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The Intergrain UltraPrep Tannin and Oil Remover 4L is a salts-based cleaner that strips tannins, weathering and natural oils from exterior timber so it's clean and ready to coat. It's the right prep step when you follow Intergrain decking oil instructions and want the new finish to grip evenly.
Use it on weathered decks, fences and outdoor timber before oiling or staining. Apply by brush, allow the full wait time and clean up with water.
Intergrain UltraPrep Tannin and Oil Remover 4L is a salts-based cleaner designed to remove tannins and natural oils from exterior timber surfaces, preparing them for coating.
It's a salts-based cleaner that removes tannins and natural oils from exterior timber, leaving the surface clean and ready to recoat.
It covers roughly 5m² per litre, so about 20m² from the 4L pack depending on the timber and how porous it is.
Apply by brush to the timber surface. Allow the 24-hour (1440 minute) wait time before recoating, and use only when the temperature is above 10°C.
Clean brushes and equipment with water.
No. UltraPrep is formulated for exterior use on outdoor timber such as decks and fences.






