How To Clean Composite Decking Boards. Strong and durable, all while delivering the timeless look of natural wood with none of the staining, splintering and water damage the organic wood presents. Mix some warm, soapy water into a clean bucket ready to wash.
For both scrubbing and pressure washing, make sure to completely rinse the deck with clean, preferably warm, water afterwards. On the other hand, when it comes to the best way to clean composite decking, the answer looks quite different from cleaning methods for natural decking. If your composite decking is of the uncapped variety, don't be tempted to use a pressure washer as it can damage the surface.
If there are flowerpots on your composite decking, place them in saucers that are large enough to catch any soil or water that may overflow so that it doesn’t touch the deck surface.
Dish soap is a great and affordable way to clean your deck. If your composite decking is of the uncapped variety, don't be tempted to use a pressure washer as it can damage the surface. To prevent damage always spray with the grain of the composite. Strong and durable, all while delivering the timeless look of natural wood with none of the staining, splintering and water damage the organic wood presents.