Duration Premium is a self-sealing laminated asphalt shingle. Shingles are manufactured with 2 layers of fiberglass mat coated with asphalt on both sides, and surfaced on the weather-exposed side with mineral granules. Shingles have approximate dimensions of 39-3/8in x 13-1/4in.
Product has met specification requirements of ASTM D3462.
Product has met Class F - 110mph (177km/h) requirements of ASTM D3161.
Product has met Class H – 190mph (306km/h) requirements of ASTM D7158.
Product has met Class A requirements of ASTM E108 when installed over minimum 3/8in thick APA-rated plywood decks with minimum single-layer of ASTM D226 Type I, ASTM D4869 Type I, or ASTM D6757 underlayment or other underlayment that is listed for use with Class A asphalt shingle. Slope is unlimited.
Product has met specification requirements of CSA A123.5.