• High Performance Features
  • Elastomeric Waterproofing Adhesive
  • Insulating White Primer Fills and Seals Surface Irregularities
  • Bonding & Adhesive Primer for PERMASIL™ Silicone
  • High Solids Resin Rich Primer Formula
  • Ceramic Insulating, Heat Dissipation & Soundproofing Properties
  • Eliminates Possibility of Moisture Under Finish Coat
  • Eco-Friendly, Low V.O.C., Easy Application and Water Clean Up
Data Sheet - PERMASIL™ PRIMER Datasheet

People Also Ask

PERMASIL™ PRIMER is specifically designed to prepare roofing surfaces for PERMASIL™ SILICONE Roof Coating. It improves adhesion, seals porous surfaces, fills minor surface irregularities so the silicone goes farther, and creates a stronger bond between the roof and the silicone finish coat. Using the proper primer can help improve coating performance and extend the life of the roof coating system.

PERMASIL™ PRIMER is compatible with many common roofing materials, including metal, galvanized steel, aluminum, concrete, masonry, stucco, modified bitumen, built-up roofing (BUR), asphalt roofing, weathered wood, slate, clay tile, and other properly prepared roofing substrates. it is not be used when recoating existing silicone roof coating membrane systems already on surfaces. Always clean and prepare the surface according to the application instructions before priming.

Yes. PERMASIL™ PRIMER is more than just an adhesion promoter. Its high-solids elastomeric acrylic formula helps seal the roof surface, fills minor imperfections, and provides an additional waterproofing layer beneath the silicone finish coat. By creating a continuous bond with PERMASIL™ SILICONE, it also helps reduce the potential for moisture to become trapped beneath the finished coating system.

Under normal weather conditions, allow PERMASIL™ PRIMER to dry for at least 12 hours before applying a compatible silicone roof coating. Drying times may vary depending on temperature, humidity, and weather conditions, so the primer should be completely dry before top coating.

Unlike many general-purpose primers, PERMASIL™ PRIMER was engineered specifically as a bonding primer for silicone roof coating systems. Its resin-rich elastomeric formula contains ceramic insulating microspheres that help fill surface irregularities while providing excellent adhesion, waterproofing, and heat-dissipation properties. It's designed to work as part of the complete PERMASIL™ roof coating system for maximum long-term performance.

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