
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 teak outdoors
The best way to treat teak outdoors is with Osmo Terras-Olie or Natuurlijke Olie-Beits, because without maintenance teak naturally turns silvery grey, so an oil is mainly for those who want to keep its original golden brown colour.


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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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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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 teak outdoors with Osmo Terras-Olie or Osmo Natuurlijke Olie-Beits. Outdoors, teak is mainly used for garden furniture. Without maintenance it naturally turns silver-grey, so a finish is mainly intended for those who want to keep the golden-brown colour.
Terras-Olie is made for wooden terraces and garden furniture and protects against water and dirt. The clear 007 Teakolie contains no pigment and offers no protection against UV; the wood is still cared for, but it continues to turn grey. If you want to hold on to the golden-brown colour, choose a pigmented version. Always test with a sample first. Also see garden furniture.
Natuurlijke Olie-Beits is a primer and top coat in one and suitable for all exterior wood. In the colour 708 Teak it gives a warm teak tone with protection against UV. Apply two coats.
If a piece of garden furniture has already turned grey, first remove the grey with Power-Gel. It removes the grey layer and green algae. Let new teak weather for at least six weeks. Wipe off excess oil after a few minutes, because teak naturally already contains oil. Read more in treating teak outdoors. One litre of Terras-Olie covers about 24 m² per coat, and one litre of Natuurlijke Olie-Beits about 26 m². Rinse used cloths with water afterwards, because cloths with oil on them can self-ignite.
Clean garden furniture with Terrasreiniger and never use a pressure washer. When renovating, apply no more than one thin coat. For teak indoors, see teak indoors, and for a comparable wood species, see afrormosia outdoors.
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