MFM Building Products manufactures exterior, self-adhering waterproofing membranes for use by the construction and HVAC industries. Products include Low Slope Roofing Membranes, Steep Slope Roofing Underlayments, Window and Door Flashing Tapes, Above and Below Grade Waterproofing Membranes, HVAC Duct and Pipe Membranes, and Specialized Construction Tapes. Products can be purchased through specialty roofing and building product wholesalers/retailers. All products are manufactured in the USA.