Everbuild Black Jack 903 Bitumen Trowel Mastic 1l

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Everbuild Black Jack 903 Bitumen Trowel Mastic 1l

This 1 litre tub of Everbuild Black Jack 903 Bitumen Trowel Mastic is the ideal solution for small-scale roofing repairs, gutter resealing, and emergency patching. Its thick, non-drip formula makes it exceptionally easy to apply with a trowel or spatula, delivering a durable, waterproof seal that stays flexible to accommodate movement. Perfect for maintenance teams and DIY enthusiasts, this handy size eliminates waste while giving you exactly the right amount for touch-up work.

- Ready-to-use, cold-applied bitumen mastic – no heating or mixing required

- Forms a tough, weatherproof membrane that resists cracking and blistering

- Excellent adhesion to concrete, asphalt, metal, felt, brick, and lead

- Remains flexible after curing, allowing for natural expansion and contraction

- Contains fungicides and anti-UV stabilisers for long-lasting outdoor performance

- Ideal for sealing flashings, repairing roof leaks, filling cracks, and bedding felt

- Low odour and solvent-free formulation – safer to use in confined spaces

- Can be painted over with bitumen-based paints once cured

Simply apply directly to a clean, dry surface and smooth into place – no special tools needed. For professional-grade results on small jobs, this mastic is the reliable choice.

GTIN: 5029347009311