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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.
• Fast drying
• Suitable for use with all bituminous surface coatings
• Remains flexible for long periods after application
• 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.
Size: 2.5 Litre