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ROCKWOOL® Intumescent Expansion Joint Seal

Firestop solution for linear joints in walls & floors.

Intumescent Expansion Joint Seal provides an easy retro-fit solution to firestop existing construction joints up to 75mm thick in floors and walls.

Intumescent Expansion Joint Seal is a compressible strip formed by shrink wrapping a graphite based intumescent polymer to both faces of a ROCKWOOL core.

Intumescent Expansion Joint Seal is supplied in one metre lengths to suit the joint to be filled. The width of the product is dependent on the fire rating required.

Features & Benefits

  • Simple to install
  • Water resistant
  • Maintenance free
  • Available in small quantities