Products / Rainproof-60 High Performance Roof Underlayment

Rainproof-60 is the heavier companion to Rainproof-40: a cold-applied, self-adhering SBS-modified rubberized asphalt sheet underlayment internally reinforced with non-woven polyester and topped with a white reflective fabric. The data sheet prints a mottled-white 60 mil membrane in 36-inch by 50-foot rolls (150 sq ft), a 2.5-inch zip-strip release liner, a 6-month UV exposure period, an operating temperature up to 250 F, low-temperature flexibility unaffected at 0 F and an ASTM D1970 nail-sealability pass, and says it can be installed on pitches down to 2/12. It is one of the membranes in IAPMO UES evaluation report ER-0390 and is covered by the Protecto Wrap Standard 10 Year Limited Warranty.