Ultra HT Wind & Water Seal™ is a high-temperature rated, self-adhering underlayment composed of a cross-laminated, non-slip polymer film laminated to a high-temperature rubberized asphalt adhesive. It’s engineered for use with metal roofing system where extreme heat is generated. It also adheres aggressively to most common construction substrates. This 45-mil underlayment comes in a 36” wide, 2-square roll. It’s also tested to ASTM D 1970; Florida Building Code FL# 16562 and Miami-Dade County approved, and carries a 10-year limited warranty. Visit www.mfmbp.com for more information.