Ultra HT is a 45-mil, self-adhered roofing underlayment for use in steep-slope roofing and reroofing installations. The product features a durable cross-laminated polyethylene top film with a traction coating for excellent walkability, and is rated to 250°F for use under metal and tile applications.
Ultra HT is now a UL Listing as a Class A fire-resistant barrier when used in conjunction with 24 GA minimum steel or 16 oz. copper UL listed roofing panels per UL 790, Report R11672. Typical applications for these types of roof systems include commercial buildings, architectural structures, structural buildings, and some residential projects.
Ultra HT Wind & Water Seal® is also tested to ASTM D 1970, Florida Building Code FL #11842.3, Miami-Dade County Approved, ICC-ES ESR-1737, LA County (LARC/LABC), State of California (CRC/CBC), Texas Department of Insurance Listed, Fortified Building Program listed, and Canadian CCM 14048-L. Ultra HT carries a 10-year warranty and is manufactured in the USA.
