Building, construction and drainage materials and products; geosynthetic and geotextile materials and products; geosynthetic and geotextile building, construction, drainage and filtration materials; erosion control blankets and matting; cellular confinement systems for stabilising soil and soil structures; geotextile filter mats for use in construction, shore protection and building protection; bags and tubes made of geotextile materials for use in coastal protection and bank stabilisation of rivers; floating curtains for marine applications; geosynthetic clay liners; geosynthetic water barrier; geotextile materials for sealing purposes; non-metallic rigid pipes for building; drains, drainage waste and sewage pipes; stormwater detention systems and apparatus