Description
The Everbuild Black Jack 903 Trowel Mastic is a high-quality, heavily-filled, fibre-reinforced, trowelable bituminous compound ideal for application to various roofing substrates.
- Fast-drying, fibre-reinforced formula
- Suitable for use in conjunction with all bituminous surface coatings
- Remains flexible for a long-lasting time even after application
