
Osmo UV-Beschermingsolie
Silk-matt, colourless protection based on natural oils for exterior wood.
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The best Osmo finishes for your outdoor post
The best way to finish your outdoor post is with Osmo UV-Beschermingsolie or Natuurlijke Olie-Beits, because ground contact is a post's most vulnerable point, and that's exactly the part that needs the most protection against moisture.


Silk-matt, colourless protection based on natural oils for exterior wood.
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Osmo Natural Oil Stain is an oil and wax-based product that creates a protective surface after treatment. The surface is then resistant to water, dirt, and sunlight.
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Osmo Country Colour is a product based on oils and waxes that creates a protected surface after treatment. The surface is resistant to water and dirt.
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Natural oil impregnation for natural stone and artificial stone. Ideal for protecting surfaces made of natural stone, engineered stone, and terracotta. The colourless, natural oil penetrates into the surface and does not form a film layer on top. By impregnating the surface with Stone and Terracotta Oil, it becomes water- and dirt-repellent as well as stain-resistant. Dust formation from screeds and concrete surfaces is significantly reduced.
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Osmo WR Wood Impregnation 4001 is now Osmo Wood Impregnation WR Aqua 4019 (an improved version).
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Osmo Transparent Wood Finish 000 is a colorless, semi-gloss wood treatment based on a natural oil base for exterior wood. The Transparent Wood Finish is porous, allowing the wood to breathe and reducing swelling and shrinkage. It is water-repellent and will not crack, chip, or peel. The Transparent Wood Finish penetrates deeply into the wood, smoothing the surface even with a single coat. A primer is not required.
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Thick specialist cleaner developed to clean and refresh greyed exterior wood.
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Osmo Endgrain Wax is ideal for treating the end grains of various outdoor wooden surfaces. By treating the end grains of your wood, you minimize swelling and shrinkage. The treatment also provides excellent protection. Osmo Endgrain Wax can be used on both soft and hard wood types, such as Bankirai, Teak, Massaranduba, Garapa, Pine, Spruce, Douglas Fir, Larch, and Cedar.
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The Osmo Resin Removal Kit is suitable for removing leaking resin from all exterior wood. The kit can be used for resin on both color-treated and colorless wood.
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Extremely weather-resistant and UV-protective wood finish for treating exterior wood. Osmo Opaque Stain is a breathable and water-repellent product. Once dry, the stain is safe for humans, animals, and plants, and is also suitable for treating children's toys such as playground equipment. Osmo Opaque Stain is suitable for treating almost all exterior wood, such as facades, fences, gates, garden sheds, garden furniture, and carports. The Opaque Stain is not suitable for patios and decking. Osmo Opaque Stain dries after just 3 to 4 hours. This means the wood can be treated with two coats in one day.
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Finish a wooden post with Osmo UV-Beschermingsolie or Osmo Natuurlijke Olie-Beits. Posts in a fence, pergola or carport are often exposed to wind and weather for years. The most vulnerable part is the base, where the post touches the ground or a post support, followed by the top, where rainwater can soak into the end grain.
UV-Beschermingsolie is made for vertical wood and is therefore well suited to posts. The oil protects against UV light with a factor of 12 compared with untreated wood. Apply two coats: one coat with colour followed by one coat of 420 clear, or two coats of 420. This keeps the wood grain visible and slows down the greying of the post.
Natuurlijke Olie-Beits is a primer and top coat in one and suitable for all outdoor wood. Apply two coats. Pigmented colours protect against UV, the clear 701 does not. Useful if you want the posts in the same colour as the rest of your fence or pergola.
A finish does not make a post suitable for long-term ground contact. So for posts in the ground, choose wood that is suitable for this, or place the post on a post support so the wood can dry. Give the end grain at the top extra attention, or cover it with a post cap. Read more in first aid for wood rot. One litre of UV-Beschermingsolie covers about 18 m² per coat. Rinse used cloths with water afterwards, as oily cloths can self-ignite.
Check posts every year at the base and the top. Clean with Terrasreiniger and never use a pressure washer. First remove the grey from weathered wood with Power-Gel.
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