Potters' clay; granite; terra cotta for use as building materials; marble for use as building materials; cladding, not of metal, for building; wood panelling; wall linings, not of metal, for building; floor tiles, not of metal; floors, not of metal; laminate flooring, not of metal; wall tiles, not of metal, for building; natural stone; artificial stone; building stone; ceramic tiles; wall tiles, not of metal; tile floorings, not of metal; non-metal roofing; buildings, transportable, not of metal; paving slabs, not of metal; slabs, not of metal, for building; roof flashing, not of metal; masts, not of metal, for use as a building materials; non-metal gates and fencing panels; fences, not of metal; plywood; non-metal expansion joints for floors and walls; stair-treads not of metal; latticework, not of metal; interior non-metal window shutters; non-metallic frames for building, other than furnishings; laths, not of metal; works of art of stone, concrete or marble; door panels, not of metal; non-metal fencing panels; non-metal floor panels; wall boards, not of metal; parquet flooring; non-metal gates; staircases, not of metal; building glass; building panels, not of metal; sandstone for building

Consultation in building construction supervision; consultancy relating to the construction of residences and buildings; building construction; building construction and maintenance; installing wallboard; installing drywall panels; installation of floor tiles; installation of doors and windows; installing siding; bricklaying; carpet-laying; parquet floor laying; laying of tiles, bricks or blocks; building construction supervision; construction of floors; construction of walls; installation of insulating materials; maintenance and repair of flooring; maintenance and repair of walls