Building materials, not of metal, for water proofing, air proofing, sound proofing, and thermal insulation, namely, posts, poles, beams, flooring, wall panels and boards, roofing boards, roofing tiles, roofing membranes; building materials with sealing functions, not of metal, namely, posts, poles, beams, flooring, wall panels and boards, roofing boards, roofing tiles, roofing membranes