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MFM Building Products announces UL Class A Fire Rating for Ultra HT Wind and Water Seal®
MFM Building Products, a manufacturer of a full envelope of waterproofing and weather barrier products for the building industry, recently achieved a UL Class A Fire Rating for the company’s Ultra HT Wind & Water Seal® underlayment.
Ultra HT is a 45-mil, self-adhered roofing underlayment for use in steep-slope roofing and re-roofing installations. The product features a durable cross-laminated polyethylene top film with a traction coating for excellent walkability. The specially formulated mastic is high temperature rated to 250°F for use under metal and tile applications.
At the beginning of August, Ultra HT received 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. For complete details on roof assemblies, refer to the Ultra HT Installation Instructions or the UL Listing TGFU R11672. Typical applications for these types of roof systems include commercial buildings, architectural structures, structural buildings and some residential projects.
In addition, Ultra HT Wind & Water Seal® is 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.
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