Products / Jiffy Seal Ice & Water Guard HT

Jiffy Seal Ice & Water Guard HT is a premium high-temperature, 40 mil, self-adhering roof underlayment of a proprietary slip-resistant tri-layer woven polypropylene film coated on one side with a high-temperature asphalt adhesive, used beneath shakes, shingles, metal panels and slate. The data sheet prints a green surface, 36-inch rolls of 66 or 75 feet, an in-service range of -45 F to 250 F, a 6-month UV exposure rating, a Class A fire classification to ASTM E108, and passing ASTM D1970 results including nail and lap sealability. The product page says it meets or exceeds ASTM D1970 and lists IAPMO UES ER-0390, Florida product approval FL 41542 and Miami-Dade NOA 22-0425.02; the data sheet adds Florida approval FL 17155. It is covered by the Protecto Wrap Standard 10 Year Limited Warranty.