Clear Protection for Vertical Structures
- Very water and dirt resistant
- Reduces wood swelling and shrinkage
- 410 Clear is safe for humans, plants and animals once dry
- 420 Clear contains biocides to resist the growth of algae, mildew and fungal attack
- Microporous, breathable finish – does not crack, peel, flake or blister
- No sanding necessary for future applications
Osmo Flat Brush or Microfibre Roller
Vertical wood surfaces in outdoor areas
One coat, when signs of wear become visible
5ml, 125ml, 750ml, 2.5L, 10L
Osmo Brush Cleaner
18m²/L with one coat
Osmo Spray Cleaner (Exterior)
Wood surface must be clean, dry and frost-free (moisture content max. 20%).
Osmo UV-Protection-Oil Exra is ready to use. Do not thin. Stir well before use.
If possible, please apply the first coat to all sides before installation.
Fresh wood, containing natural wood extractives and especially hard wood needs to weather off (for approximately 6 weeks) after installation. Thereby the wood becomes absorbent and the wood finish adheres optimally.
A coloured base coat is recommended, e.g. Osmo One Coat Only, Natural Oil Woodstain or Country Colour.
For renovations, clean old microporous wood finishes thoroughly. Degrey any already greyed wood with Osmo Wood Reviver Power-Gel before applying Osmo Clean old microporous stains thoroughly.
Old paints and lacquers must be completely removed.
As a general rule, wear a dust mask during sanding works. Do not sand smooth surfaces finer than P120.
The finished surface is influenced by several factors, including the condition of the wood. Therefore, a trial application is always required, especially for unfamiliar surfaces.
If additional protection against blue stain, rot and insects is desired, pre-treat the wood if possible on all sides with Osmo WR Base Coat.
Method of Application
With Osmo Flat Brush or Microfibre Roller, apply thinly along the wood grain and spread well.
Allow to dry for approx. 12 hours under good ventilation. Then apply the second coat.
When recoating colour treated surfaces, or for renovation works, one coat applied to the clean and dry surface is usually sufficient.
Oils enhance the natural tone of wood (permanent wet effect).
Depending on the degree of weathering, apply one coat of Osmo UV-Protection-Oil Extra to the cleaned and intact finish after approx. 3-4 years.
For areas exposed to strong weathering, such as weatherboard, post caps or window sills, please expect significantly shorter renovation intervals. Vertical elements mounted onto horizontal wood should have at least a 15 degree angle. Sharp edges must be rounded (radius > 2 mm).
If the greying process has already begun, degrey the surface with Osmo Wood Reviver Power Gel and refinish with 2 coats of Osmo UV-Protection-Oil Extra.
To achieve the UV protection factor 12, it is necessary to apply 2 coats of UV-Protection-Oil Extra. With only one coat on untreated wood, the life of the coating is significantly shorter.
Using power washers will severely decrease the coverage of the finish and general or multi-purpose cleaners will increase the frequency of maintenance and recoating.
Regular Cleaning: Damp cleaning with Osmo Spray-Cleaner.
Occasional Maintenance: If necessary, intensive cleaning and refreshing using Osmo Wood Reviver Power Gel or Osmo Gard Clean.
Recoating: Simply re-apply one coat onto the clean and dry surface when signs of wear become visible.
For all other wood types not mentioned, always trial apply first.
- Thermowood and Thermally Modified Timber (TMT): prone to grey very fast and therefore application is recommended within the first two weeks after processing. Decking-Oil 010 Thermowood is optically suitable.
For the following wood types, WR Base Coat is recommended before use.
- Douglas Fir
Recommended After Weathering Period
For the following wood types, a weathering period is recommended. New or sanded wood requires at least 12 weeks (approximate) exposure to the exterior elements before application.
After the weathering period, it’s generally recommended to de-grey the surface with Osmo Wood Reviver Power-Gel and clean the surface from the extractive content before application, always trial apply!
For all other ingredient-rich hardwood species not mentioned may require a varied period of exposure. Please contact us for further information.
- Pressure-Impregnated Pine
- Sapele: 3-4 weeks exposure
- Larch: 2 weeks exposure. Application of WR Base Coat is recommended before use.
- Green Oak: moisture content is often above the maximum 20% recommended.
- Idigbo: contains yellow dyes which leaches when the wood becomes wet and stains when in contact within iron.
- Other: woods treated with a varnish, lacquer or other surface coatings must be completely sanded before use.
OSMO FLAT BRUSH
Made with high quality synthetic bristles with soft tips which gives fine control in achieving the desired effect. Exceptional coverage capacities which produce professional looking results every time. Available in 25, 50, 60 and 100 mm sizes.
OSMO SMALL ROLLER SET
Microfibre roller and 60mm natural bristle brush set to ensure high coverage allowing you to apply thinly, thoroughly and evenly along the wood grain and spread well. For first application, two coats is recommended onto a clean and dry surface. For renovation, just one coat is necessary.
- For ingredient-rich wood species (such as Cedar, Iroko, Teak, Mahogany etc.) – please allow minimum 12 weeks exposure in situ to the outside elements prior to application.
- UV-Protection Oils are recommended only for vertically structured timber (drip angle min. 10º) to enable the rain to drip off rather than stay on the wood’s surface for prolonged lengths of time.
- Over application and/or low ventilation can increase the drying times.
- The high-energy UV rays of the sun destroy the lignin in wood: it greys. Up to now, only wood finishes with colour pigments could possibly prevent this effect. With Osmo UV-Protection Oil, you have the possibility to protect your wood almost invisibly. UV-Protection Oil contains special ingredients that stall the greying effect by 12 times (UV factor 12). For a reliable UV protection, the wood finish must be applied more generously than other wood stains from Osmo.
- Recommended application amount is approx. 55 ml/m².
- So that no micro-organisms, like mould, algae or moss, can stick to a wood finish and cause unsightly discolourations, biocidal active ingredients for a superficial film protection can be added.
- Biocidal ingredients are fine-tuned exactly so that a harmful effect for people can be largely eliminated. Yet, many consumers prefer wood finishes without biocides, if it is not necessary.
- Therefore, Osmo also offers UV-Protection Oil without biocides (410 Clear).
- Oak contains a high acid content within its natural tannins and as a result causes the timber to blacken during exposure to cold and moist environments – especially during the winter periods.
- More frequent care and maintenance is required, particularly in its first couple of years of exposure to the elements, to maintain its decorative appearance.
- Many wood species contain water-soluble coloured extractives which may leach out naturally when weathered.
- Approx. coverage: 18m²/L with one coat
- No. of coats: 2
- Application temperature: +5°C to 35°C
- Drying time: 12hrs.
- Sizes: 0.125L, 0.750L, 2.5L
All exterior woods grey into a patina colour over time, but UV-Protection Oil has been developed to maintain the wood’s natural colour and slow the greying process by (UV factor) 12 times in comparison to untreated wood.
Ideal for windows, doors, cladding, fencing and other vertically structured joinery (not recommended on flat surfaces such as decking).
Natural oil-based and microporous finish does not crack, flake, peel or blister. Water and dirt resistant, moisture regulating and reduces wood swelling and shrinkage.