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 litre https://elecena.pl/product/27241529/everbuild-90305-black-jack-903-bitumen-trowel-mastic-5-litre 2024-11-12 https://elecena.pl/product/27241529/everbuild-90305-black-jack-903-bitumen-trowel-mastic-5-litre 2025-03-13 https://elecena.pl/product/27241529/everbuild-90305-black-jack-903-bitumen-trowel-mastic-5-litre 2025-03-25 https://elecena.pl/product/27241529/everbuild-90305-black-jack-903-bitumen-trowel-mastic-5-litre 2025-04-07 https://elecena.pl/product/27241529/everbuild-90305-black-jack-903-bitumen-trowel-mastic-5-litre 2026-01-08 https://elecena.pl/product/27241529/everbuild-90305-black-jack-903-bitumen-trowel-mastic-5-litre 2026-05-06 https://elecena.pl/product/27241529/everbuild-90305-black-jack-903-bitumen-trowel-mastic-5-litre 2026-06-20 https://elecena.pl/product/27241529/everbuild-90305-black-jack-903-bitumen-trowel-mastic-5-litre 2026-07-13 https://elecena.pl/product/27241529/everbuild-90305-black-jack-903-bitumen-trowel-mastic-5-litre 2026-08-05