Warm roof construction: Suitable for continuous insulation over decks
and waterproofing additive
5 × 25mm size is perfect for trims
You can also mix it with compost or other planting media to create a more open structure
Pressure-treated timber: Protects against rot and decay
Bitumen Paint – Black – Exterior Roofing Coating Multicoloured Rustic Slate Rockery 150-450mm Warm roof construction: Suitable forProduct Overview Our High Performance Bitumen Paint in a 5 litre tin is a solvent based, full bodied bituminous coating designed for durable protection of metal surfaces, timber, concrete, and roofing substrates. Once dry, it forms a black, odourless film providing reliable weatherproofing and corrosion resistance under prolonged exposure. This coating resists dilute acids, alkalis, salt solutions, and water, ensuring long term surface stability