WeatherMaster Pro-Grade Ice & Water is a polymer modified bituminous sheet material intended for use as underlayment. Underlayment is manufactured as a woven polyester surface coated with a self-adhering modified asphalt. Underlayment rolls have approximate dimensions of 67ft x 3ft. Underlayment is self-adhered.
Ratings
ASTM D1970
Product has met specification requirements of ASTM D1970.
ASTM E108 (Fire)
Product
has met Class A requirements of ASTM E108 when installed over minimum 15/32in
thick APA-rated plywood decks with allowable roof covers of asphalt shingles
(ASTM D3462) or slate shingles (ASTM C406). Slope is unlimited.
UL 1897 (Wind)
Product has been evaluated for Wind Uplift Resistance in accordance with UL
1897. Refer to Manufacturer for tested assembly details with corresponding
uplift pressure as well as supporting laboratory test report documentation.