Seal It Right With BASF MasterSeal NP 1 Caulking
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BASF MasterSeal NP 1 Caulking, (formerly known as SONOLASTIC NP-1) is a Polyurethane Sealant that is one-component high-performance gun-grade moisture-curing polyurethane sealant designed for a wide range of sealing and caulking applications in active exterior joints.