Product Profiles Measurements. The li.e de.s make a big difference when you build your own deck..Veranda composite decking, railing and fencing keeps its beauty for decades and is available exclusively through The Home Depot.Our rating reports on composite decking are the result of our anaylses of the manufacturers of some of the most popular composite decking sold in the U.S. and Canada. There are over domestic manufacturers of composite and PVC decking, and a dozen or so Asian manufacturers that export to North America. We don’t even try to keep track of them all..Estimate the cost of building a high performance composite deck with help from Trex. Learn more about what factors into the final deck price and how to keep costs low..