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, flower pots and planting cassettes being planter boxes, all sold as component parts of non-metal screen wall panels; Partition wall panels made of non-metallic materials; Facade construction components of non-metallic materials, namely, planter boxes, plant cultivation trays, flower pots and planting cassettes being planter boxes, all sold as component parts of facades; Facade elements of non-metallic materials, namely, planter boxes, plant cultivation trays, flower pots and planting cassettes being planter boxes, all sold as component parts of facades; Facades of non-metallic materials, namely, facades constructed from planter boxes, trays, pots and cassettes; Non-metallic building facade elements, namely, planter boxes, plant cultivation trays, flower pots and planting cassettes being planter boxes, all sold as component parts of facades; Non-metallic facade elements for buildings, namely, plant cultivation trays, flower pots and planting cassettes being planter boxes, all sold as component parts of facades; Non-metallic drainage apparatus, namely, sub-soil drainage mats being building materials used in construction, drain pipes and storm-water management systems comprised of non-metal gutters and non-metal drain pipes; Non-metallic drainage products for use in building, namely, drainage mats, gutters and drain pipes, filtration systems comprised of non-metal gutters and non-metal drain pipes, and storm-water management systems comprised of non-metal gutters and non-metal drain pipes; Rainwater drainage apparatus of plastic materials, namely, drainage mats being building materials used for construction, gutters, drain pipes, filtration systems comprised of non-metal gutters and non-metal drain pipes and storm-water management systems comprised of plastic gutters and plastic drain pipes; Non-metallic guttering for the collection of rainwater; Non-metallic guttering for the dispersal of rainwater; Rainwater drainage apparatus of plastic materials, namely, plastic conduit for drainage; Non-metallic landscaping materials, namely, artificial carpet grass sold as a component part of non-metal wall and floor panels, planting media sold as a component part of non-metal wall and floor panels, pumice stones sold as a component part of non-metal wall and floor panels, and erosion control mats used in construction, namely, moisture mats, turf stabilisation mats, anti-soil erosion mats and sub-soil drainage mats