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Osmo UV Protection Oil Extra is designed for homeowners and DIY enthusiasts looking to protect and enhance the natural beauty of exterior wood surfaces like doors, windows, cladding, and fences. Its key benefit is providing a clear satin-matt finish that offers superior protection against moisture, fungal attack, and the greying effects of UV radiation, while allowing the wood to breathe. A key consideration is that it works best when applied over a colored base coat for optimal UV protection.
| Model Part Number | 420D |
|---|---|
| Brand | Osmo |
The primary benefit is its enhanced protection against the greying effects of UV radiation, offering a UV protection factor of 12, while also protecting against moisture, mould, algae, and fungal attack.
For future applications, sanding is generally not necessary. However, ensure the surface is clean and dry. If applying to a previously finished surface that is heavily worn or damaged, light sanding might be beneficial.
This product is specifically designed for exterior wood applications. For interior wood, Osmo offers a range of specialized interior finishes.
The longevity of the protection depends on exposure to weather conditions. Typically, reapplication is recommended when the water-repellency diminishes or signs of wear appear, which can range from 1-3 years depending on the environment.
UV Protection Oil Extra offers significantly higher protection against UV radiation and greying compared to the regular UV Protection Oil. It is also richer in active ingredients to guard against mould, algae, and fungal attack.
It is not recommended to apply directly over existing paint or varnish. The surface should be clean, bare wood or previously oiled wood. If painting or varnishing, ensure those coatings are removed first.
Clean regularly with water and a mild detergent. For more intensive cleaning, use Osmo Wash and Care. Avoid harsh abrasive cleaners.
Ensure the oil was applied thinly and evenly. Avoid over-application. If the finish is still wet, try to gently smooth out any brush marks with a clean brush. For dried finish, light sanding may be required before reapplying.
This product is most effective when applied over a colored base coat. Ensure two coats of UV Protection Oil Extra have been applied if used on bare or previously oiled wood without a color base, and that sufficient drying time has passed between coats.
Ensure the product has been thoroughly stirred. In colder temperatures, the oil may thicken slightly; consider applying in a warmer environment or very slightly thinning with Osmo Thinner (product number 800) if absolutely necessary, though this is generally not required.
The oil may not have fully cured, or the protective layer may need reapplication. Ensure adequate drying time has passed according to the product's instructions. If the wood absorbs water, it is time for a maintenance coat.
Preparation:
Ensure the wood surface is clean, dry, and free from dust and grease. For optimal results and enhanced UV protection, a colored base coat such as Osmo Natural Oil Woodstain or Osmo Country Colour is recommended. If the wood is already finished, ensure it is clean; sanding is generally not required for future applications of this product.
Application:
Stir the product thoroughly before use. Apply a thin, even coat using a natural bristle brush or a pad applicator. Work in the direction of the wood grain. Allow the first coat to dry completely (typically 24 hours, depending on ventilation and temperature).
Apply a second coat. If using as a top coat over a colored base coat, apply one coat of Osmo UV Protection Oil Extra. If applying to already oiled or untreated wood and desiring UV protection, two coats of the UV Protection Oil Extra are recommended, with a base coat of a colored Osmo wood oil for superior protection.
Compatibility:
Osmo UV Protection Oil Extra is suitable for all types of wood used in outdoor areas. It is compatible with other Osmo oil finishes. Avoid applying over other types of finishes (e.g., lacquers, paints) unless properly prepared.
Care:
Regular cleaning with a mild detergent and water is recommended. For stubborn dirt, use Osmo Wash and Care. Reapplication is simple; clean the surface and apply a fresh coat as needed, typically when signs of wear appear or water no longer beads effectively. Future applications do not require sanding.
