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Care and Cleaning for your Composite Decking

Care and Cleaning for your Decking

Care and Cleaning for your Composite Decking

Although composite decking is a great low-maintenance option for your outdoor spaces, it still requires occasional cleaning in order to keep it looking at its best. The good news is that cleaning your composite decking couldn’t be easier. We recommend either purchasing a composite decking solution, or using hot and soapy water with a soft bristle brush. 

The perfect time to clean your decking is just after installation and then on a semi-annual basis. Spring and autumn are ideal seasons to care for your decking; just before you begin to use it throughout the warmer months, and then towards the end of the year, after it has seen plenty of use and enjoyment. This cleaning routine will help you to maintain the splendour of your decking year after year.

Read on for some more helpful tips on how to care and clean your composite decking…


Quality composite decking should be engineered from mould resistant materials, however if debris has been left on the decks surface, mould can begin to grow on top of this. For best results, use warm, soapy water with a soft bristle brush to remove the source of the mould.


Muddy footprints can cause your decking to look dull and lack lustre. This is particularly relevant if you have children or pets. The best cleaning method to remove mud is to spray the affected area with a hose to remove surface debris. You can then use warm, soapy water and a soft bristle brush to remove any remaining residue.

Food & Drink

All food spills should be removed as soon as possible. The surface must be cleaned within seven days to maintain the stain warranty. To remove, spray off with a hose and use warm, soapy water and a soft bristle brush to remove spills from embossing pattern.

Ice & Snow

You must be very careful when you are removing ice and snow, in order not to cause any damage. Try to brush the snow off with a broom and only use a plastic shovel (not a metal one) to ensure the surface of your decking isn’t scratched or dented. You can then use calcium chloride or rock salt to melt the snow and ice from the deck surface.

Using a Pressure Washer

It is safe to use a pressure washer on composite decking, as long as you ensure that the equipment does not exceed 3000psi of pressure, and that it is used at least 30cm away from the decking. A fan attachment and soap dispenser are best for routine cleaning. Spray your decking with a soap layer and then use a soft bristle brush to clean any areas with a build-up of dirt. Then thoroughly rinse away with water, using the fan attachment.


Now you know how to take good care and clean your composite decking, why not browse through our eye catching range of composite decking, which is supplied by Trex - a leading decking brand and the inventor of timber-alternative composite decking.