MFM Building Products Announces UL Class A Fire Rating for Ultra HT Wind & 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.
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