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MFM Wind & Water Seal™ is a 40 mil, self-adheringroofing underlayment composed of a non-slip polymer film laminated to a high-temperature rubberized asphalt adhesive.  A split release film protects the adhesive and is removed as the underlayment is installed.

MFM Wind & Water Seal™ is engineered for use under all roofing materials including metal, asphalt shingles, shake or concrete shingles, and clay tiles. MFM Wind & Water Seal™ adheres aggressively to most clean, dry substrates including metal, plywood, OSB, foam insulation, house-wrap, rigid vinyl and masonry.

  • Composed of a non-slip, polymer film

  • Engineered for use under all roofing materials

  • Rated for HIGH TEMPERATURE applications

  • Ideal for secondary water resistance

  • Install in temperatures at or above 50°F

  • Self-sealing around fasteners

  • Minimum slope for installation is 2" per foot

  • Protects from leaks caused by ice dams and wind-driven rain

  • May be left exposed for 60 days

  • Comes with a 10-Year Warranty

mfm wind & water seal™ Approvals

  • ASTM D 1970

  • Texas Department of Insurance Listed

MFM Wind & Water Seal™

ProductProduct IDSizeUnits/CartonCarton Wt.
MFM Wind & Water Seal4826736” x 67’152 lbs
MFM Wind & Water Seal™

Roll Size: 36" x 67' (2 Square)