Item # YB7GKRUPC: 080492301663


*****  NOTE:  This product is out of stock and there is no ETA from the factory.  The manufacturer is having productions issues so the wait time for this product may be weeks or months.  You are welcome to place a backorder, but the wait for product may be extensive.  We do not charge your credit card until your order actually ships.  *****


MasterSeal NP 1 Polyurethane Sealant is a one-component high-performance gun-grade moisture-curing polyurethane sealant designed for a wide range of sealing and caulking applications in active exterior joints.

  • Aluminum Gray
  • A one-component, high performance, non-priming, gun-grade, elastomeric polyurethane sealant
  • Requires no mixing or priming to bond to many materials, including concrete & masonry
  • Weather resistant for long-lasting weather-tight seals
  • Suitable for water immersion
  • Compatible with non-rigid coatings
  • Dries with a smooth finish and is paintable
  • Superior holding power for roof tile
  • Wide temperature application range makes MasterSeal NP1 suitable for all climates
  • Applications:  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
  • Substrates:  Concrete, masonry, aluminum, wood, clay & concrete roof tiles, stucco, natural stone
  • Meets VOC requirements in all 50 states
  • D.O.T. RESTRICTED:     Ships via GROUND transport only. (No 2nd or 3rd day delivery options either, sorry.) *** CANNOT BE SHIPPED TO ALASKA or HAWAII ***


Hello Californians! Your government wants us to show you the following message:

  • ⚠ Warning: This Product Contains One Or More Chemicals Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm