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MasterSeal NP 125 One-Component Clear Sealant 10oz Cartridge

CHE 51670006 MasterSeal NP 125 One-Component Clear Sealant 10oz Cartridge f

MasterSeal NP 125 is a one-component, high-performance, non-priming, gun-grade, thermoplastic adhesive and sealant. It requires no mixing and bonds tenaciously to common building materials, including concrete and clay roof tiles, metal flashings and masonry.

Recommended uses:

  • Residential
  • Commercial
  • Sheet roofing
  • Liquid applied roofs
  • Metal roofs
  • Shingled and tiled roofs
  • Between adjacent
  • Layers of roof tile
  • Sealing edge and ridge tiles
  • Penetration seals
  • Flashings
  • Skylight frames
  • Termination bars and reglets
  • Parapet expansion joints
  • Lap seals in metal roof assemblies
  • Sealing wood forms


  • Superior holding power for longer lasting seals
  • Suitable for exterior applications (roofing) Bonds similar and dissimilar materials
  • Clear formula blends with any substrate color
  • Wide temperature application range makes MasterSeal NP 125 suitable for all climates


  • One-component formula requires no mixing, helping to reduce labor costs
  • Joint movement capability of 25%

Formerly known as Sonolastic Clear 25

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