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MasterSeal NP 150 Stone 10 oz Cartridge

CHE 51704774 MasterSeal NP 150 Stone 10 oz Cartridge  from Carter-Waters

MasterSeal NP 150 is a high performance, very low-modulus, high-movement, non-sag, fast-curing, hybrid sealant. 

Recommended uses: 

  • Vertical or horizontal
  • Exterior or interior
  • Above grade
  • Joints with high movement
  • In place of silicone sealants
  • Store front systems
  • Expansion joints 
  • Panel walls
  • Precast units
  • Aluminum, vinyl and wood window frames 
  • Fascia
  • Parapets
  • Sanitary applications


  • Wide temperature application range
  • Non-staining formula for use on stone and other sensitive substrates
  • Available in ProPaks to reduce jobsite waste and lower disposal costs 
  • Meets all state and federal VOC regulations. 


  • Superior adhesion results in a long-lasting bond, helping to reduce call backs
  • Low modulus to accommodate for joint movement (100% extension in EIFS joints with little stress on bond line)
  • Can be painted with elastomeric coatings soon after installation 
  • Easy to gun and tool, speeding up application
  • Weather resistant for long-lasting weather tight seals
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