Manufacturers:Siplast, Inc.

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Manufacturers:Siplast, Inc.

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Division C - Accepted Materials


Siplast, 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.

Website
https://www.siplast.com/
Contact Address
See the current Membership list and contact information at www.rcabc.org
Country of Origin
U.S.A.
Country of Manufacture
U.S.A.
Year First Installed
BC: 1978
Canada: 1978
Foreign: 1967
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forms the backbone of the RGC Acceptance Criteria and has replaced the older CGSB Standard CGSB 37-GP-56M, which was withdrawn in 2015.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 at Grade


SBS-Modified Bituminous Membranes

(See the membrane tables in Division C)

Base Sheets
Teranap 431 (2m x 20m)
Teranap (1m x 8m)
Cap Sheets
Teranap 431 (2m x 20m)
Teranap (1m x 8m)

Liquid Membrane Systems (Field Application)

(See the membrane tables in Division C)

ParaPro PMMA Roof Membrane Resin

Liquid Membrane Flashing Systems

(See the membrane tables in Division C)

Two-part Reinforced Liquid Membrane Flashing

Parapro 123 Flashing Resin


Water-shedding Roofs


Insulation Overlay Panels

High-density Insulation Overlays
Paratherm HD
Paratherm W HD

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

Self-adhered Materials
Paradiene 20 EG SA

Underlayment/Eave Protection (ASM)

Self-adhered Materials
Paradiene 20 EG SA

Accessories

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.

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