Boat polish
A wooden boat requires the right protection against sun, water, algae, and wear. With Osmo UV Protection Oil for vertical parts and Osmo Deck Oil for the deck, the wood stays beautiful and lasts longer. The natural oils protect effectively and make maintenance simple, without the need to sand when applying a new coat.

Products in this knowledge item;
What is the best protection for a wooden boat?
Varnishing a boat can be challenging and time-consuming, but boat varnish is also important for protecting the boat. In fact, boat varnish is essential if you have a wooden boat. This ensures that your boat retains its color and protects the wood. Therefore, choose Osmo UV protection oil for vertical parts of the boat and treat the boat deck with Osmo Terrace Oil. These products are based on vegetable oils and are available in various colors. The advantage of Osmo is that you do not need to sand before applying a new coat. Simply clean and apply a new layer.
Benefits of UV Protection Oil
- With protective film layer against UV rays
- Slows down the graying process with UV SPF 12
- Ideal for all vertical wooden surfaces
- Based on natural, plant-based oils and waxes
Why boat polish?
A boat is exposed to many external influences. For this reason, it is important to properly protect the boat's wood. Both the exterior of the boat and the deck should be treated to prevent problems. Therefore, choose a product that is suitable for the type of wood you are dealing with. UV protection oil prevents graying. Wood can change color if exposed to sunlight for an extended period. The UV protection oil should only be applied to vertical wood, such as the mast, the steering wheel, and the exterior of the boat. For horizontal parts such as the deck, Osmo Terrace Oil is the right product. Additionally, Osmo offers Terrace Oil Anti-Slip. This product is ideal, among other things, due to its anti-slip effect, which reduces the risk of slipping on board. Furthermore, the products protect against algae and mold, and of course, against water.
Products for varnishing a boat
Boat paint matt
Would you like to give your boat deck a matte look? Then choose the Natural Oil Stain colourless 701 matte. This product provides a matte finish. Are you ready for something different? Then you can also choose a completely different colour. A matte varnish is a good choice if you want to give your boat deck a subtle look. The product is easy to apply to your boat deck or patio.
Boat varnish satin finish
If you want to give your patio or boat deck a glossy look, a transparent varnish from Osmo is very suitable. Apply the Osmo UV protection oil to vertical wood and always paint along the grain of the wood for optimal results. Once the varnish has dried, you will get a beautiful glossy effect. Is the wood somewhat older and already greyed? Then treat it first with the wood degreaser so that the wood looks like new again after you have also treated it with the boat varnish. Clear boat varnish
Applying clear boat varnish is useful if you want to preserve the current color. This varnish is transparent. A patio oil combined with a UV-protective oil will ensure a beautiful result, allowing your boat to continue sailing for a long time without the risk of algae or mold. This way, your patio or deck will last 3 to 6 years. Check once a year to see if everything is still in order and apply a new coat if necessary. Always ensure that the wood has a maximum moisture content of 20% before treating it.
Opaque boat varnish
Are you looking for an opaque product to treat your boat? Then use Osmo Country House Paint. This ‘paint’ is suitable for treating wood with an opaque finish and is available in 21 different colors.
Best boat varnish
The best way to varnish a boat is to start with Osmo patio oil. You apply this product to the deck or patio, and it provides long-lasting protection. The wood is now no longer susceptible to mold, algae, and dirt. Next, it is recommended to use Osmo UV protection oil, as this has a protection factor of 12. This means that the boat is now 12 times better protected against the sun than before you applied the product. With this

Need help with your DIY project?
Are you looking for a tutorial or do you have a technical question?
DIY help needed?
find a step-by-step guide for your project in our tutorial overview
