Description
Masterseal np1, 10.1 oz, black, 1 component, high performance, non-priming, gun grade, elastomeric polyurethane sealant, it requires no mixing & typically requires no priming to bond to many materials, including concrete & masonry.
Black Color
10.1 Ounce Tube
26 Linear Feet Approximate Coverage
Excellent Flexibilty and Adhesion
Water & Weather Resistant
Easy to gun and tool, speeding up application and making neater joints
Skins overnight and fully cures within a week
One-component formula requires no mixing, helping to reduce labor costs
No primer required for most construction materials lowering installation costs
Wide temperature application range makes MasterSeal NP 1 suitable for all climates
Meets VOC requirements in all 50 states
UL listed; Passes 4?hour, 4?inch, fire and hose stream test when used with Ultra Block or mineral wool
USDA compliant for use in meat and poultry areas
WARNING: This product can expose you to chemicals including toluene disocyanate which is known to the State of California to cause cancer, and toluene, which is known to the State of California to cause birth defects or other reproductive harm. For more information, go to






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