
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 your outdoor terrace
The best way to finish your outdoor terrace is with Osmo Terras-Olie, optionally with Antislip Terras-Olie 430 as a top coat, because after rain a terrace dries more slowly than a vertical surface like a facade, which increases the risk of algae without the right finish.


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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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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Colourless, satin finish based on natural oils for exterior wood. Contains a special organic anti-slip additive with high density that is evenly distributed in the finish and provides an anti-slip effect when dry.
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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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The colourless Maintenance Oil for WPC and BPC penetrates into the surface and does not build up a layer on top. Through impregnation, the surface becomes water-repellent and resistant to dirt and stains.
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Refresh your deck in no time. This bundle contains everything needed to restore your greyed deck to the appearance you want.
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The Osmo WPC and BPC Cleaner (Composite Cleaner) is ideal for periodic cleaning of polymer composite surfaces. The Composite Cleaner has a coverage of 10 to 50 m². Use an Osmo Patio Brush with handle or the Osmo Patio and Floor Cleaner to clean the surface. Highly effective, intensive cleaner for removing organic and inorganic contaminants outdoors. Ideal for intensive cleaning of WPC decking, fences, and all other wood-plastic composites outdoors.
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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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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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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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Finish a wooden terrace with Osmo Terras-Olie, and where it can become slippery with Osmo Antislip Terras-Olie 430 as a top coat. A terrace lies flat, dries more slowly after rain than a facade and is walked on every day. That is why it needs an oil that penetrates deeply, repels water and lets the wood breathe.
Terras-Olie is made for wooden terraces, decking and garden furniture and protects against water and dirt. The pigmented versions also protect against UV light and slow down greying. The colours are named after the wood species they resemble, such as 006 Bankirai licht or 014 Massaranduba, but you can use them on any wood species. Apply two thin coats and always test a colour with a sample first. For your wood species, also take a look at bankirai or ipe.
If your terrace becomes slippery in the rain or lies in the shade, apply Antislip Terras-Olie 430 as a third coat, over two coats of Terras-Olie. Antislip never goes directly on bare wood, because on its own it does not protect enough against moisture. For steps, take a look at outdoor stairs.
Let new wood weather for at least six weeks, and make sure it is clean and dry before you start. Then apply two thin coats of Terras-Olie. One litre of Terras-Olie covers about 24 m² per coat. Rinse used cloths with water afterwards, because cloths with oil on them can catch fire spontaneously.
Clean the terrace periodically with Terrasreiniger in the mop water and brush along the grain. Never use a pressure washer, because it damages the wood fibres. If the wood has already turned grey, first remove the grey with Power-Gel. When renovating, apply no more than one thin coat of Terras-Olie. Read more in cleaning wooden decking.
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