Materials:Paratherm W HD

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 Siplast Accepted for the RoofStar Guarantee Program October 2020 Accepted for application in Waterproofing Systems (roofs)(high-density insulation overlay) Water-shedding Systems (ASM and Asphalt Shingles) Product Summary Paradtherm HD is a rigid roof insulation boards comprised of a high-density closed cell polyisocyanurate foam core bonded on each side to inorganic coated fiberglass facers. has a compressive strength of 80 psi (Grade 2) (adapted from the Technical Data Sheet)

Click below for the Technical Data Sheet.