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Samples are available for all MFM products. Please visit the main MFM website to request the samples you require.

Welcome to MFM Building Products, exclusive manufacturer of SubSealTM, a prefabricted, self-adhering, self-sealing waterproofing membrane backed by a 10-year iron clad warranty.

Engineered to be a multi-purpose waterproofing sheet, SubSeal is suitable for extreme waterproofing protection for above and below grade, as well as vertical and horizontal applications. SubSeal is available as SubSeal-40TM (40 mils) and SubSeal-60TM (60 mils) and meets the requirements of ICC-ES AC 38.

Count on SubSealTM Protection for:

  • Foundation Walls
  • Through-wall Flashings
  • Plaza and balcony decks
  • Parking Garages
  • Sills, pot shelves, pony walls and parapets
  • Under Stucco
  • Sealing SIPS building panels and DensGlass®
  • Around windows and doors