A premium white shellac primer-sealer,  HB42 PS1 Primer-Sealer Stain Block for high performance permanent stain blocking. The Ultimate Stain Blocker in one coat!

HB42 PS1 is 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. Seals in stains from grease, water, smoke, wood knotting and sap residue, crayon, ink, lipstick, rust and more. Can also be used to seal porous surfaces so topcoat paints have better coverage.