10.1 oz. Cartridge White Polyurethane Caulk
MasterSeal NP 1 is a one component, high-performance, non-priming, gun-grade, elastomeric polyurethane sealant. It requires no mixing and typically requires no priming to bond to many materials, including concrete and masonry. Trust MasterSeal NP 1 for your critical applications, from wall joints and window perimeters to roof seals and fire rated joints.
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