Applicable Standards: ICC ESR-1492
Miami-Dade County Approved
UL 790: Classified for use as underlayment beneath Class A, B, or C fire rated shingle systems
ASTM D1970
Florida Product Approval # FL 11288
CSA A123.22
Hold Your Shingles, Did You Grab These?
Dealer pros frequently purchase these items alongside CertainTeed Roofing WinterGuard® Sand Waterproofing Shingle Underlayment - 2 SQ. Roll