Timber Treat Joinery Preservative: ACS

Timber Treat

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Timber Treat Joinery Preservative is a moisture regulating, deep penetration preservative, which provides an adhesive surface, making it receptive to a wide range of top coats.

Timber Treat is a new generation joinery preservative for pre-treatment of non-resistant timber. The
product is based on modified vegetable oil, and contains two highly effective active biocides, designed to protect timber against sap stain fungi and a wide range of wood destroying fungi.

Timber Treat is suitable for application to all exterior timber, which is not in direct contact with water or the ground. Ensure the surface is clean, dry and free of oil, grease and wax. Any existing paint or stain should be removed and the surface cleaned of abrasion dust. Silvered or deteriorated timber should be sanded back to a sound surface.

Timber Treat is bat roost friendly.


Timber Treat is a ready-to-use product. Stir well before use.

Dipping or flow coating and spraying in enclosed devices. Application rate 160ml/ m2 of timber

Freshly treated timber should be stored under cover or on an impermeable standing to prevent losses to the ground and water. Draining loss plus any rainwater should be collected and re-used or disposed of.

Apply by brush or roller in 2 or 3 coats to a total application rate of 160ml/m² (1 litre of product will treat approximately 6.25 m² of timber).

Apply along the grain  and allow the previous coat to be adsorbed before applying the subsequent one.

Drying Time

Dries in approximately 12 hours under normal conditions (20°C @ 65% Rh). Drying times may be extended at low temperatures or high humidity. Allow 24 hours before applying topcoats.


Remove excess product from brushes and rollers. Wash in warm soapy water followed by a clean water rinse.

Download the Timber Treat brochure here

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Coverage: 6.25 m²/litre (approx.)

1 litre
2.5 litre
5 litre