MSP is a proven, water-based paint that resists flaking or peeling because of its outstanding flexibility. It will go over most other paints and varnishes including weathered Tar Varnish, Bitumen and Creosote It is non-yellowing and it cleans up with water It can be used directly onto plastic, wood, metal (including radiators), plastic coated steel, cladding, brick, masonry, fibreglass, terracotta, stone, plaster, MDF, tiles, melamine, plastics, UPVC, galvanised steel, aluminium, copper and much much more!