Cromar Black Bitumen Paint Black Bitumen Paint is a general-purpose paint for waterproofing and the weather protecting of steelwork and concrete. Available in 2.5L and 5L Waterproof, weatherproof, corrosion resistant protective coating. Resistant to low concentrations of alkalis and acids and can withstand prolonged oxidation Suitable for application to a wide variety of surfaces including steel, iron, lead, zinc, aluminium, concrete, stone and brick Metal protection for any type of exterior metalwork – fire escapes, ladders, gutters etc. A protective coating for concrete structures, stone, brick, concrete screeds and sand/cement surfaces By brush or airless spray, apply evenly and ensure no pooling of product. A minimum of two coats of Black Bituminous Paint is recommended.