The Cuprinol Wood Preserver Clear delivers colourless, deep-penetrating protection for sound timber across interior and exterior applications. Engineered as a general-purpose basecoat before painting, staining or varnishing, this water-based formula provides essential defence against decay, rot and fungal damage. The advanced formulation actively prevents deterioration from mould and blue-staining fungi, ensuring long-term timber integrity in demanding conditions. Suitable for occasionally wet interior wood or areas with condensation risk, the preserver offers comprehensive protection without altering the natural appearance of the surface. Application requires two coats with 2-6 hours drying time between coats depending on surface nature and weather conditions. The low VOC water-based formula allows simple cleanup with water after removing excess product with a cloth. Complete drying is achieved within 16 hours under typical conditions. Features & Benefits: Colourless preserver for interior and exterior timber applications without altering wood appearance. Deep-penetrating protection actively prevents rot, decay, mould and blue-staining fungi. Water-based formula with low VOC level for safer application and simple water cleanup. Designed as a basecoat before painting, staining or varnishing operations. Suitable for all wood surfaces including occasionally wet interior wood or areas with condensation risk. Drying Time: 16 hours depending on surface nature and weather conditions. Drying Time Between Coats: 2-6 hours. VOC: 41.8g per litre.