HB Fuller Firesound fire rated acosutics sealant was selected and specified for used in all stadium massonry walls expansion joints. The expansion gap size range from 20mm to 50mm. HB Fuller Firesound is a water based intumescent sealant and has fire rating of up to 4 hours. Its is paintable and has excellent flexbility.
Firesound is available in 450g cartridges and 600ml sausages. Standard colour is grey but also available in white (upon request).