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 SKU
Name
Color
Tube Size
Quantity
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CLKNP1ALG
MasterSeal NP-1 Elastomeric Polyurethane Sealant Aluminum Gray 10.1 oz
Aluminum Gray
10.1 oz
CLKNP1BLK
MasterSeal NP-1 Elastomeric Polyurethane Sealant Black 10.1 oz
Black
10.1 oz
CLKNP1LIM
MasterSeal NP-1 Elastomeric Polyurethane Sealant Limestone 10.1 oz
Limestone
10.1 oz
CLKNP1MEB
MasterSeal NP-1 Elastomeric Polyurethane Sealant Medium Bronze 10.1 oz
Medium Bronze
10.1 oz
CLKNP1OFF
MasterSeal NP-1 Elastomeric Polyurethane Sealant Off White 10.1 oz
Off White
10.1 oz
CLKNP1RED
MasterSeal NP-1 Elastomeric Polyurethane Sealant Redwood Tan 10.1 oz
Redwood Tan
10.1 oz
CLKNP1SPB
MasterSeal NP-1 Elastomeric Polyurethane Sealant Special Bronze 10.1 oz
Special Bronze
10.1 oz
CLKNP1STO
MasterSeal NP-1 Elastomeric Polyurethane Sealant Stone 10.1 oz
Stone
10.1 oz
CLKNP1TAN
MasterSeal NP-1 Elastomeric Polyurethane Sealant Tan 10.1 oz
Tan
10.1 oz
CLKNP1WHT
MasterSeal NP-1 Elastomeric Polyurethane Sealant White 10.1 oz
White
10.1 oz
CLKNP120ALG
MasterSeal NP-1 Elastomeric Polyurethane Sealant Aluminum Gray 20 oz
Aluminum Gray
20 oz
CLKNP120BLK
MasterSeal NP-1 Elastomeric Polyurethane Sealant Black 20 oz
Black
20 oz
CLKNP120LIM
MasterSeal NP-1 Elastomeric Polyurethane Sealant Limestone 20 oz
Limestone
20 oz
CLKNP120MEB
MasterSeal NP-1 Elastomeric Polyurethane Sealant Medium Bronze 20 oz
Medium Bronze
20 oz
CLKNP120OFF
MasterSeal NP-1 Elastomeric Polyurethane Sealant Off White 20 oz
Off White
20 oz
CLKNP120RED
MasterSeal NP-1 Elastomeric Polyurethane Sealant Redwood Tan 20 oz
Redwood Tan
20 oz
CLKNP120SPB
MasterSeal NP-1 Elastomeric Polyurethane Sealant Special Bronze 20 oz
Special Bronze
20 oz
CLKNP120STO
MasterSeal NP-1 Elastomeric Polyurethane Sealant Stone 20 oz
Stone
20 oz
CLKNP120TAN
MasterSeal NP-1 Elastomeric Polyurethane Sealant Tan 20 oz
Tan
20 oz
CLKNP120WHT
MasterSeal NP-1 Elastomeric Polyurethane Sealant White 20 oz
White
20 oz

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