19 Non-metallic building materials, namely, door and wall panels; damp proof membranes of synthetic plastics materials for [roofing,] floors, and walls; [roofing membranes; PVC roofing membrane; bituminous products in the form of membranes for damp-proofing for roofing;] geotextile fabrics for use in civil engineering; anti-erosion geotextile fabrics, mats and coverings, not of metal; non-metallic woven geotextile materials for protecting dikes against erosion; surfacings, not of metal, for building, namely, asphalt and bitumen; non-metallic drainage installations, namely, pipes and geotextiles; non-metallic stabilisation fabrics, namely, geotextiles for use in channel, dam, [swimming pools,] hydraulic tubes, [roof, terrace,] bridge, road, railroad, tunnel, waterway, and public works construction; geomembranes for the purposes of drainage, stabilizing inclines, recultivation, plant support, absorption, filtration, separation, stabilization and reinforcement of the soil; geotextiles for use in building roads, dams, channels, [swimming pools,] hydraulic tubes, [roofing, terraces,] tunnels, bridges, waterways and public works; geotextiles for the purposes of drainage, stabilizing inclines, recultivation, plant support, absorption, filtration, separation, stabilization and reinforcement of the soil