Apparatus for draining roofs, namely, drainage mats being non-metal building materials used for construction, non-metal gutters and non-metal drain pipes; Non-metallic panelling for roof garden, namely, wall panels with built-in trays for planting greenery and floor panels with built-in drainage mats for planting greenery; Interior wall panels of non-metallic materials; Non-metallic dividing wall panels; Non-metallic screen wall components, namely, planter boxes, plant cultivation trays, flow...