Exterior Pine Clear
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Deck Care · Timber Finishes

Exterior Pine Clear

The oil for treated pine. Penetrates the porous grain of Radiata and Slash Pine to give it a rich oiled look, stop it blackening, and reduce the checking and movement pine is known for — with no film to peel.

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↓ Safety Data Sheet ↓ Technical Data Sheet

Finish: Clear penetrating oil, no pigment. No film to peel.
Use on: Treated pine — Radiata and Slash; CCA, LOSP, ACQ or Tanalised
Format: Oil. Brush, roller, spray or dip.
Not for: Hardwoods: use Aussie Clear.

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Which one do I need?

Match the timber's tone for a natural look, or pick a colour. Same penetrating oil underneath; only the pigment changes.

Mid to dark, naturalMerbau · Spotted Gum · Jarrah · Ironbark · Redgum · Western Red CedarAussie Clear →Blond to mid, naturalBlackbutt · Silvertop Ash · Yellow Stringybark · White CypressAussie Clear Light →

Treated pine, naturalRadiata & Slash Pine — softwoods need a different oilExterior Pine Clear — this page

Walnut brownAny exterior timber — one designer tone across blond, dark, pine and cedarWalnut Timber Finish →Let it grey naturallyHardwood you want to silver — clear, unpigmented sealerRadial Timber Sealer →

Directions for use

Preparing the timber, then applying

Before you brush

Start dry and cleanSurface must be dry and free of dirt, grease and wax. Previously varnished or painted surfaces must be thoroughly stripped.
Deal with weatheringBadly weathered surfaces should be sanded back or cleaned with Grey Deck Cleaner before application.
Watch the weatherDo not apply when dew or rain is expected.

Applying the oil

One generous coatBrush, roller, spray, dip or lambswool applicator. Make sure all end grain is well coated to minimise water absorption.
Touch-dry in 4–6 hoursFully cured in 24 hours. On decks and other foot-traffic areas, allow a few days before heavy use — the TDS advises three.
Second coat after the first yearAfter the first 12 months of weathering a second application gives a much longer service life. Then re-oil every 12–18 months depending on exposure.

Where it goes

Treated softwood, outdoors

Wherever a clear protective exterior finish is wanted on treated softwood — Radiata Pine, Slash Pine and other CCA, LOSP, ACQ or Tanalised pine: cladding, decking, pergolas, trellis and fencing.

Treated pine decksThe most common use — and the one where the wet look shows most.

PergolasPosts, beams and rafters in treated pine.

FencingPalings, rails and posts.

CladdingTreated softwood weatherboards and battens.

Trellis & screensThin sections that move the most — where the stabilising matters.

Steps & landingsWear areas that can be touched up as needed.

Not for hardwoodsCedar, Merbau, Jarrah, Cypress Pine and the other popular outdoor hardwoods want Aussie Clear, formulated for their density.

Made for the way pine behaves

Why it works

Treated pine is porous, moves with the weather and goes dry and blotchy. A hardwood oil sits on top of it. Exterior Pine Clear is formulated to get in — and to keep the timber stable once it is there.

Penetrates, doesn't coat

Formulated to dry slowly in service so no film forms. Peeling and cracking are never a problem.

Stops the blackening

Keeps the treated surface clean — the dry, grey-black look of untreated pine doesn't develop when it is maintained.

Stabilises the timber

Water repellents reduce checking and movement, overcoming many of the problems of using pine in service.

Specifications

Timber: Treated softwood — Radiata and Slash Pine; CCA, LOSP, ACQ, Tanalised
Finish: Natural oiled "wet look", no pigment, non-film-forming
Coverage: Up to 10 m²/L on dressed timber, 6 m²/L on sawn
Dry time: Touch-dry 4–6 hours · cured 24 hours
Recoat: Second coat after 12 months, then every 12–18 months by exposure
Clean-up: Mineral turpentine
Made in: Australia

Common questions

Why not just use Aussie Clear on pine?

Because hardwood oils sit on the surface of a porous softwood rather than penetrating. Exterior Pine Clear is formulated for treated pine specifically. If you want the golden-teak look on pine, the TDS suggests Aussie Clear as a later top-coat once the pine has been oiled and weathered.

Does it add colour?

No pigment. It gives treated pine a rich, natural oiled look and enhances the grain, but the colour is the pine's own — and it will slowly fade with exposure until you re-oil.

Will it peel?

No. It dries slowly in service so no film forms on the surface. There is nothing to crack or peel.

How often do I re-oil?

A second coat after the first 12 months of weathering, then every 12–18 months depending on exposure. Wear areas like steps and doorways can be touched up in between.

You might also need

Aussie Clear

For hardwoods — Cedar, Merbau, Jarrah and the rest.

View product

Grey Deck Cleaner

Strips the grey and black off weathered pine before you oil it.

View product

Aussie Clear Light

For blond hardwoods like Blackbutt and Silvertop Ash.

View product

Australian made in Cheltenham, Victoria since 1988 — founded by two CSIRO timber scientists. The whole story →