Biyseal polyurethane impregnated foam is a bitumen impregnated, light weight flexible foam with a normal density of 35kg per m3, manufactured as per AS 2282/79.

Biyseal is suited as a weather resistant seal for numerous applications in both building and construction and, industrial either on its own or in conjunction with sealant depending on the application.

Typical applications include dust/vermin proofing of metal wall or roof cladding, vertical expansion joint in precast concrete, brick and blockwork.

Also used in jointing between walls and windows and profiled Biyseal for sealing various roof and wall decking.