• High Performance Features
  • Excellent for Sealing Seams in Conjunction with Fabric
  • Waterproofing Bonding Primer and Fabric Saturant
  • Elastomeric Adhesive Base Coat
  • Also Great for Waterproofing Bathrooms, Kitchens and Balconies
  • Designed for Metal but will Adhere to Most Substrates
  • V.O.C. Free* and Environmentally Friendly
  • Easy Application and Water Cleanup
Data Sheet - PERMAGRIP™ Roof Leak Repair Bonding Primer Datasheet

People Also Ask

PERMAGRIP™ is a clear elastomeric waterproofing bonding primer designed to repair roof leaks, reinforce seams, and improve adhesion for roof coating systems. It is commonly used with polyester reinforcing fabric to seal roof seams, flashing details, penetrations, and other areas prone to leaks. It also works as a fabric saturant and bonding coat before applying compatible roof coatings.

PERMAGRIP™ was specifically developed for metal roofing but also bonds exceptionally well to many other surfaces, including galvanized steel, aluminum, concrete, stucco, brick, wood, plywood, modified bitumen, built-up roofing, slate, clay tile, and masonry. Its versatile formulation makes it an excellent choice for residential, commercial, and industrial waterproofing projects.

For repairing seams, joints, flashing, and larger cracks, yes. PERMAGRIP™ is designed to fully saturate polyester reinforcing fabric, creating a flexible waterproof membrane that strengthens repaired areas and helps prevent future leaks. Using reinforcing fabric provides a longer-lasting repair than coating alone.

Yes. In addition to roofing applications, PERMAGRIP™ is an excellent waterproofing membrane for wet areas such as bathrooms, kitchens, balconies, and other surfaces that require moisture protection beneath tile or flooring. Its high-resin, water-based formula creates a durable waterproof barrier while remaining environmentally friendly with zero VOCs.

Absolutely. PERMAGRIP™ is designed to be used as a bonding primer before compatible roof coatings are applied. Once it has dried (typically about four hours under normal conditions), it creates a strong adhesive layer that improves coating adhesion, seals moisture pathways, and helps extend the overall life of the roofing system.

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