Difference between revisions of "Materials:R-Mer Span"

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<i>Manufacturer: <b>GARLAND CANADA INC.</b></i>
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| style="background-color: #ffffcc; column-width:100%" | '''Notice to the Reader''':  
  
<i>Contact Address: </i>See Membership List in Section 1.  
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The roofing assembly / material information published in the RCABC '''''Roofing Practices Manual''''' and offered below does NOT represent a complete set of the manufacturer’s data or specifications. The preparation of a detailed specification is the responsibility of the design authority.
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| '''Manufacturer''': [http://www.garlandcanada.com '''www.garlandcanada.com''']
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;Accepted for '''''RoofStar Guarantee Program''''': Date TBA
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;'''Product Summary''':
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TBA
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<i>Product Group: <b>STANDING SEAM METAL ROOFING</b></i>
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:Click below for the '''Technical Data Sheet''' (TBA).
  
SECTION 07 41 00.001
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<div style="width:150px; text-align: left;">
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:[[File:Pdf.png|150 px|'''Technical Data Sheet''']]
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</div>
  
MANUFACTURED METAL
 
 
ROOFING PANELS
 
 
;<u>PART 1 - GENERAL</u>
 
 
The roofing assembly / material information published in the <b>RGC </b><b><i>Roofing Practices Manual </i></b>DOES NOT represent a complete set of the manufacturer's published data, nor does it represent a fully detailed specification. Please contact the manufacturer&#8217;s technical representative for full technical, specification and product application information.
 
 
<b><i>Note:</i></b> This section includes system descriptions for R-MER Span pre-formed standing seam roof panels available in Galvanized, Galvalume, and Galfan. For Copper panels, p. Specifications available in MasterFormat 2004, published by the Construction Specifications Institute (CSI), Alexandria, VA.
 
 
;1.1 <u>DESCRIPTION</u>
 
:.1 R-Mer Span is a standing seam roof system consisting of a unique profile containing either mesas or striations throughout the panel to minimize oil-canning. The 2-3/8" high vertical seam makes R-Mer Span both aesthetically pleasing as well as the ideal roof system to withstand the most severe weather conditions. The heavy duty one piece clip allows for unlimited thermal movement. R-Mer Span can be used on slopes down to 2" in 12" per foot for both retrofit and/or new construction. The versatility of R-Mer Span is best portrayed by its ability to also be mechanically curved and tapered to meet unique roofing conditions.
 
 
:.2 General
 
::1. Furnish all labor, material, tools, equipment, and services for all preformed roofing as indicated, in accord with the provisions of the Contract Documents. The Metal Roofing Manufacturer will provide all components required for a complete metal roofing system to include panels, panel clips, trim/flashing, fascias, ridge, closures, sealants, fillers and any other required items.
 
::2. Completely coordinate with work of all other trades.
 
::3. See Division Drawings and general provisions of the Contract, including the Conditions of the Contract and Division 01 Specification Sections apply to this section.
 
 
:.3 Related Sections:
 
::1. Section 07 05 00 - Common Work Results for Thermal and Moisture Protection.
 
::2. Section 07 01 41 - Maintenance of Manufactured Metal Roofing Panels.
 
 
:.4  Related Work Specified Elsewhere:
 
 
:<b><i>Note:</i></b> The following references are suggestions. They should be supplemented or omitted according to specific project requirements.
 
 
::1.  Division 05 Section - Metal Decking
 
::2. Division 06 Section - Rough Carpentry for wood substrate components
 
::3. Division 07 Section - Roof Insulation
 
::4. Division 07 Section - Above-Grade Vapor Barriers
 
::5. Division 07 Section - Sheet Metal Flashing and Trim
 
::6. Division 07 Section - Roof Specialties
 
::7. Section 07 01 40 Maintenance of Manufactured Metal Roofing Panels
 
::8. Division 08 Section - Roof Windows and Skylights
 
::9. Division 26 Section - Facility Lightning Protection Systems
 
 
;1.2 <u>REFERENCES</u>
 
:.1 American Architectural Manufacturer Association (AAMA):
 
 
::1. AAMA 501.1 Standard Test Method for Metal Curtain Walls for Water Penetration using Dynamic Pressure.
 
 
:.2  American Iron and Steel Institute (AISI):
 
::1. 1996 Edition Specification for the Design of Cold-Formed Steel Structural Members.
 
 
:.3  American Society of Civil Engineers (ASCE):
 
::1.  ASCE 7-05 Minimum Design Loads for Buildings and Other Structures.
 
 
:.4  American Society for Testing and Materials (ASTM):
 
::1. ASTM A792 Standard Specification for Steel Sheet, 55% Aluminum-Zinc Alloy-Coated by the Hot-Dip Process.
 
::2. ASTM A875 Standard Specification for Steel Sheet, Zinc-5% Aluminum Alloy-Coated by the Hot Dip Process.
 
::3. ASTM A653 Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) by the Hot-Dip Process.
 
::4. ASTM D1056 Standard Specification for Flexible Cellular Materials - Sponge or Expanded Rubber.
 
::5. ASTM D3575 Standard Test Methods for Flexible Cellular Materials made from Olefin Polymers.
 
::6. ASTM E283 Standard Test Method for Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors Under Specified Pressure Differences Across the Specimen.
 
::7. ASTM E331 Standard Test Method for Water Penetration of Exterior Windows, Curtain Walls, and Doors by Uniform Static Air Pressure Difference.
 
::8. ASTM E1592 Standard Test Method for Structural Performance of Sheet Metal Roof and Siding Systems by Uniform Static Air Pressure Difference.
 
::9. ASTM E1646 Standard Test Method for Water Penetration of Exterior Metal Roof Panel Systems by Uniform Static Air Pressure Difference.
 
::10. ASTM E1680 Standard Test Method for Rate of Air Leakage Through Exterior Metal Roof Panel Systems.
 
::11. ASTM E2140 - Standard Test Method for Water Penetration of Metal Roof Panel Systems by Static Water Pressure Head
 
 
:.5 Testing Application Standards TAS
 
::1. TAS 100 Test Procedure for Wind and Wind Driven Rain Resistance of Discontinuous Roof Systems
 
::2. TAS 125 Standard Requirements for Metal Roofing Systems
 
::3. TAS 114 app. G Test Procedure for Susceptibility to Leakage of Discontinuous Roof Systems
 
 
:.6 Sheet Metal and Air Conditioning Contractors National Association (SMACNA):
 
::1. Architectural Sheet Metal Manual, 5th edition.
 
 
:.7 Underwriters' Laboratories (UL):
 
::1. UL 263 Fire Tests of Building Constructions and Materials.
 
::2. UL 580 Tests for Uplift Resistance of Roof Assemblies.
 
::3. UL 790 Tests for Fire Resistance of Roof Covering Materials.
 
 
:<b><i>Note: </i></b>Factory Mutual Research Corporation provides a rigorous testing procedure to determine resistance to wind uplift, fire, foot traffic, and hail impact. Garland has ratings of 1-60 or 1-90. Buildings which are insured by a Factory Mutual member company may be required to comply with a specific rating level. All other buildings may also benefit from specifying Factory Mutual compliance as a required performance criteria. Please contact a Garland sales representative for the applicable rating requirement and listed roofing system.
 
 
:.8 Factory Mutual Research (FM):
 
::1. FM 4470 Approval Standard for Class 1 Panel Roofs.
 
 
;1.3 <u>SYSTEM PERFORMANCE REQUIREMENTS</u>
 
:.1 ASTM E1592: Test results must clearly demonstrate compliance with the following requirements:
 
::1. The ultimate test failure load shall be reduced by the safety factor specified to determine the allowable working load for the panel system.
 
::2. The proposed system has been tested to insure that the allowable working load of the panel system meets or exceeds the specified negative wind uplift pressures listed in this specification for all roof zones.
 
::3. The test results are applicable for the thickness, width, and profile specified. Results are not applicable for systems that are thicker or wider than the system which was tested. If the tested material was not the specialty material specified herein (for instance, the tested material was galvalume steel), then the test results shall be reduce by the ratio of the yield strength (Fy) of the specified material to the tested material.
 
::4. The results must clearly show that the allowable clip spacing meets or exceeds the requirements specified in section 3.0 for all roof areas. Clip spacing shall not be reduced for any roof zone from that which is specified.
 
 
:.2 ASTM E283 and E331: Test results must clearly demonstrate compliance with the performance requirements specified.
 
 
:.3 ASTM E1646 and E1680: Test results must clearly demonstrate compliance with the performance requirements specified. Results are not applicable for systems that are thinner, wider, lower grade, or different material/profile than the system which was tested. The differential test pressures must be identical to those specified.
 
 
:.4 UL 580: The proposed roof panel shall be listed as UL 580, Class 1-90.
 
 
:.5 UL 790: The proposed roof panel shall be listed as a non-combustible roof covering material and be approved for use in a UL classification assembly.
 
 
:.6 UL 263: The proposed roof panel shall be listed for use in a UL fire rated construction assembly.
 
 
:.7 FM 4471: Test report must be submitted for windstorm rating no less than that. The proposed roof system must have approval over the specified substrate with clips spaced no closer than as specified for roof Zone 1.
 
 
:.8 AAMA 501.1: Test report shall show passed ratings for panel type as specified.
 
 
:.9 TAS 100: Test report shall show passed ratings for panel type as specified.
 
 
:.10 TAS 125: Test report shall show rating no less that that as specified.
 
 
:.11 TAS 114 appendix G: Test report shall show passed ratings for panel type as specified.
 
 
:.12 ASTM E2140: Test report shall show passed ratings for panel type as specified.
 
 
;1.4 <u>QUALITY ASSURANCE</u>
 
:.1 Installer Qualifications: Engage an Installer who has completed the Manufacturer's Approved Roofing Contractor course and is currently certified for the installation of this roof system.
 
 
:.2 If required, fabricator/installer shall submit work experience and evidence of adequate financial Responsibility. The Owner's representative reserves the right to inspect fabrication facilities in determining qualifications.
 
 
:.3 Source Limitations: Obtain all components of roof system from a single manufacturer, including roll goods materials if required. Secondary products that are required shall be recommended and approved in writing by the roofing system
 
Manufacturer.
 
 
::1.Upon request of the Architect or Owner, submit Manufacturer's written approval of secondary components in list form, signed by an authorized agent of the Manufacturer.
 
 
::2.Manufacturer shall have direct authority and control over all fabrication of steel components as well as the raw materials used in their fabrication.
 
 
:.4 Source Quality Control: Manufacturer shall have in place a documented, standardized quality control program such as ISO-9001 approval.
 
 
:.5 Engage the Manufacturer's Field Representative to conduct required periodic inspections of work in progress and shall furnish written documentation of all such inspections.
 
 
:<b><i>Note:</i></b> Portable rollformers are light duty machines with fewer forming stations than manufacturers' factory equipment. Garland suggests avoiding the use of these machines in all circumstances. Portable rollformers can induce significant oil canning and other poor performance and aesthetic qualities in the panels. For jobs which require panel lengths in excess of shipping limitations (45 feet to 65 feet, depending on location), Garland recommends full length panels (no end laps or splices) formed on site by full size factory-type equipment, and operated by a full-time experienced technician.
 
 
:.6 Mechanically Curved Panels: Panels shall be mechanically curved to the exact radius of each curved roof area. Panels may be mechanically curved in the factory or on site. Mechanical curving equipment shall be operated by a full time experienced technician. Flat panels conformed to the roof shape are not acceptable and will be rejected.
 
 
.7  Tapered Panels: Tapered panels shall be formed from a single piece of metal. Tapered panels formed from multiple pieces of joined metal are unacceptable. All performance tests must be applicable for the greatest panel width of the tapered panels. Tapered panels must be designed to accommodate thermal expansion and contraction while fixed at the narrowest end of the panel.
 
 
;1.5 <u>DESIGN AND PERFORMANCE CRITERIA</u>
 
 
:.1  Thermal Expansion and Contraction:
 
::1.  Completed metal roofing and flashing system shall be capable of withstanding expansion and contraction of components caused by changes in temperature without buckling, producing excess stress on structure, anchors or fasteners, or reducing performance ability.
 
 
::<b><i>Note:</i></b> The design temperature differential for thermal expansion and contraction is the difference between the hottest and coldest panel surface temperature. The differential temperature should be based on the temperature range during the anticipated life cycle of the system, not the temperature change during a single year. Studies by the Army Corps of Engineers recommend this range to be 160&#186;F to 240&#186;F or more depending on climate, insulation, materials, and surface color.
 
 
::2. The design temperature differential shall be not less than [insert design temperature differential (200&#186; F)].
 
 
::3. Interface between panel and clip shall provide for unlimited thermal movement in each direction along the longitudinal direction.
 
 
::4. Location of metal roofing rigid connector shall be at roof ridge unless otherwise approved by the Project Architect. Metal ridge connector may require design as per job conditions by specified manufacturer.
 
 
:.2 Uniform wind load capacity:
 
::1.  Installed roof system shall withstand negative (uplift) design wind loading pressures complying with the following criteria. Anchor clips shall be installed exactly as spacing given. Each of the following is necessary to determine the appropriate design wind pressure for roof components. Please contact a Garland sales representative for assistance in determining the proper wind uplift design criteria. Typical selections are shown; however, every structure requires detailed attention for proper system design
 
:::a) Design Code: ASCE 7-05, Method 2 for Components and Cladding.
 
:::b) Safety Factor: 1.650 after any load reduction or material stress increase.
 
:::c) Category [I, II, III, or IV] Building with an Importance Factor of [0.77, 1.00, or 1.15].
 
:::d) Wind Speed: [contact Garland sales rep] mph.
 
:::e) Ultimate Pullout Value: [contact Garland sales rep.] pounds per each of the two fasteners holding the panel anchor to the roof decking or framing system.
 
:::f) Exposure Category: [A, B, C, or D].
 
:::g) Design Roof Height: [contact Garland sales rep.] feet.
 
:::h) Minimum Building Width: [contact Garland sales rep.] feet.
 
:::i) Roof Pitch: [contact Garland sales rep.] inches per foot.
 
 
:::<b><i>Note:</i></b> Hips and ridges are considered as Zone 1 field of roof for roof slopes of 10 degrees (2 inches per foot) or less.
 
 
:::<u>Roof Area Design Uplift Pressure:</u>
 
:::Zone 1 - Field of roof [contact Garland sales rep.] psf
 
:::Zone 2 - [Eaves, ridges, hips,] and rakes [contact Garland sales rep.] psf
 
:::Zone 3 - Corners [contact Garland sales rep.] psf
 
 
::2. Capacity shall be determined using pleated airbag method in accordance with ASTM E1592, testing of sheet metal roof panels. Allowable safe working loads shall be determined by dividing the ultimate test load by the safety factor specified above.
 
 
:.3 Uniform Positive Load Capacity.
 
::1. The installed roof system shall be capable of resisting the following positive uniform roof loads: Roof Live Load of 20 psf; Roof Snow Load of [center required snow load here] psf. Capacity to resist positive loads shall be determined by empirical calculations in accordance with AISI. Calculation shall be sealed by a registered professional engineer.
 
 
::2. Installed roof system shall carry positive uniform design loads with a maximum system deflection of L/180 as measured at the rib (web) of the panel.
 
 
::<b><i>Note:</i></b> Delete this paragraph if the project is new construction. If the project is retrofit or tear off, and weight is being added, then a licensed structural engineer must review and approve the application through a structural evaluation.
 
 
::3. Dead Load: Loading of the roof structure, due to tear off of existing, and/or installation of new roofing materials shall not exceed the present loading due to weight of the existing roofing system. [contact Garland Sales Rep] psf is being removed from the roof through tear off as specified in section 3.0. [contact Garland Sales Rep] psf will be added to the weight of the existing roof through installation as specified in section 3.0. Total addition of weight to the roof structure is [contact Garland Sales Rep] psf.
 
 
:<b><i>Note:</i></b> Delete section D, E, and F if not applicable to this project.
 
 
:.4 Underwriters' Laboratories, Inc., (UL) fire resistance P ratings for roof assemblies: If applicable, panel system shall be approved for use in an appropriate Construction Assembly, as defined by UL 263.
 
 
:.5 Underwriters' Laboratories, Inc., (UL), wind uplift resistance classification: Roof assembly shall be classified as Class 1-90, as defined by UL 580.
 
 
:.6 Underwriters' Laboratories, Inc., (UL) Class A fire rating per UL 790.
 
 
:.7 ASTM E283: Static pressure air infiltration (doors, windows, curtain walls):
 
::1. Pressure Leakage Rate
 
:::a) 1.57 PSF 0.0007 cfm/sq.ft.
 
:::b) 6.24 PSF 0.0002 cfm/sq.ft.
 
:::c) 20.0 PSF 0.0036 cfm/sq.ft.
 
 
:.8 ASTM E331: Static pressure water infiltration (doors, windows, curtain walls): 
 
::Pressure Result
 
::5 Gal./Hr. per S.F. and Static No Leakage
 
::Pressure of 20.0 Psf for 15 minutes
 
 
:.9 ASTM E1680: Static pressure air infiltration (roof panels):
 
 
::<b><i>Note:</i></b> The following results are given for 24 gage (minimum) steel panels. Delete subparagraph if it is not applicable.
 
 
::1. Pressure Leakage Rate
 
:::a) 1.57 PSF 0.0012 cfm/sq.ft.
 
:::b) 6.24 PSF 0.0001 cfm/sq.ft.
 
:::c) 20.0 PSF 0.0011 cfm/sq.ft.
 
 
:.10 ASTM E1646: Static pressure water infiltration (roof panels):
 
:* Pressure Result 5 Gal./Hr. per S.F. and Static No Leakage
 
:* Pressure of 20.0 Psf for 15 minutes
 
 
:.11 Capacities for gauge, span or loading other than those tested may be determined by interpolation of test results within the range of test data. Extrapolations for conditions outside test range are not acceptable.
 
 
:.12 Water penetration (dynamic pressure): No water penetration, other than condensation, when exposed to dynamic rain and 70 mph wind velocities for not less than five minutes duration, when tested in accord with principles of AAMA 501.1.
 
 
:<b><i>Note:</i></b> Section 13 is applicable to high velocity wind zone areas.
 
 
:.13 Wind and wind driven rain resistance: No water penetration or panel movement when exposed to 110 mph wind velocities when tested in accordance with TAS 100.
 
 
:.14 The installed roof system assembly shall show that it can resist the calculated roof pressure in accordance with the test results of TAS 125.
 
 
:.15 Water penetration in low slope applications: No water penetration or panel movement when subject to 6" head of water for 6 hrs when tested in accordance with the ASTM E2140 and when subject to 6" head of water for 7 days when tested in accordance with the TAS 114 appendix G.
 
 
;1.6 <u>DELIVERY, STORAGE, AND HANDLING</u>
 
:.1 Manufacturer's responsibilities:
 
::1. All roof panels shall be shipped from the manufacturer with strippable film or similar packaging material separating the individual panels to minimize flexing, stressing, scratching or otherwise damaging the material during transit to the job.
 
 
::2. Fully cover steel with tarpaulins or similar protective cover during transit to prevent dirt and debris from coming in contact with the finished goods.
 
 
:.2 Installer's responsibilities:
 
 
::1. Stack pre-finished materials to prevent twisting, bending, abrasion and denting and elevate one end to facilitate moisture run-off.
 
::2. Unload roof panels using a boom or crane, supporting the panels in at least two locations during lifting, and never lift more than three panels at a time.
 
::3. Protect moisture-sensitive materials and water-based from the weather.
 
::4. Inspect materials upon delivery. Reject and remove physically damaged or marred material from project site.
 
 
;<u>PART 2 - PRODUCTS</u>
 
 
;2.1 <u>MANUFACTURER</u>
 
 
:.1 The design is based upon R-MER Span roofing systems engineered and manufactured by; Garland Canada Inc., The Garland Company, Imetco
 
 
;<u>PART 3 &#8211; EXECUTION and INSTALLATION</u>
 
 
The roofing assembly / material information published in the <b>RGC </b><b><i>Roofing Practices Manual </i></b>DOES NOT represent a complete set of the manufacturer's published data, nor does it represent a fully detailed specification. Please contact the manufacturer&#8217;s technical representative for full technical, specification and product application information.
 
 
;3.1 <u>GENERAL</u>
 
:.1  Installation is to be done in accordance with Manufacturer&#8217;s instructions and approved installation specifications and shop drawings.
 
::1. Develop straight lines from ridge to eave. Lay out the panels for installation.
 
::2. Snap a chalk line for clip spacing layout.
 
::3. Lay benchmarks across the roof deck in vertical orientation.
 
::4. Install clips and panels until the rake or jamb transition.
 
::5. Install panel seam cap and crimp over every other clip.
 
::6. Terminate panel installation with gable clip and rake or jamb detail.
 
::7. Install head closure detail at ridge or hip assembly.
 
::8. Install associated trim at ridge or hip detail.
 
::9. Install edge stiffener at eave.
 
::10. Mechanically seam panel cap continuously the entire panel length.
 
 
[[File:R_Mer_Span_Page_1.jpg]]
 
 
;<u>APPLICATION DETAILS</u>
 
 
:The details listed provide metal panel installation information and the fabrication of metal flashing details for standing seam metal roof systems and proprietary metal roof systems. More specific details are available from metal roof panel manufacturers. <i>RGC Guarantee Standards</i> for metal roofing systems are to be used in conjunction with this section.
 
 
:[[ASM Details:E1.7.1 (Underlayment / Modified Bitumen Ice Dam Protection)|E1.7.1 Underlayment / Modified Bitumen Ice Dam Protection]]
 
:[[ASM Details:E1.7.2 (Modified Bitumen Underlayment / Ice Dam Protection)|E1.7.2 Modified Bitumen Underlayment / Ice Dam Protection]]
 
:[[ASM Details:E1.7.3 (Eave & Gable Flashing for Standing Seam Systems)|E1.7.3 Eave & Gable Flashing for Standing Seam Systems]]
 
:[[ASM Details:E1.7.4 (Eave & Gable Protection for Proprietary Systems)|E1.7.4 Eave & Gable Protection for Proprietary Systems]]
 
:[[ASM Details:E1.7.5 (Metal Valley - Hooked Flashing)|E1.7.5 Metal Valley - Hooked Flashing]]
 
:[[ASM Details:E1.7.6 (Metal Valley - Unhooked Flashing)|E1.7.6 Metal Valley - Unhooked Flashing]]
 
:[[ASM Details:E1.7.7 (Roof-to-Wall Flashing)|E1.7.7 Roof-to-Wall Flashing]]
 
:[[ASM Details:E1.7.8 (Equipment Support Stand / Pipe Flashing)|E1.7.8 Equipment Support Stand / Pipe Flashing]]
 
:[[ASM Details:E1.7.9 (Equipment Support Stand, Pipe Flashing Split Panel Detail)|E1.7.9 Equipment Support Stand, Pipe Flashing Split Panel Detail]]
 
:[[ASM Details:E1.7.10 (Curb for Rooftop Equipment)|E1.7.10 Curb for Rooftop Equipment]]
 
:[[ASM Details:E1.7.11 (Ridge / Hip Cap Flashing)|E1.7.11 Ridge / Hip Cap Flashing]]
 
:[[ASM Details:E1.7.12 (Notched Ridge / Hip Cap Flashing)|E1.7.12 Notched Ridge / Hip Cap Flashing]]
 
:[[ASM Details:E1.7.13 (Vented Ridge / Hip Cap Flashing)|E1.7.13 Vented Ridge / Hip Cap Flashing]]
 
:[[ASM Details:E1.7.14 (Proprietary Vented Ridge / Hip Cap Flashing)|E1.7.14 Proprietary Vented Ridge / Hip Cap Flashing]]
 
:[[ASM Details:E1.7.15 (Proprietary Vented Wall Flashing)|E1.7.15 Proprietary Vented Wall Flashing]]
 
:[[ASM Details:E1.7.16 (Built-in Gutter Membrane / Underlayment / Vapour Barrier Transition)|E1.7.16 Built-in Gutter Membrane / Underlayment / Vapour Barrier Transition]]
 
:[[ASM Details:E1.7.17 (Built-in Gutter)|E1.7.17 Built-in Gutter]]
 
  
 
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Latest revision as of 15:35, 20 October 2016

Notice to the Reader:

The roofing assembly / material information published in the RCABC Roofing Practices Manual and offered below does NOT represent a complete set of the manufacturer’s data or specifications. The preparation of a detailed specification is the responsibility of the design authority.

Manufacturer: www.garlandcanada.com
Accepted for RoofStar Guarantee Program
Date TBA
Product Summary

TBA

Click below for the Technical Data Sheet (TBA).
Technical Data Sheet



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