Sika Black Jack 903 Bitumen Trowel Mastic 5L 852674

About this product

Sika Black Jack 903 is a trowel-applied, heavily-filled bituminous compound with added fibres. It forms a surface skin while the mass below remains soft to permit moderate movement. The product is suitable for sealing and filling holes in mastic asphalt, roofing felt, corrugated iron, metal guttering, downpipes, cast iron, fibre cement, slates, lead, copper, zinc, concrete and timber.

The mastic is primarily used for waterproofing, stopping, bedding, bonding and sealing applications. It adheres to and fills holes in a wide range of substrates including metals, mineral surfaces and timber.

Supplied as a 5 litre container with a total weight of approximately 7091 g. Dangerous goods restrictions may apply to transport and storage.