Product SKU: NP1

MasterSeal NP-1 Elastomeric Polyurethane Sealant

MasterSeal NP 1 (formerly known as Sonolastic 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.

Consistently one of our top selling products, we sell a lot of NP-1. Our stock is constantly rotating, meaning you always get fresh product. If you are a contractor or that purchases NP-1 in large quantities, please contact us for volume discount options.

Available in cases of 30 tubes (10.1oz tubes) or 20 sausages (20 oz sausage pack) in 11 standard colors

Product SKUNameQuantityRequest a Quote
CLKNP1ALGAluminum Gray - 10.1 oz
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CLKNP1BLKBlack - 10.1 oz
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CLKNP1LIMLimestone - 10.1 oz
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CLKNP1MEBMedium Bronze - 10.1 oz
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CLKNP1OFFOff White - 10.1 oz
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CLKNP1REDRedwood Tan - 10.1 oz
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CLKNP1SPBSpecial Bronze - 10.1 oz
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CLKNP1STOStone - 10.1 oz
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CLKNP1TANTan - 10.1 oz
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CLKNP1WHTWhite - 10.1 oz
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CLKNP120ALGAluminum Gray - 20 oz
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CLKNP120BLKBlack - 20 oz
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CLKNP120LIMLimestone - 20 oz
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CLKNP120MEBMedium Bronze - 20 oz
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CLKNP120OFFOff White - 20 oz
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CLKNP120REDRedwood Tan - 20 oz
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CLKNP120SPBSpecial Bronze - 20 oz
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CLKNP120STOStone - 20 oz
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CLKNP120TANTan - 20 oz
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CLKNP120WHTWhite - 20 oz
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Description

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.

• 11 standard colors to match a wide variety of common substrates
• Wide temperature application range makes MasterSeal NP 1 suitable for all climates
• UL listed; Passes 4–hour, 4–inch, fire and hose stream test when used with Ultra Block or mineral wool
• Suitable for water immersion with documented performance in wet areas
• Meets VOC requirements in all 50 states
• One-component formula requires no mixing, helping to reduce labor costs
• Joint movement capability ±35{05aebf0802fbb0d9e8aaecb097d33bcee705e113ada15fb14b9f190f9232e09b} provides excellent flexibility for keeping moving joints weathertight
• Easy to gun and tool, speeding up application and making neater joints
• No primer required for most construction materials lowering installation costs
• Weather resistant for long-lasting weather tight seals
• Compatible with non-rigid coatings and can be painted
• Superior holding power for long-lasting roof tile installation

Typical applications for NP-1 include: interior and exterior, above and below grade, immersed in water, expansion joints, panel walls, precast units, aluminum and wood window frames, roofing, fascia, parapets, vinyl siding, store front assemblies

Available in: White, Stone, Limestone, Black, Medium Bronze, Aluminum Gray, Tan, Off White, Special Bronze, Redwood Tan, Gray