Interior Basement French Drain System
To install an interior french drain a waterproofing contractor cuts a channel into your basement slab around its perimeter.
Interior basement french drain system. A french drain also called a footing drain is a pipe that carries water away from your house. An interior french drain also consists of a perforated pipe but it s installed around the perimeter of the basement floor. Similar to an outside french drain system installing an interior french drain requires digging a trench roughly 18 48 inches deep around the perimeter walls of your basement to collect any water that is pressing against the foundation.
An interior french drain should be as close to the basement walls as possible and below floor level. Installing an exterior french drain can be difficult and expensive. An interior french drain system is much more complicated in the sense that it requires digging into the foundation that lines the basement walls.
Basement drains come in many shapes and sizes some which work better than others. Basement drains also have many names including drain tile weeping tile french drain interior footing drain and other names. The best way to keep your basement dry all the time is to install a drainage system on the inside perimeter of your basement.
An interior drainage system is an easier more affordable option for waterproofing your basement. In new construction the contractor will block out a trench along the entire interior wall. An interior french drain in your basement is the most effective way to keep your basement dry and prevent flooding.
An interior french drain doesn t prevent water from entering your basement. Landscaping decks and walkways might need to be ripped out to install the drain pipe.