Products / Duro-Last EV Fleece

Duro-Last EV Fleece is the fleece-backed version of Duro-Last EV, a PVC membrane that includes DuPont Elvaloy KEE (ketone ethylene ester), offered in 60 and 80 mil for adhered and mechanically fastened installation. The 60-mil data sheet describes an 18 x 9 weft-inserted polyester scrim, 28 mil of film above the scrim, a 5.5 oz per square yard needle-punched polypropylene fleece held back 2.25 inches at one selvage, a 90-mil overall thickness with fleece, 0.39 lb per square foot, white on both faces, and an initial CRRC solar reflectance index of 108 (87 at three years). It states that consequential damage coverage is not available for Duro-Last EV installations; the product page lists 15-year to 30-year NDL warranties and 15- and 20-year NDL hail and high wind warranties.