Coo-Var Shellac Prime-All is a heavy duty, shellac based coating designed to block out difficult stains and odours. Ideal for sealing tar, bitumen and creosoted surfaces and to prevent bleeding through in subsequently applied solvent based paints. It exhibits heavy stain blocking from nicotine, pen, oils and water stains and has rapid drying properties. For timber, wood composites, plaster, cement and brickwork. Seals tar, bitumen and creosoted areas. Can be used as a spot-primer on exterior surfaces.
Coverage: 10m² per litre. The practical spreading rate may be lower as this depends on factors such as the porosity and roughness of the surface to be painted and material losses during application.
Drying times: Low temperature and high humidity will adversely affect application, drying and performance of any coating.
Touch dry: 10 minutes
Hard dry: 30 minutes
Full Hardness: 24 hours
Recoatable: 30 minutes
VOC - 500g / litre