MasterSeal NP 150 - A low-modulus, non-sag, elastomeric, hybrid sealant


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

Where is MasterSeal NP 150 applied?

  • 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
  • Concrete Highways

What are the advantages of MasterSeal NP 150?

  • 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 
  • Wide temperature application range
  • Weather resistant for long-lasting weathertight seals
  • Fast curing helps to speed up jobsite production 
  • 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

Product Information

Technical Data Sheet

Info & price request

Midrand: +27112032405 Westonaria: +27117541343
Coastal Regions: +27112032405


MasterSeal NP 150 TDS

pdf (110,49 Kb)
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