Top Strategies for Maintaining Your Composite Decking
Learn effective methods to maintain and extend the life of your composite decking. This guide covers cleaning routines, winter care, stain removal, and mold prevention, ensuring your deck stays beautiful with minimal effort. Proper upkeep not only enhances appearance but also prolongs the lifespan of this durable outdoor surface.

Composite decking offers strength, resilience, and a stunning appearance, making it a popular choice over traditional wood. Made from a blend of recycled plastics and wood fibers, these decks are relatively low-maintenance but still demand regular care to keep them looking their best. Neglect can lead to small issues developing into serious problems. To preserve the durability and beauty of your composite deck, follow these essential maintenance tips:
Clear dirt and debris Regularly spray the surface with a hose and scrub with warm soapy water for composites like Trex. Use a soft brush to remove grime without damaging the surface.
Employ pressure cleaning techniques When using pressure washers, keep the PSI below 1300 and maintain an 8-10 inch distance from the deck to prevent surface damage.
Clean with a broom Remove fallen leaves and dirt with a broom. For stubborn tannins, apply a deck brightener containing oxalic acid after sweeping, following manufacturer instructions.
Handle snow and ice carefully Use a plastic shovel to avoid damaging the surface and apply calcium chloride to melt ice, ensuring safety and surface integrity during winter months.
Tackle spills immediately Clean food or oil spills promptly with soap and water, preventing stubborn stains from setting in.
Eliminate mold and mildew Remove mold buildup with a mixture of soapy water and a brush or use specific cleaning products designed for mold removal. Regular cleaning minimizes mold growth caused by pollen and soil accumulation.
Regular upkeep of your outdoor composite deckes critical for longevity. Start cleaning right after installation and maintain a routine to ensure your deck remains attractive and durable for years to come.