Black tar is the product par excellence for the treatment of wood, iron and concrete, which must be protected from atmospheric agents and the permanent effects of water. Very suitable for materials that are underground. Can be applied to wood already treated with carbolineum, iron treated with black varnish and concrete treated with coal tar. Black tar is non-toxic after drying. Black tar cannot be painted over with paint.
For use underground
Silky matt shine
For outdoor use
