Division C - Accepted Materials
Parafor 20 TG (Siplast)
by Siplast, Inc. (A Division of GAF Materials Canada ULC)
| Material Acceptance and Product Details
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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- Manufacturer
- Siplast, Inc. (A Division of GAF Materials Canada ULC)
- Accepted for the RoofStar Guarantee Program
- June 11, 2026
- Accepted for application in
- Waterproofing Roof Systems
Grade-level Waterproofing Systems
- Acceptance Criteria
- RGC ACWP-MOD, "RGC ACCEPTANCE CRITERIA for MANUFACTURED POLYMER-MODIFIED, REINFORCED BITUMINOUS SHEET MEMBRANES Used in Roof Waterproofing and Grade-level Waterproofing Systems"
- Product Summary
- Parafor 20 TG is a 3.0 mm thick Type C composite reinforced base sheet membrane. The Technical Data Sheet for Parafor 20 TG shows that the product aligns with CSA A123.23. The product specification is based on Paradiene 20 PR TG, featuring improved composite membrane properties. It is intended as a complementary product to the torch grade Type C cap sheets in the existing Siplast Parafor product family. Parafor 20 TG is an improved product of an existing Accepted Material.
- Conditions and Limitations
- As noted in the RGC Standard for SBS-modified Bitumen Membrane Roofs or in the RGC Standard for Grade-level Waterproofing.
- Technical Data Sheet
- Click the "PDF" icon to open the TDS in a new window.
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