Everbuild Sika Black Jack 903 Bitumen Trowel Mastic, 1 Litre
Everbuild's Black Jack 903 fibre-reinforced bitumen mastic for trowel-applied roof and coating repairs.
The Everbuild Sika Black Jack® 903 Bitumen Trowel Mastic is a highly durable, black, fibre-reinforced bituminous compound designed for easy trowel application. This specialised mastic is primarily used for repairing holes in roofs and patching bituminous coatings, providing a robust and flexible waterproof barrier.
Key Features:
- Fibre-reinforced formula for enhanced strength and durability
- Forms a surface skin while remaining soft beneath to accommodate moderate movement
- Easy trowel application for precise and efficient repairs
- Ideal for patching damaged roofing and bituminous coatings
Technical Specifications:
- Type: Bitumen Trowel Mastic
- Colour: Black
- Capacity: 1 Litre
- Application Method: Trowel
- Reinforcement: Added fibres
- Surface Finish: Forms a protective skin
- Flexibility: Remains soft underneath to allow for movement
- Patching holes in roofs
- Repairing bituminous coatings
- Flexible waterproofing applications
- Material: Fibre-reinforced bituminous compound
- Colour: Black
- Volume: 1 litre
- Application: Trowel-applied
- Weight: 1468g
- Properties: Forms surface skin with soft underlying mass
Free standard delivery on UK mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For faulty items, contact us within 14 days for a replacement or refund.
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