Products / Owens Corning Titanium PSU30 High-Temp Self-Adhered Underlayment

Titanium PSU30 is a repositionable, high-temperature self-adhered underlayment aimed at metal roofs, rated for heat up to 240 degrees F and up to six months of UV exposure, with Sure-Foot dimensional mesh for walkability. The brochure lists use under metal, asphalt, mechanically attached and adhered tile, slate and composite shingles on slopes of 1/2:12 or greater (the low-slope case limited to standing seam and sealed-lap metal), approval with ICP AH-160, RTA-1 and Dow TileBond foam adhesives, a 72 ft. x 36 in. roll (2.16 squares) weighing 48 lbs., and a lifetime limited warranty. Its ASTM E108 Class A fire resistance applies when installed under asphalt shingles.