Perforated single wall land drainage. Used as a collector drain for the removal of excess surface water on gardens and fields to a suitable collection point. The minimum depth of cover on any piped drain should be at least 450mm to protect the pipe from damage due to the surface traffic or maintenance operations such as deep spiking.
ugh rocks and then disappering through a bed of gravel. The water seems to appear like magic then disappear... what a talking point!We supply everything you need to create your own custom-built design apart from the rocks and water!!Kit contains: 8 x 3m 40 year liner with fleece underlay, Draper 14100lph pump, 10m x 25mm (1") hose with clips (pair), 80 x 80cm heavy duty galvanised steel grid and pump hatch (max. weight tolerance = 150kg). NOTE: Rocks and boulders not included! We suggest 3 tonnes of boulders (2