Crown Trade PSB Stain Block Primer

About this product:

An advanced formulation water-based, pigmented primer sealer for use on interior and exterior surfaces. PSB Stain Block Primer has excellent stain sealing properties and can be used on most surfaces subject to staining by nicotine, crayon, smoke damage, tannin, water stains, aerosol etc. Stains are held in the primer and will be obliterated by the decorative topcoat.

Technical Information

Touch Dry

2 hours


15 hours


Up to 12m² per litre



Key Benefits

  • Locks stains into the paint film
  • A water-based alternative to alkali resisting sealer
  • Excellent adhesion
  • Resists cracking and blistering
  • Can be overcoated with water-based or solvent-based paint finishes

Product Information

  • Sizes

    5lt, 1lt

Application Method

Stir well before use. Apply liberally one or two coats as required by brush, roller or airless spray. Airless spray, use tip size .015” – .017” @ 2000 – 2500 psi (thinning with water may be required). On uncoated, porous wall and ceiling surfaces the first coat can be thinned with up to 10% clean water.