Building materials (non-metallic); prefinished flat building sheets; prefinished fibreboard sheets; polyurethane-coated fibreboard sheets; shelving made of materials in this class; boards, panels, planks, strips, slabs, blocks, tiles and sheets for floors, walls and ceilings; wall and ceiling linings including insulating linings and linings to protect against water, steam and heat; tiles and sheets for suspended ceilings; suspended ceilings; flooring materials; laminates; wainscoting, mouldings, cornices, casings and frames; bricks and pavers; concrete building elements; concrete; asphalt, pitch and bitumen; non-metallic transportable buildings; monuments, not of metal; parts and fittings for the foregoing