Manufacturers:Polyglass USA, Inc.

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Manufacturers:Polyglass USA, Inc.

Division C - Accepted Materials

Polyglass USA, Inc.
Associate Member (Manufacturer)

Materials Listed by Category

The information published in the RCABC Roofing Practices Manual and offered below does NOT represent a complete set of the manufacturer’s data or specifications, nor is this material recommended or endorsed by the Guarantor. The preparation of a detailed specification is the responsibility of the Design Authority.

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Country of Origin
Country of Manufacture
Year First Installed
Notice and Disclaimer: Technical Data Sheets for SBS and APP Polymer-modified bituminous membranes

Bituminous roofing membranes are governed by RGC Acceptance Criteria RGC ACWP-MOD (applicable to membranes accepted after July 1, 2023). The CSA Standard for these membranes, CSA A123.23 "Product specification for polymer modified bitumen sheet, prefabricated and reinforced", forms the backbone of the RGC Acceptance Criteria and has replaced the older CGSB Standard CGSB 37-GP-56M, which was withdrawn in 2015.

The "British Columbia Building Code" (2024) references the CSA A123.23 Standard in both Part 5 and Part 9 of Division B. The Standard is also published in the National Building Code of Canada (2020), and the City of Vancouver Building Bylaw (2024).

Not all manufacturers of SBS and APP polymer-modified membranes publish technical data sheets that fully align with the CSA Standard. Therefore, the reader must verify this information independently of the RGC, to the reader's own satisfaction. Consult the local manufacturer's representative through the "Find a Member" page on the RCABC association website.

Waterproofing Roofs


Polyisocyanurate Foam
Polytherm G awaiting TDS

Insulation Overlay Panels

Asphaltic Overlays
Polyboard E (4.5 and 6 mm) awaiting TDS
Polyboard W (4.5 mm) awaiting TDS
Membrane-laminated Overlays
Polyboard 180 Combo (Base sheet, Overlay Board)

SBS Polymer-Modified Bituminous Membranes

(See the membrane tables in Division C)

Base Sheets
Elastoflex SA Base
Elastoflex SA Base Plus
Elasoflex SA Polar Base
Elastoflex S6 2.2 (S/S, P/S, P/P)
Elastoflex S6 2.5 (S/S, P/S)
Elastoflex S6 3.0 (P/P)
Elastoflex S6 HP awaiting TDS
Elastoflex SA V Plus awaiting TDS
Elastoflex SA V Plus FR awaiting TDS
Elastoflex V
Elastoflex VP
Elastovent awaiting TDS

Waterproofing Roofs

SBS Polymer-Modified Bituminous Membranes (Cont.)

(See the membrane tables in Division C)

Elastoflex SA V
Elastoflex SA V FR
Cap Sheets
Elastoflex S6 G
Elastoflex S6 G FR
Elastoflex SA P
Elastoflex SA P FR
Elastoflex S6 G C HP (250)
Elastoflex S6 G C HP FR (250)
Elastoflex SA P Polar Cap awaiting TDS
Elastoflex VP G HP
Elastoshield TS G FR
Polyfresko G SBS
Polyfresko G SBS FR

APP Polymer-Modified Bituminous Membranes

(See the membrane tables in Division C)

Base Sheets
Polyflex APP (Plastomeric) Membrane
Cap Sheets
Polyflex G APP (Plastomeric) Granulated Cap Sheet

Liquid Membrane Flashing Systems

(See the membrane tables in Division C)

Two-Component Reinforced Liquid Membrane Flashing

Polyglass PMMA Flashing

Single-component Liquid Membrane Flashing

Polyflash 1C

Water-shedding Roofs

Underlayment/Eave Protection (Asphalt Shingles/Cedar/Tiles)

Self-adhered Materials
Polystick IR-Xe
Polystick MTS
Polystick TU Plus

Underlayment/Eave Protection (ASM)

Self-adhered Materials
Polystick MTS


An Accessory is a material that joins Primary or Secondary Materials together, or is connected to/with a Primary or Secondary material, but does not by its nature (apart from its installation) directly affect the water or wind resistance of the Waterproofing or Water-shedding system. An Accessory is not an Accepted Material and therefore the RoofStar Guarantee does not extend to cover any potential material or installation failure. Accessories are listed in the Roofing Practices Manual merely for reference to specifiers, designers and installers.


© RCABC 2024
No reproduction of this material, in whole or in part, is lawful without the expressed permission of the RCABC Guarantee Corp.