... sheathing, flooring, packaging, hoardings, signboards and portable buildings. Features of OSB: 1) Tight construction and high strength 2) Minimum twisting, delamination or ... warping 3) No rotten or decay, strong against corrosion and fire 4) Water proof, consistent when exposed in the ... , drilled, grooved, planed, filed or polished 7) Good heat and sound resistant, easy to be coated. 8) Note the OSB ...