Osmo Wood Protector 4006 2.5L Treatment for woods prone to dampness and moisture Free Next Day Delivery!!!! An oil designed specifically for interior use. Osmo Wood Protector 4006 is a protective treatment for woods prone to dampness and moist i.e. bathroom and kitchen environments Wood Protector is a clear wax impregnation, extremely water-repellent and contains no organic biocides Number of coats: 1 coat is sufficient, a top coat from the Osmo Polyx product range must follow within 1 week of application Coverage: 1L covers approx 8m2 per coat.