COSHOCTON, Ohio — MFM Building Products recently announced that its Ultra HT Wind & Water Seal high temperature roofing underlayment is ideal for vertical side wall applications.

MFM Building Products is a manufacturer of a full envelope of waterproofing and weather barrier products for the building industry.

This self-adhering “self-stick” membrane is composed of a cool white, cross-laminated, high density polyethylene film laminated to a high temperature rubberized asphalt adhesive system rated to 250 degrees Fahrenheit. This premium product is extremely tough, is self-sealing around fasteners and offers a 90-day UV exposure rating.

Ultra HT is ideal for vertical applications under metal panel systems and parapet walls capped with metal tiles. The high temperature adhesive system withstands the high temperatures generated by these systems to ensure complete waterproofing protection. Special installation instructions must be followed for all vertical applications.

Ultra HT has a thickness of 45 mils and is available in a 12”, 18” and 36” by 67’ length rolls. As a roofing membrane, Ultra HT meets ASTM D 1970, Florida Building Code FL16562, and Miami-Dade County NOA 13-1125.06. The product comes with a 10-Year Limited Warranty.

More information may be obtained at