Dulux Precision Stain, Smoke & Odour Blocker is the Professionals' choice for a fast drying, superior stain blocker. It blocks a wide range of stubborn water & oil based stains, protects against tannin bleed in timber and seals odours.


  • Shellac based primer
  • Blocks grease, smoke, tannin, graffiti & water stains
  • Seals odours
  • Interior & spot exterior use
  • Available in 350g spray, 1L, 4L


  • Stops stains from migrating through the topcoat
  • Exceptionally fast drying, touch dry 15min, recoat 45min
  • Suitable for use under Dulux topcoats

Product code: 30SX383A


Use on interior & spot exterior surfaces including paper-faced plasterboard, timber, MDF, chipboard, plywood, aged enamel, brick, render, masonry, concrete, cement sheet, previously painted surfaces and suitably primed steel. Blocks water & oil based stains such as food & beverage, grease, smoke, nicotine, water stains, mould stains, graffiti, crayon, stains caused by fire damage, rust, lipstick, markers, tannin bleed, sap streaks and knots.

Surface preparation

STAINED SURFACE Remove as much of the stain as possible by cleaning with Selleys® Sugar Soap, sanding, scraping, etc. PREVIOUSLY PAINTED SURFACES Scrape off loose and flaking paint. Wash with Selleys® Sugar Soap, to remove grease and grime. Fill nail holes and cracks with a suitable filler, then sand smooth. BARE TIMBER INCLUDING WEATHERBOARDS & HARDBOARDS Sand bare timber to a clean surface and dust down. Fill nail holes and cracks with suitable filler, then sand smooth and dust off. CHALKY SURFACES Sand back to a strongly bound surface and dust off. HIGH GLOSS OR HARD, AGED ENAMEL SURFACES Sand to a dull finish. PLASTERBOARD, MASONRY, MDF, RENDER, CONCRETE, CEMENT SHEET, SUITABLY PRIMED STEEL, GALVANISED IRON & ZINCALUME® Fill holes and other imperfections with a suitable filler, sand and dust off. Allow cement render and concrete to cure for a minimum of 28 days before applying Dulux

Product downloads


Approx. 12m2/L depending upon the porosity of the surface.
Paper faced plasterboard, Timber, MDF, Chipboard, Plywood, Aged Enamel, Render, Brick, Masonry, Concrete
Wall, Ceiling
Bedroom, Living room, Hallway, Dining room, Laundry, Cladding, Kitchen

Application Guide

Application Method
Roller, brush, spray.

Health Safety

Clean Up
Clean brushes and equipment with Methylated Spirits.