Everbuild Black Jack® 903 Bitumen Trowel Mastic is a black, heavily filled, bituminous compound with added fibres for reinforcement, that is applied by trowel.
It is 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.
1 x Everbuild Black Jack® 903 Bitumen Trowel Mastic 5 litreAdditional Information:• Type: Roof Repair• Size: 5 litre