Barrettine 1L Black Bitumen Paint Barrettine 1L Black Bitumen Paint A solution of Bitumen giving an initial gloss finish, weathering to a matt black coating. Suitable for metal and concrete. Not suitable for use on roofing. Meets BS6949-1991 Coverage: 1 litre – 4 sq metres Drying time: 4 – 12 hours Application: Brush, can be spray if diluted minimally with White Spirit but will need several coats.
