Osmo Decking Oil 2.5L - Black - 020

Product Information

This period is often around 10 – 12 weeks and can allow the wood to start to silver some, it depends very much on the time of year and level of exposure to the wood. You may find that it this time of year you may get away with minimal fading as we go through the winter. And the wood may then be ready for application come the Spring. Before you begin, you will want to ensure that the pigments have been properly mixed in, so give the oil a good stir.

Resinous wood, such as Larch or Douglas Fir, needs to weather off for at least 6 weeks to improve absorbency. Pressure impregnated wood and tropical species like Massaranduba, Bangkirai, Garapa, Iroko need to weather off for at least 3 months. Cedar requires a 3 month weathering period to improve absorbency. As you have a dog I would recommend considering an oiled finish, this will be far easier to maintain over time, oils soak into the wood surface and so is less likely to be effected by claw marks, and even if it is, you can simply patch repair and the oil will blend well. Oils are also easy to maintain as they wear, simply ensure the surface is clean and dry and then you are able to apply a top up coat when needed, usually around 1 or 2 years down the line, depending on use. Only apply in double figure temperatures and when the weather is set to be dry for at least the minimum drying time displayed on the tin. Single figure temperatures, damp or wet conditions could adversely affect the application and final finish of the product When you start adding a little colour, the factor increases, so a light or natural oak for example will bring you up to a 20 – 30 factor and then a dark oak, rosewood, or dark brown will bring you up to a factor 50. This is the best way to maintain the natural colour of the wood over time, but of course if you don’t want to add colour then a clear oil with UV stabalisers will require annual top up.

Clean and sand old microporous stains and completely remove old varnishes before application. Sanding to finishing grades of no more than a P120 grit is recommended. If this is the first time you have oiled/used a particular product it is best to patch test a small area to see how much oil needs to be applied for it to soak into the wood. What if straightening the boards just isn’t going to fix the issue? You might have to replace the warped boards altogether, in which case here’s a link to

Always do a test area before starting any project to assess product suitability and final finish. Always follow the manufacturer's instructions on the tin.After the weathering period, it is generally recommended to clean the surface from the extractive content. Osmo Wood Reviver Power-Gel can be used to refresh the colour of the wood. If necessary and before application, de-grease the dried surface with Osmo Brush Cleaner and Thinner (degreaser), always trial apply!

If you keep up with regular maintenance there should be no need to retreat with the reviver, but if you do need to use it again in the future the oil will need to have worn away or you can use a pressure washer to remove the last of it. Non-water based oils penetrate into the wood fibre and protect the material from water damage and other elements. Non-water based oils provide similar protection to water based oils and but require a longer drying time between coats. However, these oils generally turn the timber a darker shade of colour, similar to wet wood. Two examples we recommend are CUTEK ® CD-50 and Intergrain Natures Timber Oil. We will be happy to organise an exchange for the correct goods at no extra charge to yourself, please get in touch to organise this. Faulty ItemsFor the following wood types, a weathering period is recommended. Depending on wood species, new or freshly sanded wood requires up to 12 weeks (approximate) exposure to the exterior elements before application. Species with a high content of natural wood extractives will need to weather off, usually for 4 weeks minimum. Alternatively clean with Osmo Brush Cleaner and Thinner to degrease. As always, read the instructions on any product you buy and follow them. Generally, though, you can expect to apply two coats to achieve fresh and well-oiled looking results. Application and Drying Time Also oiled finishes although dry and ready to use after 24 – 48 hours continue to cure and get more durable for days and weeks following application. Covering will prevent the natural curing process from occurring and this is one of the reasons we do not recommend putting rugs over and oiled floor for the first month. 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.