Everbuild Black Jack 903 Bitumen Trowel Mastic 1 litre

Sika Black Jack 903 is a heavily-filled bituminous compound applied by trowel, formulated with added fibres for reinforcement. It forms a surface skin while remaining soft underneath to accommodate 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. Primary uses include waterproofing, stopping, bedding, bonding and sealing applications. The mastic adheres to and fills defects across a wide range of substrates commonly encountered in roofing and building maintenance work. Supplied as 1 litre container. Weight approximately 1.4 kg. Dangerous goods restrictions may apply to transport and storage.