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What it is
WOCA Exterior Wood Cleaner is a concentrated, water-based cleaner developed to prepare timber before oiling and to maintain oiled exterior surfaces over time. It removes dirt, pollen, mildew and early surface weathering without aggressive chemicals, and without damaging the underlying timber.
For new timber, it provides a clean base before WOCA Exterior Wood Oil is applied. For existing oiled timber, annual cleaning before any maintenance coat is the most effective way to extend the life of the finish.
Where it's used
Technical performance
How to apply
Remove loose dirt and debris from the surface.
Pre-wet the timber thoroughly with clean water.
Mix WOCA Exterior Wood Cleaner with water — typically 1:2 to 1:10 depending on soiling.
Apply evenly using a brush or applicator, top to bottom.
Allow to work for approximately 5 minutes. Do not allow to dry on the surface.
Scrub gently along the grain with a stiff nylon brush.
Rinse thoroughly with clean water.
Allow to dry fully — typically 24–48 hours — before applying WOCA Exterior Wood Oil.
Frequently asked questions
No. WOCA Exterior Wood Cleaner is designed to clean oiled surfaces without stripping or breaking down the oil. It is the recommended cleaner for ongoing maintenance of WOCA-oiled timber.
Yes. It is suitable as a preparation step before oiling.
Annually, regardless of exposure. Clean before any maintenance recoat.
