RCABC Roofing Practices Manual - Recent changes [en]

Drafting - Division A, C, Preface, Main Page

James Klassen — Thu, 24 Sep 2026 22:40:37 GMT

‎General Templates and Drafts

Draft Preface

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__NOTOC__

===RCABC Guarantee Corp. (RGC) Technical Committee===
The RCABC Roofing Practices Manual and the Standards are reviewed and revised by the RCABC Guarantee Corp. (RGC) Technical Committee, which meets no less than three times per calendar year, and also reviews applications submitted to the RCABC for the acceptance of materials used in the '''''RoofStar Guarantee Program.'''''

The RGC Technical Committee is comprised of representatives from the four principal regions of British Columbia - Vancouver Island, the South Coast (Vancouver and the Lower Mainland), the Interior, and the North. The RCABC appoints six Active Members ("Contractors") and six RGC-accepted Observers, each for a term of no more than six consecutive years. RCABC Technical Department staff prepare the agenda and participate in each meeting but are non-voting members. The Committee Chair is appointed by the RGC Board of Directors. The regional representation matrix, and term limits for appointed Committee members, is governed by RCABC policy and aims for balance in technical expertise and experience.

{{Template:RGC Technical Committee}}

<hr>

===Standards Development===
Each Standard published in this ''Manual'' began with volunteer time by RCABC members and others. Standards are revised by RCABC staff with the oversight of the RGC Technical Committee and the approval of the RGC Board of Directors, but the following people helped shape the first versions of the Standards you read and use today.

====RGC Standard for Vegetated Roofs====
'''First edition''': June 13, 2024

The RGC struck a volunteer Advisory Committee in October 2023 to review and revise a first draft of the standard produced by RCABC staff. The following people (listed in no particular order) formed the Advisory Committee, some meeting regularly as a group, others providing a final review with recommendations after completion of the final draft:
:*Torsten Ball – JRS Engineering (Burnaby, BC)
:*Denis Gingras – Hydrotech Corp. (Montreal, PQ)
:*Brandon Goedecke – Flynn Canada (Surrey, BC)
:*Chris Bourgault – Duron Specialty Contracting Group Ltd. (Burnaby, BC)
:*Chris Kann – Carlisle Syntec (Carlisle, PA)
:*Christian Mahlstedt – Ginkgo Sustainability (Toronto, ON)
:*Roxanne Miller – Soprema Canada (Montreal, PQ)
:*Nastaran Moradinejad – PFS Studio (Vancouver, BC)
:*Elizabeth Hart Morris – Green-Up LLC (Portland, OR)
:*Colin Tougas – Morrison Hershfield/Stantec (Burnaby, BC)
:*Ryan Vasseur – Architek Sustainable Building Products Inc. (Vancouver, BC)
;*Julia Polevaya – ZinCo Canada (formerly head of ZinCo Ukraine)(Metro Vancouver, BC)
:*Jeremy Wright – ZinCo Canada (Toronto, ON)
:*Pearl Yip – PWL Partnership (Vancouver, BC)
;*Laurence Matzek, Director, RoofStar Guarantee Program
:*James Klassen, RoofStar Technical Advisor

====RGC Standard for Hot Fluid-applied Rubberized Asphalt Roofs====
'''First Edition''': June 16, 2022

The RGC struck a volunteer Advisory Committee in the fall of 2021 to review and revise a first draft of the standard produced by RCABC staff. The following people (listed in no particular order) formed the Advisory Committee advisory committee, comprised of RCABC member contractors, member manufacturers, and consultants/accepted Observers:
:*Kim Wozny - GRC Columbia (Abbotsford, BC)
:*Denis Gingras – Hydrotech Corp. (Montreal, PQ)
:*Bruce Duffield - Henry Company (Vancouver, BC)
:*Harold Louwerse - Stantec (formerly Morrison Hershfield Ltd. (Burnaby, BC)
:*Kevin Nicol - Bothwell-Accurate (Surrey, BC)
:*Pat Fagan - Carlisle Syntec Systems (Toronto, ON)
:*Laurence Matzek, Director, RoofStar Guarantee Program
:*James Klassen, RoofStar Technical Advisor

====RGC Standard for Asphalt Shingle Roofs====
'''First Edition''': October 18, 2019

The RGC struck a volunteer Advisory Committee in the spring of 2019 to review and revise a first revision draft of the RGC Standard for Asphalt Shingle Roofs, produced by RCABC staff. The following people (listed in no particular order) formed the Advisory Committee advisory committee, comprised of RCABC member contractors, member manufacturers, and consultants/accepted Observers:
:*Dean Carate - BC Roof Inspections (Surrey, BC)
:*Drew Newman - Malarkey Roofing Products (Vancouver, BC)
:*Eric Dennis - Roy Dennis Roofing (2005) Ltd. (Richmond, BC)
:*Jeff Estey - CertainTeeed LLC (Vancouver, BC)
:*Marty Oldford - Mack Kirk Roofing & Sheet Metal Ltd. (Port Coquitlam, BC)
:*Sean Lang - Specifex Building Science Inc. (Langley, BC)
:*Laurence Matzek, Director, RoofStar Guarantee Program
:*James Klassen, RoofStar Technical Advisor

====RGC Standard for EPDM/TPO/PVC Roofs====
'''First Edition''': October 18, 2019

The three single-ply Standards published in the RPM were all developed at the same time. Prior to their first edition date, RGC requirements for single-ply systems largely remained rudimentary. With the help of a volunteer Advisory Committee in the winter of 2018/2019 the RGC developed strong, comprehensive Standards for EPDM, TPO, and PVC roof systems. The following people (listed in no particular order) formed the Advisory Committee advisory committee, comprised of RCABC member contractors, member manufacturers, and consultants/accepted Observers:
:*John Powers - Flynn Canada (Kelowna, BC)
:*Mike MacDonald - Continental Roofing (Delta, BC)
:*Pedro Padron - Carlisle Syntec Systems (Vancouver, BC)
:*Chris Dees - Elevate Commercial Roofing Systems (formerly Firestone)(Vancouver, BC)
:*Larry Lemke - JRS Engineering (Burnaby, BC)
:*Peter Cox - McCuaig & Associates Engineering Ltd. (Burnaby, BC)
:*Greg Jones - Carlisle Syntec Systems (Toronto, ON)
:*Laurence Matzek, Director, RoofStar Guarantee Program
:*James Klassen, RoofStar Technical Advisor

(List TBA)

====RGC Standard for SBS-Polymer Modified Bituminous Roofs====
'''First Edition''': June 14, 2018

The current iteration of this Standard was reviewed and revised internally by RCABC staff, and then ratified by the RGC Technical Committee and the RGC Board of Directors:
:*Laurence Matzek, Director, RoofStar Guarantee Program
:*James Klassen, RoofStar Technical Advisor

====RGC Standard for Architectural Sheet Metal Roofs====
'''First Edition''': June 14, 2018

===Revision History===
This ''Manual'' was revised effective {{Template:RPM Standards Effective Date}} and replaces previously published content dated {{Template:RPM - Previous Edition Date}}.
<hr>

===History of the Roofing Practices Manual===
The ''RGC Roofing Practices Manual'' ("RPM", or "Manual") is the official collection of
:*published Standards necessary to design and build a ''waterproofing'' or ''water-shedding project'' intended to qualify for a '''''RoofStar Guarantee'''''.
:*listed materials formally accepted by the RCABC Guarantee Corporation (RGC), with which a ''project'' must be constructed to qualify for a '''''RoofStar Guarantee'''''.
:*information, technical standards and other resources intended to aid the ''Design Authority'' in specifying such a ''project''.
The ''RPM'' was first produced in 1988 by the RCABC Guarantee Corporation (RGC) Technical Committee, under the direction of the RGC Board of Directors. Its initial development was supported by representatives of the
::Architectural Institute of British Columbia (AIBC)
::Intergovernmental Roofing Advisory Group (IRAG)
::National Research Council (NRC)
::Roofing Inspectors and Consultants Association of British Columbia (RICABC)
Development of the ''RPM'' received its major impetus when the National Research Council, represented by its Industrial Research Assistance Program, provided financial assistance to the RCABC, so that a British Columbia Institute of Technology graduate could be hired to assist in the compilation of the very first Manual.
Various extracts of information were authorized for reference by the
::Canadian Roofing Contractors Association (CRCA)
::National Roofing Contractors Association (NRCA)
and further valuable guidance was made available to the RCABC by the
::Alberta Roofing Contractors Association (ARCA)
::Roofing Industry Educational Institute (RIEI)
The completion of the 1988 Edition of the ''RPM'' initiated the development and subsequent expansion of the RCABC Guarantee for Workmanship and Materials, now called the '''''RoofStar Guarantee Program'''''. The ''RGC Roofing Practices Manual'' is an evolving document that is supported by RCABC Members, RGC Accepted Observers, the NRC, the British Columbia design community and other construction associations. It is revised and updated no fewer than three (3) times annually. Revisions to the ''RPM'' are published online ([http://www.rcabc.org/technical/technical-updates/ '''Technical Updates''']) and have been digitally updated since November 2010. Previous Technical Updates may be available from the Technical Department of the RCABC, upon written request.

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[[Main Page | <i class="fa fa-home fa"></i> Home]]
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{{Tempate:RPM Page Footer with Copyright and Current Date}}

RCABC Roofing Practices Manual

James Klassen — Thu, 24 Sep 2026 22:25:20 GMT

Draft Main Page of RPM

James Klassen — Thu, 24 Sep 2026 22:24:48 GMT

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Drafting - Division A, C

James Klassen — Thu, 24 Sep 2026 22:23:52 GMT

James Klassen moved page Drafting - Division A, C to Drafting - Division A, C, Preface, Main Page

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__NOTOC__
__NONUMBEREDHEADINGS__

<big>This page is used for drafting new or revised wordings, before publishing</big>

<div class="col-md-3">
<hr>
===General Templates and Drafts===
:<big>[[Draft Main Page of RPM]]</big>

:<big>[[Draft Divison A]]</big>
:<big>[[Draft Divison B]]</big>
:<big>[[Draft Divison C]]</big>
:<big>[[Draft Divison D]]</big>
:<big>[[Draft Divison E]]</big>
</div>
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<hr>

===Division A (Scope, Use of Standards, and Guarantee )===
:<big>[[Table Drafts 2 | Technical Committee composition]]</big>

:<big>[[Scope of RPM and Standards]]</big>
:<big>[[Structure and Organization of RPM and Standards]]</big>
:<big>[[Guarantee]]</big>
:<big>[[Specifying a RoofStar Guarantee]]</big>
</div>
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<hr>

===Division C (Accepted Materials)===
:<big>[[RPM Templates Page]]</big>
:<big>[[Material Page Template]]</big>
:<big>[[Vegetated Roof System Page Template]]</big>
:<big>[[SBS/APP Material Page Template]]</big>
:<big>[[ASM Panel Page Template (for Active Members)]]</big>
:<big>[[Accessory Page Template]]</big>
:<big>[[Associate Member Page Template]]</big>
:<big>[[Affiliate Member Page Template]]</big>
:<big>[[Active Member Page Template (ASM)]]</big>

:<big>[[Division C - Search by System (under revision)]]</big>

:<big>[[Accepted Materials 1]]</big>
:<big>[[Accepted Materials 2]]</big>
:<big>[[Accepted Materials 3]]</big>
:<big>[[Accepted Materials 4]]</big>
:<big>[[Accepted Materials 5]]</big>
:<big>[[Accepted Materials 6]]</big>
:<big>[[Accepted Materials 7]]</big>
:<big>[[Accepted Materials 8]]</big>
:<big>[[Accepted Materials 9]]</big>
:<big>[[Accepted Materials 10]]</big>

<big>Precision Metals Ltd.</big>
:'''Waterproofing Roof Systems'''
:[[Materials:Copper 2 Piece Scupper - Clamping (Precision) | {{hilite | Copper 2 Piece Scupper - Clamping || 2027-June-11 }}]]
:[[Materials:Copper 2 Piece Scupper (Precision) | {{hilite | Copper 2 Piece Scupper || 2027-June-11 }}]]
:[[Materials:Flat Roof Dryer Vent (Precision) | {{hilite | Flat Roof Dryer Vent || 2027-June-11}}]]
:[[Materials:Flat Top BUR Vent (Precision) | {{hilite | Flat Top BUR Vent || 2027-June-11 }}]]
:[[Materials:Insulated Aluminum Stack (Precision) | {{hilite | Insulated Aluminum Stack || 2027-June-11 }}]]

:'''Water-shedding Systems'''
:[[Materials:Copper 2 Piece Scupper - Clamping (Precision) | {{hilite | Copper 2 Piece Scupper - Clamping || 2027-June-11 }}]]
:[[Materials:Copper 2 Piece Scupper (Precision) | {{hilite | Copper 2 Piece Scupper || 2027-June-11 }}]]
:[[Materials:Flat Roof Dryer Vent (Precision) | {{hilite | Flat Roof Dryer Vent || 2027-June-11}}]]
:[[Materials:Flat Top BUR Vent (Precision) | {{hilite | Flat Top BUR Vent || 2027-June-11 }}]]
:[[Materials:B-Vent Flashing (soldered) (Precision) | {{hilite | B-Vent Flashing (soldered) || 2027-June-11 }}]]
:[[Materials:Panel Vent (Precision) | {{hilite | Panel Vent || 2027-June-11 }}]]
:[[Materials:Slantback Vent (Precision) | {{hilite | Slantback Vent || 2027-June-11 }}]]
:[[Materials:Intake Panel Vent (Precision ) | {{hilite | Intake Panel Vent || 2027-June-11 }}]]

:'''Grade-level Waterproofing Roof Systems'''
:[[Materials:Copper 2 Piece Scupper - Clamping (Precision) | {{hilite | Copper 2 Piece Scupper - Clamping || 2027-June-11 }}]]
:[[Materials:Copper 2 Piece Scupper (Precision) | {{hilite | Copper 2 Piece Scupper || 2027-June-11 }}]]
:[[Materials:Flat Roof Dryer Vent (Precision) | {{hilite | Flat Roof Dryer Vent || 2027-June-11 }}]]
:[[Materials:Flat Top BUR Vent (Precision) | {{hilite | Flat Top BUR Vent || 2027-June-11 }}]]
:[[Materials:Insulated Aluminum Stack (Precision) | {{hilite | Insulated Aluminum Stack || 2027-June-11 }}]]

<big>Columbia Green Technologies LLC</big>

:[[Manufacturers:Columbia Green Technologies LLC | {{hilite | Columbia Green Technologies LLC || 2027-June-11 }}]]

:[[Materials:CGT Extensive Layered Vegetated Roof System | {{hilite | CGT Extensive Layered Vegetated Roof System || 2027-June-11 }} ]]
:[[Materials:CGT Intensive Layered Vegetated Roof System | {{hilite | CGT Intensive Layered Vegetated Roof System || 2027-June-11 }}]]
:[[Materials:CGT Rooftop Planter Intensive Layered System | {{hilite | CGT Rooftop Planter Intensive Layered System || 2027-June-11 }}]]
:[[Materials:CGT Pregrown Tray Vegetated Roof System | {{hilite | CGT Pregrown Tray Vegetated Roof System || 2027-June-11 }}]]
:[[Materials:CGT Planted-in-Place Tray Vegetated Roof System | {{hilite | CGT Planted-in-Place Tray Vegetated Roof System || 2027-June-11 }}]]
:[[Materials:CGT Water Detention Unit Vegetated Roof | {{hilite | CGT Water Detention Unit Vegetated Roof || 2027-June-11 }}]]

<big>Airfoam Industries Ltd.</big>
:[[Materials:Korolite K130 EPS (Airfoam) | {{hilite | Korolite K130 EPS || 2027-June-11 }}]]
:[[Materials:Korolite K200 EPS (Airfoam) | {{hilite | Korolite K200 EPS || 2027-June-11 }}]]
:[[Materials:Korolite K300 EPS (Airfoam) | {{hilite | Korolite K300 EPS || 2027-June-11 }}]]
:[[Materials:Korolite K400 EPS (Airfoam) | {{hilite | Korolite K400 EPS || 2027-June-11 }}]]
:[[Materials:Korolite K600 EPS (Airfoam) | {{hilite | Korolite K600 EPS || 2027-June-11 }}]]
:[[Materials:Korolite KG100 GPS (Airfoam) | {{hilite | Korolite KG100 GPS || 2027-June-11 }}]]
:[[Materials:Korolite KG160 GPS (Airfoam) | {{hilite | Korolite KG160 GPS || 2027-June-11 }}]]
:[[Materials:Korolite KG250 GPS (Airfoam) | {{hilite | Korolite KG250 GPS || 2027-June-11 }}]]
:[[Materials:Korolite KG300 GPS (Airfoam) | {{hilite | Korolite KG300 GPS || 2027-June-11 }}]]
:[[Materials:Korolite KG400 GPS (Airfoam) | {{hilite | Korolite KG400 GPS || 2027-June-11 }}]]

<big>Siplast, Inc.</big>

:[[Materials:PA750 Hot Rubberized Asphalt (Siplast) | {{hilite | PA750 Hot Rubberized Asphalt || 2027-June-11 }}]]
:[[Materials:Paraboard HD Pro (Siplast) | {{hilite | Paraboard HD Pro || 2027-June-11 }}]]
:[[Materials:Parafor 20 TG (Siplast) | {{hilite | Parafor 20 TG || 2027-June-11 }}]]
:[[Materials:ProMatrix (Siplast) | {{hilite | ProMatrix || 2027-June-11 }}]]
:[[Materials:Situra FlamLINE Expansion Joint (Siplast) | {{hilite | Situra FlamLINE Expansion Joint || 2027-June-11 }}]]
:[[Materials:Situra RedLINE Expansion Joint (Siplast) | {{hilite | Situra RedLINE Expansion Joint || 2027-June-11 }}]]

</div>

Division C

James Klassen — Thu, 24 Sep 2026 22:20:47 GMT

RCABC Roofing Practices Manual

James Klassen — Thu, 24 Sep 2026 22:18:42 GMT

Working Page 1

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RCABC Roofing Practices Manual

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Removed redirect to RCABC Roofing Practices Manual

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Working Page 1

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RCABC Roofing Practices Manual

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James Klassen restored page RCABC Roofing Practices Manual (62 revisions)

Main Page

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#REDIRECT [[RCABC Roofing Practices Manual]]

RCABC Roofing Practices Manual

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Main Page

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Main Page

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James Klassen deleted page Main Page content was: "#REDIRECT RCABC Roofing Practices Manual", and the only contributor was "James Klassen" (talk)

(Draft) SBS Roof Systems Standard

James Klassen — Wed, 23 Sep 2026 17:36:32 GMT

(Draft) Hot Rubber Roof Systems Standard

James Klassen — Wed, 23 Sep 2026 17:35:28 GMT

Show changes

(Draft) SBS Roof Systems Standard

James Klassen — Wed, 23 Sep 2026 15:36:19 GMT

‎11.1.3.2. {{strike| roof || 2026-September-22 }} Drain Function and Location

(Draft) EPDM Roof Systems Standard

James Klassen — Wed, 23 Sep 2026 15:33:54 GMT

(Draft) PVC Roof Systems Standard

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(Draft) TPO Roof Systems Standard

James Klassen — Wed, 23 Sep 2026 15:33:18 GMT

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(Draft) EPDM Roof Systems Standard

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(Draft) SBS Roof Systems Standard

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(Draft) RGC Standard for Grade-level Waterproofing Systems

James Klassen — Tue, 22 Sep 2026 21:39:29 GMT

(Draft) Hot Rubber Roof Systems Standard

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(Draft) PVC Roof Systems Standard

James Klassen — Tue, 22 Sep 2026 21:35:57 GMT

(Draft) TPO Roof Systems Standard

James Klassen — Tue, 22 Sep 2026 21:33:31 GMT

(Draft) EPDM Roof Systems Standard

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(Draft) SBS Roof Systems Standard

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Materials:EverGuard TFB TPO

James Klassen — Fri, 18 Sep 2026 20:29:30 GMT

Roofs - Insulation (Waterproofing Systems)

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Preface

James Klassen — Mon, 14 Sep 2026 21:50:52 GMT

‎Revision History

Template:RPM - Previous Edition Date

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Template:RGC Technical Committee

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Grade-level Waterproofing Standard

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‎1.3.3.5. Tie-ins, Additions, and Alterations to Existing Waterproofing

(Draft) RGC Standard for Grade-level Waterproofing Systems

James Klassen — Fri, 11 Sep 2026 21:06:53 GMT

‎1.3.3.5. Tie-ins, Additions, and Alterations to Existing Waterproofing

Grade-level Waterproofing Standard

James Klassen — Fri, 11 Sep 2026 21:06:14 GMT

‎1.3.3.5. Tie-ins, Additions, and Alterations to Existing Waterproofing

Material Classification and Application for Acceptance

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‎5.1.4.2. Name Changes

(Draft) RGC Standard for Grade-level Waterproofing Systems

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‎11.1.1.2. Defined Terms

Grade-level Waterproofing Standard

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‎11.1.1.2. Defined Terms

(Draft) RGC Standard for Grade-level Waterproofing Systems

James Klassen — Thu, 03 Sep 2026 16:07:02 GMT

‎11.1.1.2. Defined Terms

Grade-level Waterproofing Standard

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‎11.1.1.2. Defined Terms

SBS Roof Systems Standard

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‎11.1.1.2. {{strike| Definitions || 2024-October-23 }}{{hilite | Defined Terms || 2025-October-25 }}

Materials:Monolithic Membrane 6125

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Materials:Monolithic Membrane 6125

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Materials by Manufacturer

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‎Associate (Manufacturer) Members

Manufacturers:Hydrotech Membrane Corporation

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Manufacturers:Hydrotech Membrane Corporation

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+:<big>Material and System Acceptance</big>
 :<big>[https://{{SERVERNAME}}/index.php?title=Materials_by_Product_Type Search by Product/System Category <i class="fa fa-angle-double-right"></i>]</big>
 :<big>[https://{{SERVERNAME}}/index.php?title=Materials_by_Product_Name  Search by Product/System Name <i class="fa fa-angle-double-right"></i>]</big>
 :<big>[https://{{SERVERNAME}}/index.php?title=Materials_by_Manufacturer_and_Distributor Search by Roof Material Manufacturer <i class="fa fa-angle-double-right"></i>]</big>
-:<big>Vegetated ("Green") Roofing</big>
+:<big><big>Accepted Systems for Vegetated Roofs</big></big>
 :<big>[https://{{SERVERNAME}}/index.php?title=Materials_by_VRS_Manufacturer Search by Vegetated Roof System Manufacturer <i class="fa fa-angle-double-right"></i>]</big>
 :<big>[https://{{SERVERNAME}}/index.php?title=Vegetated_(%22Green%22)_Roof_Systems Search for Vegetated Roof Systems <i class="fa fa-angle-double-right"></i>]</big>
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 <big>[https://rpm.rcabc.org/index.php?title=Division_E '''Division E: General Information''']</big>

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-<big>[https://rpm.rcabc.org/index.php?title=Division_C '''Division C: {{hilite | Materials and Systems || 2027-June-9 }}''']</big>
+<big>[https://rpm.rcabc.org/index.php?title=Division_C '''Division C: Materials and Systems''']</big>
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-:{{hilite | '''Accepted Materials for Roofs and Waterproofing at Grade''' || 2027-June-9 }}
+:'''Accepted Materials for Roofs and Waterproofing at Grade'''
 :[https://{{SERVERNAME}}/index.php?title=Materials_by_Product_Category <i class="fa fa-search"></i> Search by Product/System Category]
 :[https://{{SERVERNAME}}/index.php?title=Materials_by_Product_Name <i class="fa fa-search"></i> Search by Product/System Name]
 :[https://{{SERVERNAME}}/index.php?title=Materials_by_Manufacturer <i class="fa fa-search"></i> Search by Roofing Material Manufacturer]
-:{{hilite | '''Accepted Systems for Vegetated Roofs''' || 2027-June-9 }}
+:'''Accepted Systems for Vegetated Roofs'''
 :[https://{{SERVERNAME}}/index.php?title=Materials_by_VRS_Manufacturer <i class="fa fa-search"></i> Search by Vegetated Roof System Manufacturer]
 :[https://{{SERVERNAME}}/index.php?title=Vegetated_(%22Green%22)_Roof_Systems <i class="fa fa-search"></i> Search for Vegetated Roof Systems]
@@ Line 65: / Line 65: @@
 <div class="col-sm-6">
 <big>[https://rpm.rcabc.org/index.php?title=Division_D '''Division D: Construction Details''']</big>
@@ Line 97: / Line 89: @@
 :'''Other Details'''
 :[http://rpm.rcabc.org/index.php?title=Linear_Metal_Flashing_Details <i class="fa fa-star" aria-hidden="true"></i> Linear Metal Flashings: see System Details, Part 13]
 <big>[https://rpm.rcabc.org/index.php?title=Division_E '''Division E: General Information''']</big>
@@ Line 127: / Line 124: @@
 <div class="col-md-8">
 <html><a class="btn btn-default btn-warning btn-block forcewhite" href="http://www.rcabc.org/technical/technical-updates/" target="_blank"><big><big>Technical Updates</big></big></a></html>
-<div style="text-align:center;"><big>Last RPM Update: {{Template:RPM - Current Effective Date}}</big></div>
+<div style="text-align:center;"><big>Last RPM Update: {{Template:RPM - Date of Last Update}}</big></div>
 </div>
 <div class="col-md-2">

@@ Line 7: / Line 7: @@
 <hr>
 ===General Templates and Drafts===
-:<big>[[Draft Main Page of RPM]]</big>
+:<big>[[Draft Main Page of RPM | Draft Main Page of RPM (Current)]]</big>
 :<big>[[Draft Divison A]]</big>

@@ Line 4,547: / Line 4,547: @@
 <ol>
-<li>{{strike| roof || 2026-September-22 }} ''Drains'' must be used only for draining water.
+<li>{{strike| Roof || 2026-September-22 }} ''Drains'' must be used only for draining water.
-<li>{{strike| roof || 2026-September-22 }} ''Drains'' on new construction ''projects'' must be located at least {{hilite | 457.2 mm (18") || 2024-June-15 }} {{strike| 304.8 mm (12”) || 2023-June-15 }} away from any adjacent drain, penetration, upstand, edge, or wall (the separation space is measured between openings, excluding the flange), but this requirement does not apply to ''overflow drains'', ''scupper drains'', and membrane gutters (Ref. [[#11.3.3.7. Scuppers and Overflows | Article 11.3.3.7.]] for minimum requirements applicable to ''scuppers'' and ''overflows'').
+<li>{{strike| Roof || 2026-September-22 }} ''Drains'' on new construction ''projects'' must be located at least {{hilite | 457.2 mm (18") || 2024-June-15 }} {{strike| 304.8 mm (12”) || 2023-June-15 }} away from any adjacent drain, penetration, upstand, edge, or wall (the separation space is measured between openings, excluding the flange), but this requirement does not apply to ''overflow drains'', ''scupper drains'', and membrane gutters (Ref. [[#11.3.3.7. Scuppers and Overflows | Article 11.3.3.7.]] for minimum requirements applicable to ''scuppers'' and ''overflows'').
 <li>{{hilite | Notwithstanding the requirements in Sentence (1), a cast iron {{strike| roof || 2026-September-22 }} ''drain'' with a sump receiver must be placed well away from any interference with drain securement. || 2024-June-15 }}
 <li>When {{hilite | a roof is replaced and || 2024-June-15 }} existing {{strike| roof || 2026-September-22 }} ''drains''' {{strike| and penetration locations || 2023-June-15 }} do not comply with the spacing requirements in this Part, the ''Design Authority'' must submit {{strike| a written request for a Variance, following the requirements in [[#1.1.3.6. Variances | Article 1.1.3.6., "Variances"]] || 2023-June-15 }}{{hilite | a drawn detail for a review by the '''''Guarantor'''''; the detail must incorporate the following requirements and principles, together with requirements in Subsection 11.3.3 || 2024-June-15 }}:
@@ Line 5,352: / Line 5,352: @@
 {{hilite | cap sheet membrane flashing which fully covers the base sheet flashing and extends past the termination of the base flashing by at least 50.2 mm (2")|| 2023-June-16 }} (Ref. Construction Detail [[SBS 2-Part Retrofit Flashing (Cable Penetration) | "2-Part Retrofit Flashing (Cable Penetration)"]]). || 2023-June-15 }}
 </ol></li>
-<li>{{hilite | When penetration flashings are closer than 457.2 mm (18") to a {{strike| roof || 2026-September-22 }} ''drain'', the drain must be flashed with a target patch first so that the membrane target patch around the penetration flashing promotes positive drainage; once sealed in with target patches, the field cap sheet membrane may be installed. || 2024-June-15 }}
+<li>{{hilite | When penetration flashings are closer than 457.2 mm (18") to a {{strike| roof || 2026-September-22 }} ''drain'', the ''drain'' must be flashed with a target patch first so that the membrane target patch around the penetration flashing promotes positive drainage; once sealed in with target patches, the field cap sheet membrane may be installed. || 2024-June-15 }}
 <li>When the separation between penetration flashings is less than 304.8 mm (12") but greater than 203.2 mm (8") (Ref. [[#12.1.3.3. Separation Between Details | Article 12.1.3.3.]]), the penetrations must be
 <ol>
@@ Line 5,474: / Line 5,474: @@
 <ol>
 <li>other penetrations, {{strike| drains, || 2023-June-15 }} curbs, walls, or changes in plane so that the space between flashings for these details is at least 304.8 mm (12") (this is measured between openings or the edge of a detail and excludes the flashing flange){{strike| ; {{hilite | the exception to this requirement is customized penetration flashings designed for multiple individual or clustered penetrations. || 2023-June-16 }} || 2023-June-15 }}, and
-<li>{{hilite | '{{strike| roof || 2026-September-22 }} ''drains'' at least 457.20 (18") (Also see || 2024-June-15 }} [[#11.1.3.2. {{strike| Roof || 2026-September-22 }} Drain Function and Location | Article 11.1.3.2.]]{{hilite |) || 2024-June-15 }}.
+<li>{{hilite | {{strike| roof || 2026-September-22 }} ''drains'' at least 457.20 (18") (Also see || 2024-June-15 }} [[#11.1.3.2. {{strike| Roof || 2026-September-22 }} Drain Function and Location | Article 11.1.3.2.]]{{hilite |) || 2024-June-15 }}.
 </li></ol>
 {{strike| {{hilite | Penetrations that are closer together than the allowable minimum distance must be supported by a written Variance issued by the '''''Guarantor'''''. || 2023-June-16 }} || 2023-June-15 }}

@@ Line 4,532: / Line 4,532: @@
 <ol>
-<li>{{hilite | Only a RoofStar-accepted|| 2021-February-7 }} reinforced {{hilite | <u>two-component</u> catalyzed polymethyl methacrylate (PMMA)|| 2021-February-7 }} {{hilite | or polyurethane methyl methacrylate (PUMA) liquid membrane flashing system || 2023-June-16 }} may be used on the water plane to flash {{strike| roof || 2026-September-22 }} ''drains'', scuppers, and overflows.
+<li>{{hilite | Only a RoofStar-accepted|| 2021-February-7 }} reinforced {{hilite | <u>two-component</u> catalyzed polymethyl methacrylate (PMMA)|| 2021-February-7 }} {{hilite | or polyurethane methyl methacrylate (PUMA) liquid membrane flashing system || 2023-June-16 }} may be used on the water plane to flash {{strike| roof || 2026-September-22 }} ''drains'', ''scuppers'', and ''overflows''.
 </ol></li>
@@ Line 4,631: / Line 4,631: @@
 </li></ol>
-====11.3.3.2. General Requirements for Cast Iron{{strike| Roof || 2026-September-22 }} Drains====
+====11.3.3.2. General Requirements for Cast Iron {{strike| Roof || 2026-September-22 }} Drains====
 <ol>

@@ Line 517: / Line 517: @@
 <ol>
 <li>strip-in flashings for penetrations (Ref. [[#Part 12 - Penetrations and Curbs |Part 12]]),
-<li>''drains'' (cast-iron drains in usable condition are exempted from this requirement; see [[#11.3.3.2. General Requirements for Cast-iron Roof Drains | Article 11.3.3.2.]]), and
+<li>''drains'' (cast iron drains in usable condition are exempted from this requirement; see [[#11.3.3.2. General Requirements for Cast Iron Roof Drains | Article 11.3.3.2.]]), and
 <li>''linear metal flashings'' (Ref. [[#Part 13 - Linear Metal Flashing |Part 13]]).
 </li></ol>
@@ Line 2,461: / Line 2,461: @@
 <ol>
-<li>All cast iron ''drains'' installed with lead flashing shall conform to the means and methods described and required in [https://rpm.rcabc.org/index.php?title=SBS_Roof_Systems_Standard#11.3.3.3._Cast-iron_Drains_Installed_with_Lead_Flashing Article 11.3.3.3.] in the "RGC Standard for SBS-modified Bituminous Membrane Roofs" (lead flashing is not used with cast-iron drains installed in hot fluid-applied rubberized asphalt membranes).
+<li>All cast iron ''drains'' installed with lead flashing shall conform to the means and methods described and required in [https://rpm.rcabc.org/index.php?title=SBS_Roof_Systems_Standard#11.3.3.3._Cast_Iron_Drains_Installed_with_Lead_Flashing Article 11.3.3.3.] in the "RGC Standard for SBS-modified Bituminous Membrane Roofs" (lead flashing is not used with cast iron drains installed in hot fluid-applied rubberized asphalt membranes).
 </li></ol>
@@ Line 2,467: / Line 2,467: @@
 <ol>
-<li>All cast-iron drains installed with membrane flashing shall conform to the means and methods described and required in the applicable RGC Standard for roofs:
+<li>All cast iron drains installed with membrane flashing shall conform to the means and methods described and required in the applicable RGC Standard for roofs:
 <ol>
-<li>[https://rpm.rcabc.org/index.php?title=SBS_Roof_Systems_Standard#11.3.3.4._Cast-iron_Drains_Installed_with_Membrane_Flashing Article 11.3.3.4.] in the "RGC Standard for SBS-modified Bituminous Membrane Roofs".
+<li>[https://rpm.rcabc.org/index.php?title=SBS_Roof_Systems_Standard#11.3.3.4._Cast_Iron_Drains_Installed_with_Membrane_Flashing Article 11.3.3.4.] in the "RGC Standard for SBS-modified Bituminous Membrane Roofs".
-<li>[https://rpm.rcabc.org/index.php?title=Hot_Rubber_Roof_Systems_Standard#11.3.3.4._Cast-iron_Drains_Installed_with_Membrane_Flashing Article 11.3.3.4.] in the "RGC Standard for Hot Fluid-applied Rubberized Asphalt Roofs".
+<li>[https://rpm.rcabc.org/index.php?title=Hot_Rubber_Roof_Systems_Standard#11.3.3.4._Cast_Iron_Drains_Installed_with_Membrane_Flashing Article 11.3.3.4.] in the "RGC Standard for Hot Fluid-applied Rubberized Asphalt Roofs".
 </li></ol>
 <li>When the waterproofing membrane is SBS,
@@ Line 2,479: / Line 2,479: @@
 </li></ol>
-====11.3.3.5. Cast-iron Roof Drain Retrofitting (Replacement Roofing)====
+====11.3.3.5. Cast Iron Roof Drain Retrofitting (Replacement Roofing)====
 <ol>

@@ Line 2,956: / Line 2,956: @@
 <li><span class="principles">If a flow {{hilite | control || 2025-October-25 }} {{strike| restrictor || 2024-October-29 }} is present in an existing cast drain leader, the {{hilite | flow control || 2025-October-25 }} {{strike| restrictor || 2024-October-29 }} should be reinstalled</span>.
 <li>Roofs that support ''overburden'', and roofs that are secured with ballast, must be designed to incorporate a ballast guard that surrounds the drain and promotes proper drainage.
-<li>{{hilite | Roofs designed to support a ''vegetated roof system'' covered by a '''''RoofStar Vegetated Roof Guarantee''''' must design the drainage system, including ''roof drain'' protection measures, in coordination with the “RGC Standard for Vegetated Roofs” (Note that if an existing roof incorporates flow control drains , reinstating them as part of a roof replacement ''project'' may adversely affect the viability a ''vegetated roof system'', thereby necessitating a wider redesign of roof drainage.)(See|| 2025-October-25 }} [https://rpm.rcabc.org/index.php?title=VRA_Standard#1.1.3.2._Permitted_Vegetated_Roof_Systems {{hilite | Sentence  1.1.3.2.(9)|| 2025-October-25 }}], {{hilite | “RGC Standard for Vegetated Roofs”; also see|| 2025-October-25 }} [[#11.3.3.2. General Requirements for Cast-iron Roof Drains | {{hilite | Article 11.3.3.2.]])|| 2025-October-25 }}.
+<li>{{hilite | Roofs designed to support a ''vegetated roof system'' covered by a '''''RoofStar Vegetated Roof Guarantee''''' must design the drainage system, including ''roof drain'' protection measures, in coordination with the “RGC Standard for Vegetated Roofs” (Note that if an existing roof incorporates flow control drains , reinstating them as part of a roof replacement ''project'' may adversely affect the viability a ''vegetated roof system'', thereby necessitating a wider redesign of roof drainage.)(See|| 2025-October-25 }} [https://rpm.rcabc.org/index.php?title=VRA_Standard#1.1.3.2._Permitted_Vegetated_Roof_Systems {{hilite | Sentence  1.1.3.2.(9)|| 2025-October-25 }}], {{hilite | “RGC Standard for Vegetated Roofs”; also see|| 2025-October-25 }} [[#11.3.3.2. General Requirements for Cast Iron Roof Drains | {{hilite | Article 11.3.3.2.]])|| 2025-October-25 }}.
 </li></ol>
@@ Line 2,975: / Line 2,975: @@
 (The requirements for [[#11.1.3. All Systems | Subsection 11.1.3., "All Systems"]], shall be read together with the following Articles)
-====11.1.4.1. Cast-iron Roof Drains====
+====11.1.4.1. Cast Iron Roof Drains====
 <ol>
-<li>Only cast-iron roof drains, and existing external couplers used to connect drains to leaders, may be re-used for roof replacement ''projects''.
+<li>Only cast iron roof drains, and existing external couplers used to connect drains to leaders, may be re-used for roof replacement ''projects''.
-<li><span class="principles">Drain extensions for cast-iron roof drains should be avoided, since the connection with the cast drain is not sealed; the result is a leak into the ''roof system''</span>.
+<li><span class="principles">Drain extensions for cast iron roof drains should be avoided, since the connection with the cast drain is not sealed; the result is a leak into the ''roof system''</span>.
 </li></ol>
@@ Line 3,057: / Line 3,057: @@
 <ol>
-<li>Except for cast-iron roof drains, which are usually supplied and installed by others, only new drains and penetration flashings listed in [[Division_C | Division C]] may be used.
+<li>Except for cast iron roof drains, which are usually supplied and installed by others, only new drains and penetration flashings listed in [[Division_C | Division C]] may be used.
 <li>{{hilite | All roof drains and overflows must conform to CSA ASME A112.6.4-2022/CSA B79.4-2022, "Roof, deck, and balcony drains", unless otherwise permitted by the '''''Guarantor'''''|| 2026-July-1 }}.
 <li>Reuse of any penetration flashing or drain (except serviceable cast iron drains) is prohibited and may void the ''Guarantee'' (See Division A, [[Guarantee#3.2.1.2._Limitations_and_Exclusions_of_Guarantee | Article 3.2.1.2.]]).
@@ Line 3,073: / Line 3,073: @@
 <li>shall be made so that the roof membrane can be sealed to the drain body or bowl (the membrane seal must not rely solely on a clamping ring).
 </li></ol>
-<li>Cast-iron ''primary roof drains''
+<li>Cast iron ''primary roof drains''
 <ol>
 <li>must be supplied with a sump receiver and under-deck clamp,
@@ Line 3,079: / Line 3,079: @@
 <li>{{hilite | must be installed by the trade supplying the roof drain. || 2023-June-16 }}
 </li></ol>
-<li>{{hilite | Cast-iron planter drains must be supplied with a perforated riser that is proprietary to the drain manufacturer (See the “RGC Standard for Vegetated Roofs”,|| 2025-October-25 }} [https://rpm.rcabc.org/index.php?title=VRA_Standard#6.1.3.2._Planter_Drainage{{hilite | Article 6.1.3.2|| 2025-October-25 }}]).
+<li>{{hilite | Cast iron planter drains must be supplied with a perforated riser that is proprietary to the drain manufacturer (See the “RGC Standard for Vegetated Roofs”,|| 2025-October-25 }} [https://rpm.rcabc.org/index.php?title=VRA_Standard#6.1.3.2._Planter_Drainage{{hilite | Article 6.1.3.2|| 2025-October-25 }}]).
-<li>{{hilite | Cast-iron ''scupper drains'' must be || 2023-June-16 }}
+<li>{{hilite | Cast iron ''scupper drains'' must be || 2023-June-16 }}
 <ol>
 <li>{{hilite | supplied with a clamping strainer, || 2023-June-16 }} and
@@ Line 3,230: / Line 3,230: @@
 ====11.3.3.1. Reserved====
-====11.3.3.2. General Requirements for Cast-iron Roof Drains====
+====11.3.3.2. General Requirements for Cast Iron Roof Drains====
 <ol>
-<li>Cast-iron roof drains must be installed by the plumbing/mechanical trade.
+<li>Cast iron roof drains must be installed by the plumbing/mechanical trade.
-<li>When cast-iron roof drains are used, a sump receiver and under-deck clamp must be provided and installed by the trade supplying the roof drain.
+<li>When cast iron roof drains are used, a sump receiver and under-deck clamp must be provided and installed by the trade supplying the roof drain.
-<li><span class="principles">Drain extensions for cast-iron roof drains should be avoided</span>.
+<li><span class="principles">Drain extensions for cast iron roof drains should be avoided</span>.
 <li><span class="principles">Existing flow {{hilite | control {{strike| restrictors || 2024-October-29 }} || 2025-October-25 }} removed during roof construction should be reinstalled</span>; {{hilite | however, if the replacement roof will support a ''vegetated roof system'', the drainage design must conform to the requirements set out by the '' Design Authority'' || 2025-October-25 }}.
-<li>All cast-iron roof drains must be
+<li>All cast iron roof drains must be
 <ol>
 <li>new or clean,
@@ Line 3,248: / Line 3,248: @@
 ====11.3.3.3. Reserved====
-====11.3.3.4. Cast-iron Drains Installed with Membrane Flashing====
+====11.3.3.4. Cast Iron Drains Installed with Membrane Flashing====
 <ol>
@@ Line 3,261: / Line 3,261: @@
 </li></ol>
-====11.3.3.5. Cast-iron Roof Drain Retrofitting (Replacement Roofing)====
+====11.3.3.5. Cast Iron Roof Drain Retrofitting (Replacement Roofing)====
 <ol>
-<li><span class="recommended">Retrofitting a cast-iron roof drain is not recommended</span>, but when retrofitting is unavoidable (i.e., the drain has deteriorated to the extent that it cannot receive a new roof membrane, and removal is not possible),
+<li><span class="recommended">Retrofitting a cast iron roof drain is not recommended</span>, but when retrofitting is unavoidable (i.e., the drain has deteriorated to the extent that it cannot receive a new roof membrane, and removal is not possible),
 <ol>
 <li>remove any broken parts and debris,
 <li>connect the retrofit insert to internal leaders using only an external coupling (unless impractical - see alternative requirements below), and
-<li>follow the requirements set out in [[#11.3.3.2. General Requirements for Cast-iron Roof Drains | Article 11.3.3.2.]]
+<li>follow the requirements set out in [[#11.3.3.2. General Requirements for Cast Iron Roof Drains | Article 11.3.3.2.]]
 </li></ol>
 <li>When an internal compression seal is used out of necessity to connect a retrofit drain to an existing drain leader,

@@ Line 36: / Line 36: @@
 </div>
 <div class="col-md-2">
-:[[File:Pdf.png|150 px|link=http://rpm.rcabc.org/images/6/64/GAF_EverGuard_Fleece-back_TPO_80_mil_Membrane_TDS.pdf|'''Technical Data Sheet (90 mil)''']]
+:[[File:Pdf.png|150 px|link=http://rpm.rcabc.org/images/6/64/GAF_EverGuard_Fleece-back_TPO_80_mil_Membrane_TDS.pdf|'''Technical Data Sheet (80 mil)''']]
 <div style="text-align: center;">
-:2.03 mm (90 mil) Membrane TDS
+:2.03 mm (80 mil) Membrane TDS
 </div>
 </div>

@@ Line 23: / Line 23: @@
 :<big><big>[http://{{SERVERNAME}}/index.php?title=Insulating_the_Roof#3.7Polyisocyanurate Polyisocyanurate Foam]</big></big>
-{{Template:Materials - Insulation (Polyisocyanurate)}}
+{{Template:Table - Insulation (Polyisocyanurate)}}
 <div id=10Mineral>
 :<big><big>[http://{{SERVERNAME}}/index.php?title=Insulating_the_Roof#4.0Mineral Mineral Fibre Roof Insulation]</big></big>
-{{Template:Materials - Insulation (Mineral Fibre)}}
+{{Template:Table - Insulation (Mineral Fibre)}}
 <div id=9Perlitic>
 :<big><big>[http://{{SERVERNAME}}/index.php?title=Insulating_the_Roof#3.9Perlitic Perlitic Insulation]</big></big>
-{{Template:Materials - Insulation (Perlitic)}}
+{{Template:Table - Insulation (Perlitic)}}
 <div id=11Concrete>
 :<big><big>[http://{{SERVERNAME}}/index.php?title=Insulating_the_Roof#4.1Concrete Lightweight Insulating Concrete]</big></big>
-{{Template:Materials - Insulation (Lightweight Concrete)}}
+{{Template:Table - Insulation (Lightweight Concrete)}}
 ===Heat-sensitive Insulation===
@@ Line 46: / Line 46: @@
 :<big><big>[http://{{SERVERNAME}}/index.php?title=Insulating_the_Roof#3.4XPS XPS (Extruded Polystyrene Foam)]</big></big>
-{{Template:Materials - Insulation (XPS)}}
+{{Template:Table - Insulation (XPS)}}
 <div id=5EPS>
 :<big><big>[http://{{SERVERNAME}}/index.php?title=Insulating_the_Roof#3.5Expanded EPS (Expanded Polystyrene Foam)]</big></big>
-{{Template:Materials - Insulation (EPS)}}
+{{Template:Table - Insulation (EPS)}}
 ===BUR and Hot-mopped Applications only===
@@ Line 58: / Line 58: @@
 :<big><big>[http://{{SERVERNAME}}/index.php?title=Insulating_the_Roof#3.8Fibreboard Fibreboard Roof Insulation]</big></big>
-{{Template:Materials - Insulation (Fibreboard)}}
+{{Template:Table - Insulation (Fibreboard)}}
 <hr>

@@ Line 87: / Line 87: @@
 ===Revision History===
-This ''Manual'' was revised effective {{Template:RPM - Current Effective Date}} and replaces previously published content dated {{Template:RPM - Previous Edition Date}}.
+This ''Manual'' was revised effective {{Template:RPM Standards Effective Date}} and replaces previously published content dated {{Template:RPM - Previous Edition Date}}.
 <hr>

← Older revision		Revision as of 21:50, 14 September 2026
Line 1:		Line 1:
−	'''February 1, ~~2025~~'''	+	'''February 1, 2026'''

@@ Line 1: / Line 1: @@
 {|	class="noborder" table style="background-color:#E7E9E9;"
-|+	<big>'''RGC Technical Committee members'''</big> (as of {{Template:RPM - Current Effective Date}})
+|+	<big>'''RGC Technical Committee members'''</big> (as of {{Template:RPM Standards Effective Date}})
 |-
 |	style="vertical-align:top; width:250px;" 	|	'''M. Aase'''	||	style="vertical-align:top;width:450px;"	|	'''AASE Roof Inspection Ltd.'''<br>Prince George, BC	||	style="vertical-align:top;width:200px;"	|	Northern Region	||	style="vertical-align:top;width:350px;"	|	''RGC Accepted Observer''	||	style="vertical-align:top;width:200px;"	|	Voting Member
 |-
-|	style="vertical-align:top; width:250px;" 	|	'''B. Bennett'''	||	style="vertical-align:top;width:450px;"	|	'''Mack Kirk Roofing & Sheet Metal Ltd.'''<br>Port Coquitlam, BC	||	style="vertical-align:top;width:200px;"	|	Lower Mainland	||	style="vertical-align:top;width:350px;"	|	''RCABC Active Member (Contractor)''	||	style="vertical-align:top;width:200px;"	|	Voting Member
+|	style="vertical-align:top; width:250px;" 	|	'''B. Bennett'''	||	style="vertical-align:top;width:450px;"	|	'''Mack Kirk Industries Ltd.'''<br>Port Coquitlam, BC	||	style="vertical-align:top;width:200px;"	|	Lower Mainland	||	style="vertical-align:top;width:350px;"	|	''RCABC Active Member (Contractor)''	||	style="vertical-align:top;width:200px;"	|	Voting Member
 |-
 |	style="vertical-align:top; width:250px;" 	|	'''G. Bollman'''	||	style="vertical-align:top;width:450px;"	|	'''GRC Columbia Roofing Inc.'''<br>Aldergrove, BC	||	style="vertical-align:top;width:200px;"	|	Lower Mainland	||	style="vertical-align:top;width:350px;"	|	''RCABC Active Member (Contractor)''	||	style="vertical-align:top;width:200px;"	|	Chair | Voting Member
@@ Line 20: / Line 20: @@
 |	style="vertical-align:top; width:250px;" 	|	'''J. Klassen'''	||	style="vertical-align:top;width:450px;"	|	'''Roofing Contractors Association of British Columbia'''<br>Langley, BC	||	style="vertical-align:top;width:200px;"	|	RCABC	||	style="vertical-align:top;width:350px;"	|	''RoofStar Technical Advisor''	||	style="vertical-align:top;width:200px;"	|	Non-voting Member
 |-
-|	style="vertical-align:top; width:250px;" 	|	'''H. Louwerse'''	||	style="vertical-align:top;width:450px;"	|	'''Stantec (formerly Morrison Hershfield Ltd.)'''<br>Burnaby, BC	||	style="vertical-align:top;width:200px;"	|	Lower Mainland	||	style="vertical-align:top;width:350px;"	|	''RGC Accepted Observer''	||	style="vertical-align:top;width:200px;"	|	Voting Member
+|	style="vertical-align:top; width:250px;" 	|	'''H. Louwerse'''	||	style="vertical-align:top;width:450px;"	|	'''Stantec Consulting'''<br>Burnaby, BC	||	style="vertical-align:top;width:200px;"	|	Lower Mainland	||	style="vertical-align:top;width:350px;"	|	''RGC Accepted Observer''	||	style="vertical-align:top;width:200px;"	|	Voting Member
 |-
 |	style="vertical-align:top; width:250px;" 	|	'''L. Matzek'''	||	style="vertical-align:top;width:450px;"	|	'''Roofing Contractors Association of British Columbia'''<br>Langley, BC	||	style="vertical-align:top;width:200px;"	|	RCABC	||	style="vertical-align:top;width:350px;"	|	''Director, RoofStar Guarantee Program''	||	style="vertical-align:top;width:200px;"	|	Non-voting Member

@@ Line 532: / Line 532: @@
 <li>the adjoining membranes must be compatible with each other and of the same membrane system type (e.g., Polymer-modified Bituminous Membranes),
 <li>an authorized technical representative for the ''manufacturer'' of the new membrane must provide signed and dated written consent for this detail,
-<li>the two areas must be isolated and separated from each other by a water cut-off as required below and illustrated in '''Figure 1.1.4.5.-A''':
+<li>the two areas must be isolated and separated from each other by a water cut-off as required below and illustrated in '''Figure 1.3.3.5.-A''':
 <ol>
 <li>a saw cut 12.7 mm (1/2”) wide and deep must be made in the new deck, at least 304.8 mm (12”) away from the adjacent ''waterproofing assembly'',

@@ Line 545: / Line 545: @@
 |-
 |-
-| colspan="1"; style="text-align:center;width:600px;" | {{hilite | '''Figure 1.1.4.5.-A'''<br>'''Water Cut-off for Waterproofing Membrane Tie-in'''<br>Forming part of Sentence 1.1.4.5.(2)|| 2027-June-11 }}<br><small>(Click to expand illustration)</small>
+| colspan="1"; style="text-align:center;width:600px;" | {{hilite | '''Figure 1.3.3.5.-A'''<br>'''Water Cut-off for Waterproofing Membrane Tie-in'''<br>Forming part of Sentence 1.3.3.5.(2)|| 2027-June-11 }}<br><small>(Click to expand illustration)</small>
 |-
 | [[File:Illustration Unavailable (Filler Image).png |class=img-responsive | link= | 500 px]]

@@ Line 399: / Line 399: @@
 <ol>
 <li>When a ''manufacturer'' notifies the '''''Guarantor''''' that an accepted material has been renamed, or when the '''''Guarantor''''' discovers that an accepted material has been renamed, the ''manufacturer'' must immediately support that claim with a new technical data sheet verifying that only the name has changed.
-<li>A name change that is not supported by the ''manufacturer’s'' published technical literature will be deleted from result in the deletion of the product from the '''''RoofStar Guarantee Program''''' and [[Division C]] of the RPM.
+<li>A name change that is not supported by the ''manufacturer’s'' published technical literature will result in the deletion of the product from the '''''RoofStar Guarantee Program''''' and [[Division C]] of the RPM.
 </li></ol>

@@ Line 2,148: / Line 2,148: @@
 <li>Words that appear in italics are defined in the [[Glossary | Glossary]].  Additionally, the following terms are used in this Part:
 <ol>
-<li>''Bi-Level Drain'' means a drain with two inlets, each at a different elevation; these drains are typically used on roofs supporting ''overburden'' and are not to be used as an ''overflow''.
+<li>''Bi-Level Drain'' means a ''drain'' with two inlets, each at a different elevation; these ''drains'' are typically used on roofs supporting ''overburden'' and are not to be used as an ''overflow''.
 <li>''Drain leader'', as used in this Standard, means "a pipe that is installed to carry ''storm water'' from a ''waterproofing assembly'' to a ''storm building drain'' or ''sewer'' or other place of disposal” ("British Columbia Plumbing Code", Division A, [https://free.bcpublications.ca/civix/document/id/public/bcpc2018/bcpc_2018dap1s14 Article 1.4.1.2., "Defined Terms"]).
 <li>''Flanged insert drain'' means a ''primary drain''
 <ol>
-<li>with a flat, broad flange that encircles, and is manufactured from the same material as, the drain opening or bowl,
+<li>with a flat, broad flange that encircles, and is manufactured from the same material as, the ''drain'' opening or bowl,
 <li>that is spun or hot-welded (not cast),
 <li>that typically is secured to the ''waterproofing assembly'' with screw-type mechanical fasteners, and
@@ Line 2,163: / Line 2,163: @@
 </li></ol>
 <li>''Primary drain'' means the primary means the primary collector of storm water for discharge, typically into a ''drain leader''.
-<li>''Drain'' means a fitting or device that is installed in a ''waterproofing assembly'' or roof to permit storm water to discharge into a ''drain leader''. (adapted from the "British Columbia Plumbing Code", Division A, [https://free.bcpublications.ca/civix/document/id/public/bcpc2018/bcpc_2018dap1s14 Article 1.4.1.2., "Defined Terms"]).
+<li>''Drain'' means a fitting or device that is installed in a ''waterproofing assembly'' to discharge storm water off the assembly, usually into a ''drain leader''. (adapted from the "British Columbia Plumbing Code", Division A, [https://free.bcpublications.ca/civix/document/id/public/bcpc2018/bcpc_2018dap1s14 Article 1.4.1.2., "Defined Terms"]).
-<li>''Scupper drain'' ("scupper"), which is primarily used on roofs, means an open or closed drain that conveys water laterally from one area of a ''project'' to another, or from the ''project'' directly to the exterior of the building.
+<li>''Scupper drain'' ("scupper"), which is primarily used on roofs, means an open or closed ''drain'' that conveys water laterally from one area of a ''project'' to another, or from the ''project'' directly to the exterior of the building.
-<li>''Secondary drain'' means a drain connected to a separate drainage system, typically situated at a higher elevation than a ''primary drain''.  An ''overflow drain'' is a type of ''secondary drain''.
+<li>''Secondary drain'' means a ''drain'' connected to a separate drainage system, typically situated at a higher elevation than a ''primary drain''.  An ''overflow drain'' is a type of ''secondary drain''.
 </li></ol>
 </li></ol>

@@ Line 2,160: / Line 2,160: @@
 <ol>
 <li>that serves as a safeguard when ''primary drains'' fail, and
-<li>which may be located in the ''waterproofing system'' field (for example, as a secondary drain) or at the perimeter of the ''waterproofing assembly''.
+<li>which may be located in the ''waterproofing system'' field (for example, as a ''secondary drain'') or at the perimeter of the ''waterproofing assembly''.
 </li></ol>
 <li>''Primary drain'' means the primary means the primary collector of storm water for discharge, typically into a ''drain leader''.

@@ Line 4,469: / Line 4,469: @@
 <ol>
 <li>that serves as a safeguard when roof drains fail, and
-<li>{{hilite |which may be located in the roof field (for example, as a secondary drain) or at the perimeter of the roof.|| 2020-July-3 }}
+<li>{{hilite |which may be located in the roof field (for example, as a ''secondary drain'') or at the perimeter of the roof.|| 2020-July-3 }}
 </li></ol>
 <li>''Primary roof drain'' means the primary means of draining water from the roof.

@@ Line 107: / Line 107: @@
 | style="width:500px" | <big>[https://rpm.rcabc.org/index.php?title=Manufacturers:Henry_Company_Canada Henry Company Canada]</big>
 | style="width:500px" | <big>[https://rpm.rcabc.org/index.php?title=Manufacturers:Hunter_Panels {{hilite | Hunter Panels|| 2022-June-17 }}]</big>
-| style="width:500px" | <big>[https://rpm.rcabc.org/index.php?title=Manufacturers:Hydrotech_Membrane_Corporation {{hilite | Hydrotech Membrane Corporation|| 2025-October-25 }}]</big>
+| style="width:500px" | <big>[https://rpm.rcabc.org/index.php?title=Manufacturers:IKO_Industries_Ltd. {{hilite | IKO Industries Ltd. || 2026-July-1 }}]</big>
 |-
 | style="width:500px" | <big>[https://rpm.rcabc.org/index.php?title=Manufacturers:Innoflex_Synthetics_Ltd. {{hilite | Innoflex Synthetics Ltd. || 2027-February-1}}]
 | style="width:500px" | <big>[https://rpm.rcabc.org/index.php?title=Manufacturers:InterWrap_Inc. InterWrap Inc. <small><small>(see Owens Corning Canada LP)</small></small>]</big>
 | style="width:500px" | <big>[https://rpm.rcabc.org/index.php?title=Manufacturers:KPNE_Products_Ltd. {{hilite | KPNE Products Ltd. || 2025-June-13 }}]</big>
 |-
-| style="width:500px" | <big>[https://rpm.rcabc.org/index.php?title=Manufacturers:Johns_Manville_Corporation Johns Manville Corporation]</big>
 | style="width:500px" | <big>[https://rpm.rcabc.org/index.php?title=Manufacturers:Malarkey_Roofing_Products {{hilite | Malarkey Roofing Products|| 2022-June-17 }}]</big>
 | style="width:500px" | <big>[https://rpm.rcabc.org/index.php?title=Manufacturers:Menzies_Metal_Products {{hilite | Menzies Metal Products || 2021-February-7 }}]</big>
 | style="width:500px" | <big>[https://rpm.rcabc.org/index.php?title=Manufacturers:MSL MSL (Matériaux Spécialisés Louiseville)]</big>
 |-
 | style="width:500px" | <big>[https://rpm.rcabc.org/index.php?title=Manufacturers:Pabco_Roofing_Products {{hilite | {{hilite | PABCO Roofing Products || 2021-October-30 }} || 2026-October-31 }}]</big>
 | style="width:500px" | <big>[https://rpm.rcabc.org/index.php?title=Manufacturers:Plasti-Fab Plasti-Fab]</big>
 | style="width:500px" | <big>[https://rpm.rcabc.org/index.php?title=Manufacturers:Platinum_Roofing_Products_Ltd. {{hilite | Platinum Roofing Products Ltd. || 2026-July-1 }}]</big>
 |-
 | style="width:500px" | <big>[https://rpm.rcabc.org/index.php?title=Manufacturers:Posi-Slope_Western Posi-Slope Western]</big>
 | style="width:500px" | <big>[https://rpm.rcabc.org/index.php?title=Manufacturers:Precision_Metals_Ltd. {{hilite | Precision Metals Ltd. || 2027-June-11 }}]</big>
 | style="width:500px" | <big>[https://rpm.rcabc.org/index.php?title=Manufacturers:Protecto_Wrap_Company Protecto Wrap Company]</big>
 |-
 | style="width:500px" | <big>[https://rpm.rcabc.org/index.php?title=Manufacturers:ROCKWOOL ROCKWOOL]</big>
 | style="width:500px" | <big>[https://rpm.rcabc.org/index.php?title=Manufacturers:Sentry_Building_Innovations {{hilite | Sentry Building Innovations || 2024-October-20}}]</big>
 | style="width:500px" | <big>[https://rpm.rcabc.org/index.php?title=Manufacturers:Sika_Sarnafil {{hilite | Sika Sarnafil || 2021-February-7 }}]</big>
 |-
 | style="width:500px" | <big>[https://rpm.rcabc.org/index.php?title=Manufacturers:Soprema_Inc. {{hilite | Soprema Inc.|| 2025-October-25 }}]</big>
 | style="width:500px" | <big>[https://rpm.rcabc.org/index.php?title=Manufacturers:Tremco_Canada_Div. {{hilite | Tremco Canada Div. || 2022-June-17 }}]</big>
 | style="width:500px" | <big>[https://rpm.rcabc.org/index.php?title=Manufacturers:USG_(CGC)_SecureRock USG {{hilite | (CGC) SecureRock || 2024-October-30 }}]</big>
 |-
 | style="width:500px" | <big>[https://rpm.rcabc.org/index.php?title=Manufacturers:Ventilation_Maximum_Ltd. {{hilite | Ventilation Maximum Ltd. || 2025-January-31 }}]</big>
 | style="width:500px" | <big>[https://rpm.rcabc.org/index.php?title=Manufacturers:Westform_Metals Westform Metals]</big>
+|
 |-