Any exterior surface can become slippery, especially where there has been a build up of algae. This is one of the reasons we recommend customers gently wash and then brush their decking twice a year. We stock a range of Osmo, Rustins and Liberon products which penetrate into the timber to help preserve the timber and then provide a surface coating to minimise absorption of moisture and UV damage.
New decking boards normally have a light green tinge to them this is from the pressure treatment process, this green colour gradually changes into a more mellow light brown colour and then to a dull grey. This discolouration is primarily caused by UV rays. Some customers prefer to keep this mellow grey finish. This is no indication of pressure treatment deteriorating, its just the pigment in it fading. We advise that some form of deck oil is applied at this point regardless to help reinforce the pressure treatment and creates an additional UV barrier.
Anyone with a hardwood deck can follow pretty much the same advice. However because of the density of hardwood it is recommended to leave the boards for 3 to 6 months before treatment.
While we can’t stop the rain we can help slow down its effects. Timber is a natural product and absorbs moisture from the surrounding air, this means timber tends to expand when wet and shrink when dry. In the summer months this can lead to deck board cracking on the surface. Applying decking oil on a regular basis will help inhibit the growth of algae in turn the risk of slipping is also reduced and keeps the boards looking fresh.
We also stock Rustins Textured Decking Oil this can be applied on new or old decking, in areas which have become slippery.
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