BLACK JACK BITUMEN TROWEL MASTIC 5L

Black Jack Bitumen Trowel Mastic is a trowel applied black heavily filled bituminous compound with added fibres for re -enforcement, used primarily for patching holes in roofs and bituminous coatings. The product forms a surface skin, but the mass below remains soft to allow for moderate movement. BENEFITS - Fast drying - Suitable for use with all bituminous surface coatings - Remains flexible for long periods after application AREAS FOR USE Mainly used for: - Waterproofing, stopping, bedding, bonding and sealing - Adheres to/fills holes in: mastic asphalt, roofing felt, corrugated iron, cast iron, fibre cement, slates, lead, copper, zinc, concrete and timber.