Everbuild EVB90101 Black Bitumen Paint is a solvent based, full bodied black bitumen paint. When dry, the product forms an odourless and taint free bitumen film suitable for the protection of metals,
concrete roofing, felt, fibre, cement, corrugated iron, asphalt and
wood against water attack. This product has a fast drying time and is suitable for use with portable drinking water tanks.
most builders yards have similar products extremely good if you re-coat every 3-5 years i have seen 30 year old tanks rust free only problem nowadays is painting in confined spaces