French drain
Gravel trench with a perforated pipe.
18 €/m prix moyen à France
À propos du matériau
A gravel-filled trench wrapped in geotextile with a perforated pipe at the bottom. Water seeps through the gravel into the pipe and drains away, while the gravel also stores and spreads flow.
Où il est utilisé
Relieving wet spots and draining along foundations and paths.