PatM

Dear Mr. John Orr: Trex decking does not need to be sealed for protection. But if you decide to seal the deck, we first recommend that the deck is thoroughly cleaned and dries. We have cleaning suggestions listed on our website. Trex decking can be sealed using the recommended protectors from the following companies of: - Problem Solving Corporation - Sun Frog Protective Products for Exterior Surfaces - Rhino Hide All Weather Armor Please contact me if you have any further questions. Pat M - Trex

Dear Mr. Rick Petry, Our precautions on power washing are listed on our website as well as our specifications. Gapping is very important and is addressed at length. Trex decking must be gapped, both end-to-end and width-to-width. Gapping is necessary to facilitate proper drainage and for the slight thermal expansion and contraction of the Trex decking boards. Another reason for gapping is to account for shrinkage of the wood joist system. Our gapping requirements are listed in our Installation Guide as well as on our website. You are definitely correct that ponding water will breed mold and mildew. If you have any further questions, please feel free to contact me directly. Pat M Trex Company

Dear Mr. Daniel Tambasco, I am a representative of Trex and would like to comment on cleaning mold and mildew. Periodic cleaning of Trex decking will remove dirt and pollen that can feed mold. We do make recommendations of cleaners that are effective in removing mold and I would be happy to provide that information. We do not recommend power washing as it may cause damage to the deck. Please contact me diretly to discuss further. Pat M Trex Company