Azex vs. Trex | What’s the difference when it comes to building a deck?
Trex is a composite of recycled plastics and wood; the company has been making decking products for 20 plus years. The early products molded terribly, but the addition of a PVC-type coating on three sides has helped solve the mold problem that riddled early versions of the product. Ground level Trex decks can still mold (black) on the bottom, the side …