Product Description
Firesound™ is a fire rated acoustic sealant, formulated primarily to perform as a barrier to the incursion of fire through expansion joints and wall penetrations such as pipes or cables.

Key Benefits
  • Fire rating for gaps up to 50mm
  • Up to 4 hour fire rating (AS1530.4-2005)
  • Excellent acoustic properties (STC 65)
  • Good flexibility; +/- 20% joint movement capability
  • Paintable
  • Intumescent; expands when exposed to fire or extreme heat