Coo-Var has introduced their Shellac based primer. Shellac Prime-All is a heavy duty shellac based coating designed to block out difficult stains and odours.
It is ideal for sealing tar, bitumen and creosoted surfaces it prevents bleeding through in subsequently applied solvent based paints. It exhibits heavy stain blocking from nicotine, pen,oils and waterstains and has rapid drying properties.
Used as a primer and sealer for timber, wood composites, plaster, cement, some plastics and brickwork. Shellac Prime-All can also be used as a spot primer on exteriors.