The Deck September 26, 2008 by acrossky This is a deck for a customer who wanted something a little different… The backbone of the deck was a laminated plywood beam that sat on concrete pilings. The step stringers were then lagged to the beam. We heated the Trex (composite) boards in a makeshift kiln until the boards were almost too hot to touch. This softened them up enough to bend although we still had plenty of breakage! I owe Dad big for this one.