Materials:Platinum HT-B (FT Synthetics)

Notice to the Reader: 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.

Manufacturer and Acceptance Manufacturer FT Synthetics Accepted for the RoofStar Guarantee Program January 2022 Accepted for application in Water-shedding Systems (All) Product Summary A self-adhered synthetic roofing underlayment identical to the Komodo BSA underlayment, Platinum HT-B is a high temperature, self adhered waterproofing membrane made with an advanced butyl rubber adhesive formulation and designed for use in steep slope roofing applications. (adapted from the Technical Data Sheet) Conditions and Limitations Suitable as an underlayment on ASM systems, on slopes 1:6 (2" in 12") and greater. Suitable as an underlayment on Asphalt Shingle systems, on slopes 1:3 (4" in 12") and greater. Not suitable in a single layer application for use as eave protection on any water-shedding system.

Click below for the Technical Data Sheet.