FIRESOUND™ Original is a fire rated acoustic sealant.
FIRESOUND™ is formulated primarily to perform as a barrier to the incursion of fire through expansion joints and wall penetrations such as pipes or cables. FIRESOUND™ is also an effective acoustic sealant.
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
*Due to variations in fire rating results using different thicknesses and types of substrates consult fire test reports for specific tested FRL's.