- Ready-to-Use Product Type:Primer
- Compatible Substrates & Surfaces:Concrete
- Features:Good UV Resistance, High Reactivity, Low Viscosity, Good Bonding Strength, Fast Cure, Moisture Resistant
- Chemical Family:Acrylics & Acrylates
DEK-Guard™ DEK-641 Penetrating Primer is a reactive, acrylic resin primer based on methyl methacrylate (MMA). The product exhibits high strength, low viscosity, and the ability to penetrate and reinforce concrete substrates. DEK-641 is 100% reactive and cures in one hour. Applying DEK-641 to properly prepared concrete is the first step to the installation of any deck coating system.