​MasterSeal NP 2

How does MasterSeal ​NP 2 work?

MasterSeal NP 2 (formerly known as Sonolastic NP 2) is a multi-component, highly flexible, non-priming, high-performance polyurethane sealant.​

Recommended uses:

• 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
• Parking structures

What are the unique feature​s of MasterSeal NP 2?

• Wide temperature application range makes MasterSeal NP 2 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
• Bulk packaging results in less waste
• Formulated to withstand pedestrian and vehicular traffic

What are the benefits​​ of MasterSeal NP 2?

• Joint movement capability +/- 25% provides excellent flexibility for keeping moving joints weather tight
• Weather resistant for long-lasting weather tight seals
• Easy to gun and tool to speed up application and make neater joints
• No primer required for most construction materials, lowering installation costs
• Chemical cure allows for faster turnaround time
• Long pot life provides extended working time