The Butyl Waterproofing Squares are a multi-purpose self adhesive sealing square designed for detailing a variety of surfaces. Outstanding adhesion properties of the butyl rubber backing, the Butyl Square is ideal for sealing internal and external joint intersections and penetrations that require protection against moisture ingress, vibration and flexing. Peel and stick application Primer-less application (on dust free and stable surfaces) Excellent adhesive properties over a variety of surfaces Easy workability and deformability over substrates Uses Sealing puddle flanges and penetrations Sealing joint intersections Detailing over plumbing pipes, pvc, flashings etc. Guttering & roofing Reinforcement bond breaker Patching pin holes and pitted areas on metal surfaces General maintenance on surfaces to be covered over with surface finishes Substrates Primed or dense concrete Galvanised iron, zincalume, copper, aluminium, colorbond and most metals Timber Structural sheeting Glazed surfaces Gypsum boards and brickwork Marble, granite and ceramics Plastics and polycarbonate
