
Osmo Terras-Olie
Osmo Decking Oil is a product based on oils and waxes that creates a protected surface after treatment. The surface is resistant to water, dirt and the sun.
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The best Osmo finishes for ayous outdoors
The best way to treat ayous outdoors is with Osmo Landhuisverf or UV-Beschermingsolie, because ayous is naturally less weather-resistant than most decking wood species, so the finish makes the biggest difference here.


Osmo Decking Oil is a product based on oils and waxes that creates a protected surface after treatment. The surface is resistant to water, dirt and the sun.
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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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Highly effective concentrate for cleaning untreated or oiled wood. Quick and easy to use.
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Thick specialist cleaner developed to clean and refresh greyed exterior wood.
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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 ayous outdoors with Osmo Landhuisverf or Osmo UV-Beschermingsolie. Ayous is a light, soft wood species that is naturally not very resistant to weather and moisture outdoors. This is exactly where the finish makes the difference, so choose a product that seals the wood well against sun and rain.
Landhuisverf is an opaque oil-based paint for exterior wood, such as facades, sheds, shutters and fences. The paint covers the colour, but the wood structure stays visible. It does not flake or crack, and you can touch it up without sanding, straight over the old coat. There are 21 colours, which you can also mix with each other. Also see shutters and shed.
If you want to see the light wood structure, choose UV-Beschermingsolie for vertical wood. Apply two coats: first a coloured coat followed by a coat of 420 clear, or two coats of 420. The colour 429 Natural keeps light wood light. UV-Beschermingsolie is not suitable for horizontal wood such as a terrace.
Also treat the sawn edges and the back of the boards, because that is where soft wood absorbs moisture fastest. Rough-sawn wood absorbs more product than planed wood. Always test a colour with a sample first. For facade cladding, read more in treating shiplap cladding. One litre of Landhuisverf covers about 26 m² per coat.
Check ayous every year on the sides exposed to sun and rain. Touch up an opaque finish locally with a new coat of Landhuisverf. Remove green algae with Terrasreiniger; never use a pressure washer. For facades, also see facade cladding.
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