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.

Contact Address
See the current Membership list and contact information at
Country of Origin
Country of Manufacture
Year First Installed
BC: 1978
Canada: 1978
Foreign: 1967

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)

ParaPro PMMA Roof Membrane Resin

Liquid Membrane Flashing Systems

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


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.