wood; building materials, not of metal; construction materials, not of metal

Beams made of wood, building timber, construction elements of timber, joinery products of timber for use in buildings, manufactured timber, structural timber products, timber building boards, timber building products, timber for building, timber laminates, timber panels, timber particle boards, flooring made of wood, non-metallic flooring boards, non-metallic flooring material, non-metallic flooring panels