Osmo One Coat Only HS Plus

Engineered for efficiency and performance, Osmo One Coat Only HS Plus is a high-solid, oil-based wood finish designed to deliver maximum protection with just a single coat. Thanks to its exceptionally high oil content, this product offers superior coverage and deep penetration, allowing you to complete projects faster while still achieving a durable, professional finish. Now available in a wide range of custom colours in a satin wood finish, HS Plus combines performance with design flexibility — making it ideal for both functional and architectural applications. Key Features One coat application – saves time, labour, and product Extremely high coverage due to high oil content Microporous, breathable finish – reduces swelling and shrinkage Water-repellent and weather-resistant UV-resistant pigments help slow down greying Will not crack, peel, flake or blister Satin finish that enhances the natural wood grain Low solvent content and free from biocides and preservatives Suitable for exterior applications including cladding, fencing, balconies, and timber structures. Not Made for decking. Coverage and Application Coverage: Approx. 26m² per litre (single coat) Coats: 1 coat only Drying Time: Approx. 10–12 hours (depending on conditions) Application Guidelines: Apply one thin, even coat using a brush or roller Do not over-apply — the high solid content ensures full protection Stir thoroughly before and during use Apply to clean, dry timber free from old coatings Always test on a sample area to confirm colour and finish Ensure good ventilation during drying, especially in humid conditions Custom Colour Options Through the Osmo Tinting System, One Coat Only HS Plus can now be custom mixed in thousands of colours, giving you complete design freedom without compromising on performance. Available colour ranges include: 68 Osmo colours 120 Elements® colours 190 RAL Classic colours 2050 NCS colours 100 BS 4800 colours All mixed locally in Cape Town — no minimum quantities, no guesswork. Why Choose Osmo One Coat Only HS Plus? If speed, coverage, and flexibility are key, HS Plus is the standout choice. Unlike traditional multi-coat systems, this advanced formulation delivers full protection in a single application — significantly reducing labour time and project costs while maintaining the premium performance expected from Osmo. Complete projects faster with a one-coat system Save on product and labour costs through high coverage Combine performance with full colour flexibility Deep penetrating protection that works from within the wood Easy maintenance — no sanding required, simply clean and recoat Made in Germany 🇩🇪 with precision and consistency HS Plus is designed as a true one-coat system, but application rate is key. Apply thinly and evenly — over-application can affect drying time and final appearance. Video Data Sheets Product Data Sheet Safety Data Sheet