Master Builders MasterSeal® NP 1™

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. Available in White, off-white, limestone, anodized aluminum, stone, tan, aluminum gray, hunter green, medium bronze, special bronze, redwood tan, tile red and black.

For more information about MasterSeal® NP 1™, including data sheets, click HERE

Looking for a previous product name?
Click HERE to access the BASF Product Naming Guide


For more information on these and 
other Master Builders products 
contact your local Williams dealer.


Visit the BASF Website




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