Firesound sealant is suitable for internal and external applications when a fire and acoustically rated seal is required. Intumescent formula is UV stable, paintable, non-hazardous, free from solvents, isocyanates and asbestos. Fire rated for up to 4 hrs in joints up to 50 mm when tested in accordance with AS1530.4. Excellent acoustic performance; low shore A hardness and high density formula achieving up to Rw 65 (-2;-5) when tested in accordance with AS1276.1. Suitable for construction joints that are subject to movement up to ±20%. Including gaps around cables, metal pipes, conduits, busways and ducts that penetrate walls, floors, ceilings, pre-cast concrete panels, block work, brickwork, aerated concrete and fire-rated plasterboard. Low VOC Green star project compliant. Compatible with; fire rated plasterboard, masonry, mortar, aluminuim, PVC cable coverings, brick, concrete, steel, galvanised steel and stainless steel. Up to 4Hr Fire Resistance AS1530.4 For Gaps up to 50mm Intumescent over 90°C Water Based Excellent Acoustic Properties (STC 65) Internal application recommended
