We too experienced the same whitening on both the Mtn Cedar and Desert Bronze within months of installation getting progressively worse late spring and early summer of this year. Timbertech had told us this was "unusual" and sent us out the same band aid for a broken leg fix as well. Shortly after contacting Timbertech about our "unusual" problem we received Deck Max Green (DMG) and applied it in a couple small areas on both the MTN Cedar and the Desert Bronze. Initially seemed like a miracle fix, but having a fair amount of experience in wood restoration and coatings I was content to sit back and wait and see. To my surprise the product failed quicker than I expected only lasting about 3 weeks before seeing the whitening begin to show through once again. The next proposed solution was The Deck Max Enhanced (DME) with extended UV protection that was apparently manufactured with Timbertechs participation. I wondered, if this was such an "unusual" circumstance, why have they worked with this company to develop such a product, just in case? Anyway, received the DME shortly thereafter and applied to one each of MTN Cedar and Desert Bronze boards on the steps. Again, initially seemed to be like magic, unfortunately before we could "wait and see" a rep from Timbertech wanted to do all 900 square feet of decking as a gesture of "good faith" to show they cared about our problem and wanted to help put our concerns to rest. I fully believe that based on past experiences they believed this would solve the problem and we would just be OK with that, NOT SO. within 1 week of applying DME the blackening began to show up in random areas on both MTN Cedar and Desert Bronze. I have documented the failure process with pictures and emails. It was 2 weeks to the day yesterday, Thursday 7/15/2010 that DME was applied. Let me tell you, Screed is not exaggerating about it looking like someone took a flame thrower to his deck, ours looks the exact same, like a disease rapidly spreading all over. Everyday I get home from work it looks like a pyromaniac made another visit and torched a few more boards, disbelief doesn't even cover it. It should be noted that we have heard nothing from Timbertech about either how the deck was holding up after application, or our satisfaction (or lack there of) with the end result. Pretty sure that based on what has transpired here that the materials used to build this deck are ruined, and I have a hard time believing the deck will not need to be replaced. Believe me, I would much rather be sitting on my once (although briefly) beautiful deck sipping a cold one rather than replying to what appears to be a great failure to what we hoped was a great product, manufactured by an honest, reputable company.