Underlayment
MFM® Building Products, a manufacturer of a full envelope of waterproofing and weather barrier products for the building industry, introduced a new underlayment product during the 2025 International Roofing Expo in San Antonio, Texas.
MFM showcased the company’s new 48 inch Wind and Water Seal self-adhering roofing underlayment. The new product is composed of an embedded traction surface adhered to a high-temperature adhesive rated to 250°F for use under metal roofing systems. Acting as an ice and water barrier, the 48 inch width eliminates the need to double layer along roof edges in some applications. Self-adhering and self-sealing around fasteners, the product is ideal for use along roof edges, eaves, valleys, and as a whole roof covering for secondary water protection.
The product comes in a 48 inch by 50 foot roll size, 200 sq.ft., and is packaged 30 cartons per pallet. Manufactured in the United States, Wind and Water Seal comes with a ten year limited warranty.
