How To Clean Composite Decking Wood And Plastic. These two foundation materials are added with additives, bonding agents and pigments to provide a decking. Keep a safe distance between the power washer and the deck surface.
Use a soft bristle brush to scrub the decking (or a pressure sprayer) to loosen any trapped dirt and debris between the joints and remove any mold or grease. With our installation guide, you will know how to handle your wood plastic composite decking. On average, one gallon diluted with one part cleaner to three parts water will clean approximately 1,000 square feet of surface area.
We recommend staying a minimum of 6” away from the surface.
When shoveling snow on your composite decking, make sure that your shovel has a plastic blade, which will minimize the chance of scratching the surface of your deck. Instead, use an oxygenated cleaner that can reach deep into the material and clean the inside of the deck. When cleaning your deck, make sure you only use oxygen bleach and not chlorine bleach, which can compromise the structural integrity of your wood deck. They also clean up nicely with soap and water if needed.