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Build: 1.2.37 - Fri, 26 Jun 2026 01:32:50 GMT

Dulux

Precision High Opacity

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Dulux

Precision High Opacity

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About Dulux Precision High Opacity

Dulux PRECISION® High Opacity Stain Blocker is an oil-based, fast drying, superior stain blocker for a wide range of water and oil-based stains. It is ideal for blocking grease, smoke, tannin, graffiti and water stains.

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Key Points
  • Interior and exterior use
  • Blocks water and oil-based stains such as food, drinks, grease, smoke, nicotine, water, mould, graffiti and crayon
  • Ideal for stains caused by fire, rust, lipstick, markers, tannin bleed, sap and knots
  • Suitable for use under Dulux topcoats
Quick guide
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Touch Dry

45 minutes

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Re-coat

1.5 hours

Cleaning materials

Mineral turpentine

Application Tools

Brush, Roller, Spray

Product specification
Surfaces
  • Hard set and paper-faced plasterboard
  • Timber
  • Mdf
  • Chipboard
  • Plywood
  • Aged Enamel
  • Brick
  • Render
  • Masonry
  • Concrete
  • Cement Sheet
  • Zincalume®
  • Galvanised Iron
  • Upvc
  • Aluminium
  • Cladding
  • Previously Painted Surfaces And Suitably Primed Steel.
Precautions and limitations

All preparation and painting must conform to AS/NZS 2311:2009 Guide to the painting of buildings.

NB: This Standard provides a guide to products and procedures for the painting of buildings for general domestic, commercial and industrial use. The Standard does not include a specific recommendation for the long-term protection of iron or steel exposed directly to the atmosphere or to internal climates likely to have aggressive environments which are dealt with in AS/NZS 2312.

Do not apply if the surface temperature is below 10C or conditions indicate it will fall below10C during the drying period.
For stainblocking applications do not tint.
For stainblocking applications do not thin.

Performance guide
  • Weather: Excellent when used as part of an approved system.
  • Heat Resistance: Up to 120C. Prolonged exposure to 120C heat will cause embrittlement.
  • Water: Excellent resistance to condensation and water splash as part of a system.
  • Solvent: Resistant to alcohols and aliphatic hydrocarbons. Film is susceptible to attack from strong aromatic and ketone/acetate solvents.
  • Abrasion: Good when topcoated.
  • Acid: Some components may react if exposed even to mild acid conditions.
  • Alkali: Resistant to intermittent exposure to mild alkali.
Surface preparation
Previously painted surface
  • Do not apply paint if the temperature is below 10°C or likely to fall below 10°C during the drying period.

All surfaces should be thoroughly dry, clean and free of all loose dirt, surface chalk, grease, mould, mildew, wax and loose or flaking paint. Sand smooth, dust down, fill and prime in accordance with the requirements of the chosen system.

How to apply
Brush, Roller

Brush Roller, conventional spray or airless spray application.
Stir thoroughly before and during use.
For Stainblocking applications do not tint or thin.

Apply one even coat of precision High Opacity Stain Blocker. For heavily stained surfaces and for paperfaced plasterboard where there is a different texture between the paper and jointing compound or where extra filling and smoothness is required, apply a second coat of precision High Opacity Stain Blocker.

For optimal coverage and smoothness, apply with:
Brush: High quality synthetic filament brush (Nylon or Polyester) Apply in full even coating direct from the container.
Roller: Medium nap synthetic roller (10-13mm on smooth surfaces or 13-18mm on semi-rough or porous surfaces) Apply in full even coating direct from the container.
Spray: Do not thin for stain blocking applications. Suitable for application by all standard spray equipment.

Clean Brushes and Rollers with Mineral Turpentine prior to and after use.

How to dispose responsibly
Unused paint
Unused paint: Do not pour leftover paint down the drain. Unwanted paint should be brushed out on newspaper and allowed to dry, and then disposed of via domestic waste collections. Empty paint containers: Leave empty paint containers open in a well-ventilated area to dry out. When dry, recycle the container via steel can recycling programs. Disposal of empty paint containers via domestic recycling programs may differ between local authorities. Check with your local council first. Do not reuse container unless thoroughly decontaminated. For more information on responsible disposal of paint and packaging visit paintback.com.au or painttakeback.co.nz

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