Heat-insulating and sound deadening materials in granular or fibrous form, in the form of a mixture of grains and fibres, or in the form of boards, tiles, slabs, shapes and mouldings; plaster, cement, and sealing compounds, all for use in building construction and building repair; boards, tiles slabs and shaped and moulded pieces, all for use in building construction and building repair and none being of metal; and non-metallic materials for use in the construction of floors, walls and ceilings,