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GTEC Intumescent Acoustic Sealant

Gun applied water based sealant for use as an acoustic sealant, resilient adhesive, decorators caulk or as intumescent mastic to seal air gaps at system perimeter.

Best suited for


  • Education
  • Sport
  • Healthcare
  • Multi Residential
  • Education
  • Leisure
  • Industrial


  • Forms a fire rated acoustic barrier – up to 4 hour fire rating
  • Permanently flexible/high grab
  • Adheres to most surfaces
  • Mould resistant
  • Non flammable
  • Overpaintable
  • Easy clean up


GTEC Intumescent Acoustic Sealant seals joints and service penetrations within walls, partitions, fire rated door frames and glazing systems.

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