Firesound Fire Rated Acoustic Sealant

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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. 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

Substrates

Steel
Concrete
Plasterboard
Aluminium

Uses

Sealing exterior and interior construction joints that are subject to movement (up to +/-20%) in pre-cast concrete panels, block work and brickwork
Gaps around cables, metal pipes, conduits, busways and ducts that penetrate walls, floors and ceilings

If joint movement is not required, Firesound can be used as a putty for filling holes in fire rated substrates

Consult a fire engineer before use in a fire rated application.