Type 3 perforated agricultural drain* drains water around foundations and directs it toward storm sewer. Made of high-density polyethene, the drainage pipe is resistant and easy to install.
The Type 3 drain has larger holes than a regular drainage pipe and is designed for draining the ground or where there is a presence of ferrous ochre.
Pipe drain and gravel layer around the footing of foundation walls serve to drain water that seeps into ground.
*Also called «french drain».