HB42 PS1 Primer-Sealer Stain Block, made from shellac for high performance permanent stain blocking. Suitable for interior surfaces and to spot exterior surfaces. Providing a rapid matt finish that covers stains in one coat! Ideal for use on all interior woodwork, plaster, glossy and hard to paint surfaces such as tiles, varnish, or gloss paints. Block odours including mould, smoke and nicotine.
