Radial Timber Sealer


Radial Timber Sealer is a unique unpigmented oil based clear timber sealer combined with an effective mouldacide developed to provide short-term sealing and water repellency to Australian timber. (up to 6 months in exposed environments). It allows timber to weather naturally from UV exposure to a silver grey. The purpose of this application is to allow the moisture content throughout the timber to be controlled and stabilise as it settles into the new environment before the greying off process begins.

Key Points




Recommended Uses

Radial Timber Sealer is designed to be a one-off initial precoat for new hardwood and is recommended to be applied to all sides. It is suitable for hardwoods used for external cladding, window frames, fences, decking and pergolas.   If preferred, the surface can be recoated with an oil based finish after installation if the freshly cut appearance is required.

Directions For Use

Ensure a clean dry surface, free from dirt, grease and wax. Greyed timber should first be cleaned with a suitable wood cleaner such as Preschem’s GREY DECK CLEANER. Brush spray or wipe one generous coat of RADIAL TIMBER SEALER on to the timber and allow 24 hours drying time.

It can be applied by any convenient means, such as brush, roller, spray or dip application. Exterior floors or decks can be easily treated with a lamb’s wool applicator. If the timber still looks dry, another application may be required. A minimum of 24 hours drying time for decking and areas subject to foot traffic is advisable. Ensure all end grain wood is well coated to minimize water absorption.


RADIAL TIMBER SEALER will remain water repellent for up to 12 months on fully exposed timber in most conditions. It is designed to a true one time only application on new timber. Note that it will lose water repellency over time.

Approximate Coverage

Green Seasoned
Dressed 9-11 m2/litre 11-12 m2/litre
Rough Sawn 7-8 m2/litre 8-9 m2/litre

Clean Up

Mineral Turps


4, 10 and 20 litre cans.

Safety Directions And First Aid

Avoid contact with skin by wearing gloves and protective clothing. Don’t breathe vapour, spray or mist. If poisoning occurs, contact a Doctor or Poison Information centre on 13 11 26

Hold eyes open, flood with water for at least 15 minutes.

Remove contaminated clothing and wash skin thoroughly with soapy water.

If Swallowed
Do not induce vomiting. Give a glass of water to drink and seek immediate medical attention. Do not give water to unconscious patient.

SDS and Tech Data

Radial Timber Sealer SDS

Radial Timber Sealer Tech Data



Steve M.
Review by Steve M. on 07 Nov 2022 review stating Great Product
Arrived in short time, easy to apply, looks great


Iain W.
Review by Iain W.on 7 May 2021 review stating easy to use,effective
easy to use, effective


Review by Steve on 19 Nov 2022 review stating Easy to use

I use it because it’s cheap and easy to apply. It’s very thin in consistency and not particularly oily. I use it off label as an outdoor timber oil and it works to prevent mould growth on the silvered timber. I applied when it was new and then recoat every 12 months.

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