To form the curved railing, 5/16-inch-thick clear old-growth cedar strips were laminated together in special forms, using radio frequency to cure the glue. The balusters are Deckorator 3/4-inch tubes. Double 2x12 pitched joists and regular framing support the deck's floor, which is made of 3/4-inch OSB, 60-mil rubber roofing, 1 inch of sand, and blue stone pavers. The serpentine curve presented interesting challenges for Robert Viviano, owner of Deck the Yards in Pittsburgh: "We actually build all of our curves in our shop, including the beam - which is about 30 feet long. We make sure all connecting splices end