TimberTech must have found some to spend all the cost of engineering and testing the MAX.
The advantage of the original Harvest Collection (Slate Gray and Brownstone) was that they not only had complete resistance to water (not so good with gasoline or suntan lotion); they were lighter weight than a PT or Trex product of comparable size. That is a big deal for decks that are removed or hoisted from the lake during the winter months.
The Max is double the thickness... and thus double the weight... so maybe one less aluminum joist under a section makes that much difference?
Or maybe your not blocking the joist like the product suggests? I see that quite a bit as many ''design'' their deck without using the online tools.
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