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Osmo UV Protection Oil - Oak - 425

Osmo UV Protection Oil - Oak - 425

Osmo UV-Protection Oil is an exterior wood finish designed to slow the natural greying process of ...

Best current price£16.45from B&Q

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B&QB&Q - Uv-Protection Oil Tints (W/o Biocides) 425 Oak 125Ml
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£16.45
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RackhamsRackhams Red Uv Protection Oil - Cedar 428 - 125Ml
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Product Information

Full details

Osmo UV Protection Oil is an ideal solution for homeowners and professional woodworkers looking to protect exterior timber surfaces from the damaging effects of the sun. This penetrating, microporous oil slows the natural greying process of wood while providing excellent water and dirt resistance, making it perfect for doors, cladding, and garden furniture. While it provides a durable, professional finish that won't flake or peel, it is important to note that it requires proper surface preparation to ensure optimal penetration and protection.

All features

Model Part Number425
BrandOsmo

Extended Product Information

FAQs

Does this product prevent wood from turning grey?

Yes, it is specifically designed to slow the natural UV-induced greying process of exterior timber.

Do I need to sand the surface before reapplying?

No, one of the primary benefits of this oil is that it can be reapplied to cleaned, dry surfaces without the need for sanding.

Is it safe to use around my garden plants?

Yes, once the oil has fully dried, it is considered safe for plants, humans, and animals.

Can I use this on interior wood?

While this is specifically formulated for exterior use, Osmo offers specific ranges for interior applications that are better suited for indoor environments.

How many coats should I apply?

For best protection, we recommend two thin coats, allowing for proper drying time in between.

What should I do if I spill the oil?

Clean up spills immediately with a cloth and a mild solvent or professional wood cleaner before the oil begins to penetrate.

Troubleshooting

The oil is not absorbing into the wood

Check if there is an existing varnish or wax layer that needs to be removed via sanding.

The finish looks patchy or uneven

You likely applied too much product; ensure you are wiping away excess oil and working in very thin layers.

Slow drying time

Ensure the application area has adequate ventilation and check that the temperature is not too low, as cold and damp conditions significantly extend cure times.

Pros and Cons

Pros

  • Does not crack, peel, or flake over time
  • Easy to maintain with no sanding required for reapplication
  • Provides both water and dirt repellency
  • Safe for plants and pets once cured
  • Regulates wood moisture to prevent swelling

Cons

  • Requires careful surface preparation for best results
  • Not a film-forming finish, so it acts differently than traditional varnishes
  • Drying time can be affected by humidity and temperature

Setup, Compatibility & Care

Before applying, ensure your wood is dry, clean, and free from frost. If the wood has been previously treated with varnish or paint, that coating must be sanded off to allow the oil to penetrate. Apply the oil thinly and evenly along the wood grain using a high-quality brush or roller. Because the product is microporous, maintenance is straightforward; when the surface starts to show signs of wear, simply clean the area and apply a fresh, thin coat directly over the top—no sanding required. Always store the tin in a cool, dry place and ensure the lid is tightly sealed after each use to prevent skinning.

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