Manufacturers / Kirsch Building Products

Kirsch Building Products, LLC is the maker of the Sharkskin family of mechanically-attached and self-adhered synthetic roof underlayments, woven-polypropylene sheets developed in California beginning in 2001 as a replacement for asphalt-saturated felt under concrete/clay tile, metal, slate and asphalt shingle roofing. Its products are named report subjects on ICC-ES ESR-1708 ("Kirsch Building Products, LLC") and carry Miami-Dade NOA and Florida Building Code product approvals for use in the High Velocity Hurricane Zone. The company markets under the Sharkskin brand and states its underlayments are manufactured in the USA.