... coefficient is small, good stabiliby 1.Tight construction and high strength2.No twisting,delamination or warping, ... rotten or decay3.Strong against corrosion and fire, water proof, consistent when exposed in ... , drilled, grooved, planed, filed4.Usage:Can be used for roof decking, roof sarking, wall sheathing flooring, packing, ... me.Best wishesAbbyTEL:0086-18765365196 Cheap and fine OSB