Rackhams UV Protection Oil Extra - Black - 3075

Osmo UV Protection Oil Extra provides a durable, matt finish for exterior timber, offering excelle...

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RackhamsRackhams Black Uv Protection Oil Extra - 3075 - Satin - 0.75 Litre
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Product Information

Full details

Rackhams UV Protection Oil Extra (3075) is a high-performance protective coating designed for exterior timber surfaces, making it an ideal choice for homeowners and professionals looking to protect outdoor joinery like doors, window frames, and furniture from weathering. It provides a durable, matte black finish that is highly resistant to UV rays and moisture, though users should be aware that proper preparation of the timber is essential to ensure the oil penetrates correctly for long-lasting protection.

All features

ColourBlack
Model Part Number3075
BrandRackhams

Extended Product Information

FAQs

Does this oil require a primer?

No, this is a penetrating oil and does not require a separate primer when applied to bare, clean wood.

Can I use this on decking?

This product is formulated primarily for vertical surfaces like doors, windows, and cladding. Always check the specific recommendations for horizontal, high-traffic surfaces.

Is the finish glossy?

No, this product provides a durable, matte finish.

How often should I reapply?

Reapplication depends on exposure levels; however, because it is easy to maintain, you can simply apply a new layer when the finish begins to lose its luster.

Is it safe for my pets?

Yes, once the oil has fully cured, the finish is safe for humans, plants, and animals.

Can I apply this over a painted surface?

No, the paint must be removed completely via sanding or stripping to allow the oil to penetrate the wood fibers.

Troubleshooting

Oil is not drying after 24 hours

High humidity or low temperatures can slow curing. Ensure the area is well-ventilated and avoid applying during damp weather conditions.

Surface looks patchy

This often occurs due to uneven absorption. Ensure the timber was sanded uniformly and apply a second, light coat once the first is fully dry.

Finish is peeling off

Peeling usually indicates the oil was applied over a previous non-compatible film-forming finish. Strip the old coating and re-apply to clean, bare wood.

Pros and Cons

Pros

  • Resists cracking, peeling, and flaking
  • Easy to maintain and reapply without sanding
  • Provides excellent weather and UV protection
  • Safe for use around garden plants and pets after drying
  • Regulates wood moisture to minimize structural movement

Cons

  • Requires dry, clean wood for effective application
  • Matte finish may require specific cleaning agents to maintain appearance
  • Dark color may show dust more prominently than clear finishes

Setup, Compatibility & Care

Before application, ensure that the timber surface is clean, dry, and free from frost. If the wood has been previously treated with a film-forming finish, you must sand or strip it back to the bare wood. Apply the oil thinly using a brush or roller, ensuring it is worked well into the surface. For routine care, simply clean the surface with a damp cloth or a mild, wood-friendly cleaner. When the finish begins to look worn after several years of exposure, you can clean the surface and apply a fresh coat directly over the top without the labor-intensive process of sanding down the existing finish.

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