Osmo UV-Protection Oil Tints - Grey - 427
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RackhamsRackhams Light/Grey Uv Protection Oil Extra - 3067 - Matt - 0.75 Litre
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Rackhams Uv Protection Oil Extra - Douglas Fir 427 - Matt - 0.75 LitreFree delivery in 1–3 days£35.25Visit shop →
Rackhams Uv Protection Oil Extra - Douglas Fir 427 - Satin - 0.75 LitreFree delivery in 1–3 days£35.25Visit shop →
Rackhams Light/Grey Uv Protection Oil Extra - 3067 - Matt - 2.5 LitresFree delivery in 1–3 days£91.46Visit shop →
Product Information
Full details
Osmo UV-Protection Oil Tints in Grey (427) are designed for homeowners and professionals looking to protect exterior timber from the damaging effects of sunlight and weathering. This specialized finish effectively slows the natural greying process of wood while providing a highly water and dirt-resistant barrier that helps regulate moisture and minimize swelling. While it offers superior protection for a variety of outdoor structures, it requires proper surface preparation to ensure the oil correctly penetrates the timber grain for optimal longevity.
All features
| Colour | Grey |
|---|---|
| Model Part Number | 427 |
| Brand | Osmo |
Extended Product Information
FAQs
Can I use this on indoor furniture?
This product is specifically formulated for exterior timber applications and is not recommended for indoor use.
Do I need to sand the wood before applying?
Yes, if the surface has old paint or varnish, you must sand it back to the raw timber to ensure the oil can penetrate.
How often should I reapply?
Maintenance depends on exposure levels, but typically once the surface appears dry or faded, a single maintenance coat is sufficient.
Is this finish transparent or solid?
It is a tint, meaning it allows the natural grain of the wood to show through while providing a grey color tone.
Can this be applied with a sprayer?
Osmo oils are best applied with a high-quality brush or roller to ensure the product is worked into the grain properly.
Will it prevent wood rot?
By regulating moisture and repelling water, it helps protect wood, though it is not a structural wood preservative treatment.
Troubleshooting
The oil is taking too long to dry
The coat applied was likely too thick. Wipe off excess oil and ensure proper ventilation to speed up the process.
Streaky finish after application
Ensure you are brushing along the grain of the wood and work in smaller sections to maintain a wet edge.
Finish is peeling
This typically occurs if the wood surface was not properly cleaned or if old varnish/paint was not fully removed before application.
Pros and Cons
Pros
- Significantly slows wood greying caused by sun exposure
- Highly water and dirt repellent
- Reduces wood swelling and shrinkage
- Easy to maintain without sanding
- Prevents cracking and peeling
Cons
- Requires careful preparation of raw wood surfaces
- Not suitable for use on non-absorbent surfaces
- Multiple coats may be required for full opacity
- Longer drying time compared to water-based finishes
Setup, Compatibility & Care
Before application, ensure the wood is clean, dry, and free from any previous coatings or waxes; if the surface has been previously painted, it must be sanded back to raw wood. Apply the oil thinly and evenly along the wood grain using a brush. Allow sufficient drying time between coats, ensuring good ventilation. For maintenance, simple cleaning with water is usually sufficient. When the finish eventually begins to show signs of wear, simply apply a fresh coat onto the cleaned surface without the need for extensive sanding, making it a low-effort solution for long-term timber upkeep.