About GAF Bonding Primer, PT A & B
GAF Bonding Primer is a two component, solvent-based epoxy primer designed to seal porous substrates while improving adhesion (formerly known as UniTile LV Sealer).
Features & benefits
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Low viscosity
Allows sealer to penetrate very small crevices and preserve porous surfaces -
Concrete dustin
In-depth protection helps reduce concrete dusting and minimize maintenance -
Anti-spalling
Helps protect and preserve concrete in a stable condition

Commercial roofing products: solutions for every roofing need
From single-ply membranes to full system solutions, and state-of-the-art digital services to hands-on training. GAF offers the range of durable, easy-to-use products and services you need to succeed.