Meets VOC requirements in all 50 states. One-component formula requires no mixing, helping to reduce labor costs. UL listed; Passes 4–hour, 4–inch, fire and hose stream test when used with Ultra Block or mineral wool. Wide temperature application range makes MasterSeal NP 1 suitable for all climates. 26 Linear Feet Approximate Coverage. Skins overnight and fully cures within a week. White Color. USDA compliant for use in meat and poultry areas. Water & Weather Resistant. 10.1 Ounce Tube. Easy to gun and tool, speeding up application and making neater joints. Excellent Flexibilty and Adhesion. No primer required for most construction materials lowering installation costs. Manufactured by WestNet for BASF