The Everbuild Black Jack Bitumen Trowel Mastic - 5 Litre is a trowel applied black heavily filled bituminous compound with added fibres for reinforcement. The product forms a surface skin, but the mass below remains soft to allow for moderate movement. Suitable for sealing and filling holes in mastic asphalt, roofing felt, corrugated iron, metal guttering and downpipes. This will also remain flexible for long periods after application.
Suitable for use with all bituminous surface coatings
Remains flexible for long periods after application