Osmo Decking Oil 2.5L - Black - 020

Product Information

Before you begin, you will want to ensure that the pigments have been properly mixed in, so give the oil a good stir. Cutek CD50 wood oil can be applied as a clear oil or mixed with 10 colour tones. It works to protect your timber from moisture damage and minimises warping, cupping, and splitting. This is an efficient and cost-effective option for most pre-treated timber and does a great job of preserving wood for up to two years.

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 TimeA range of interior and exterior wood oils suitable for any project and wood type. Includes traditional wood oils, Hardwax oils, wood oils with UV filters and more. 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.

It certainly sounds like it could be mould. I would recommend cleaning the surface with a good multicide such as this one; Protect interior and exterior wooden surfaces with the unrivalled durability of wood varnishes. A great range of clear and coloured formulations. 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 toAlways do a test area before starting any project to assess product suitability and final finish. Always follow the manufacturer's instructions on the tin.