Drainage pipe
Perforated pipe for subsurface drainage.
6 $/m average price in United States
About the material
Drainage pipe is a flexible or rigid perforated pipe wrapped in geotextile that collects groundwater through its slots and carries it away by gravity. Standard diameters are 110–160 mm laid below the freezing depth on a sand bed with a steady fall.
Where it is used
Perimeter and field drainage around the house, plot and retaining walls.
