Why use OSB roof decking instead of plywood?
Plywood decking is made from large logs that are peeled and glued in layers at right angles to each other. When logs are peeled, knots and other imperfections in the wood are incorporated into the decking panels. These imperfections can create gaps or voids. OSB panels are pre-engineered and made from the chips of small, fast-growing trees. These chips are bound by high pressures and advanced adhesives. This procedure creates a uniform decking panel without natural or internal imperfections. Pre-engineered wood products are also friendly to our environment since they reduce our use of large logs from old growth forests.