
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 garapa outdoors
The best way to treat garapa outdoors is with Osmo Terras-Olie, because garapa's high density means it absorbs oil more slowly, so a second thin coat after the first gives the best result.


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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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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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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Finish garapa outdoors with Osmo Terras-Olie, for example in the colour 013 Garapa. Garapa is a hard, dense hardwood with a golden-yellow colour, widely used for terraces and decking. Without protection, it turns grey under the influence of sun and rain.
Terras-Olie protects against water and dirt. The pigmented versions also protect against UV light, so the golden-yellow colour lasts longer. The colour 013 Garapa resembles the golden-yellow shade of garapa, but you can also choose another colour; the colours are named after the wood species they resemble. A clear top coat makes the colour slightly less intense. Always test with a sample first.
Because of its high density, garapa absorbs oil slowly. So apply thin coats and wipe away excess oil after a few minutes. A second thin coat gives the best result. For extra grip on a terrace or stairs, apply Antislip Terras-Olie 430 as a third coat; it cannot be applied to bare wood.
Let new garapa weather for at least six weeks and then remove the greying. Treat greyed wood first with Power-Gel. Read more in decking oil. One litre of Terras-Olie covers about 24 m² per coat. Rinse used cloths with water afterwards, as cloths soaked in oil can self-ignite.
Clean the terrace regularly with Terrasreiniger in the mopping water and brush along the grain. Never use a pressure washer. When renovating, apply no more than one thin coat. Also see terrace, cumaru outdoors and bankirai outdoors.
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