Osmo UV-Protection-Oil is a satin, clear finish for exterior. It is based on natural oils, is microporous, and does not crack, flake, peel or blister.
When used as a final finish after staining wood, Osmo UV-Protection-Oil prolongs the renovation time significantly.
A solitary finish, with two coats, it delays the greying process on vertical surfaces by UV-Protection factor 12 in comparison to untreated wood.
Easy to renew, no sanding or primer necessary. Easy to apply, will not dry during application.
When dry, the finish is safe for humans, animals and plants and is suitable for children's toys as per EN 71.3 (European norm) and resistant to perspiration and saliva in accordance with DIN 53160 (German industrial norm).
For all vertical exterior woods (dimensionally and non-dimensionally stable): doors, windows and windowsills, carports, timber cladding, balcony, screens & fences, pergolas, garden houses and furniture.
Shelf life is 5 years or more if can is tightly closed. Store in a dry place. If thickened by frost it will regain a normal consistency under normal temperatures within 24 - 36 hours.
Wood surface must be clean, dry and frost-free (maximum moisture content 20 %). Osmo UV-Protection-Oil is ready to use, please do no thin, stir well before use. Clean old microporous finishes thoroughly. Remove old varnishes.
Please do not sand even surfaces finer than P 120. Always wear a dust mask when sanding.
We recommend to apply a first coat with a pigmented oil such as One Coat Only, Natural Oil Wood Stain or Country Colour.
If additional protection against blue stain, rot and mildew is required for outdoors pre-treat (if possible from all sides) with Osmo Base Coat WR *
* Use biocides safely. Always read the label and product information before use.
Apply evenly along the wood grain with either an Osmo Natural Bristle Brush or the Osmo Microfibre Roller, and spread well.
Allow for good ventilation whilst drying.
Apply a second coat as before.
When applying on an already pigmented surface or when renovating 1 coat of the UV-Protection-Oil is enough.
Make sure that the surface has been cleaned upfront.
The finished surface is, among other things, influenced by the wood's natural characteristics, therefore a trial application is required before finishing.
Cleaning of tools
Clean working utensils with Osmo Brush Cleaner (benzene-free).
Approx. 12 hours (normal climatic conditions, 23°C/50 %, normal humidity). Lower temperatures and/or high humidity can increase the drying time.
Note: Tropical hardwoods or oily wood species must be weathered prior to application.
Depending on the level of weathering apply 1 coat of Osmo UV-Protection-Oil after approx. 3-4 years on the cleaned and intact finish.
In general, one has to take a shorter renovation time into account when:
- Surfaces are exposed to extreme weathering.
- Using exotic wood species.
- Surfaces where water cannot drain (horizontal surfaces) such as deckings, post caps, garden chairs (furniture) and windowsills.
The UV-Protection-Oil Extra is unsuitable as a solitary finish for deckings. There should be a minimum 15 degree angle on architectural joinery on the horizontal. Sharp edges have to be rounded (corner radius > 2 mm). If the greying process has already begun revive the surface with the Osmo Wood Reviver and re-apply 2 coats of the Osmo UV-Protection-Oil. In order to achieve UV factor 12, it is very important to apply the UV-Protection-Oil twice. When only 1 coat has been applied on an untreated wood, the durability will be reduced significantly. Owing to the high oil content the clear UV-Protection-Oil shows a light yellowing effect when used as a final finish on white stained surfaces. Therefore, we recommend using the Natural Oil Woodstain 900 white as a final finish for already white stained surfaces. Oil enhances the natural tone of wood (wet look).