What do you put on top of a French drain?
Landscape fabric (filter fabric) Landscape fabric is used as a protective layer between the French drain design and the earth. Its purpose is to wrap the entire French drain and protects it from soil washing into it. This helps prolong the life of your new drainage system, and leaving it easier to maintain.
How much does a French drain cost UK?
French drain system cost The average french drains cost per foot is between £30-£40. The work required by a contractor/tradesperson is specialist, gruelling, labour-intensive work that is well worth that price.
How deep should a French drain be UK?
Plan Your French Drain – Generally a trench of about 200-300mm wide is suitable in most cases, but if you have a large amount of water to drain you may need a trench of up to 450mm wide. The trench should be about 300-500mm deep, and dug so that it slopes at a ratio of 1:50.
What is the average cost to install a French drain?
According to Fixr, the average French drain costs $4,500. An exterior drain located fairly close to the surface could cost as little as $1,000, or $25 per linear foot on average. Drains installed under your basement floor could cost $2,000 or more. Expect to pay $60 to $70 per linear foot for installation.
Can you put topsoil over French drain?
The simplest drain is a classic French drain, which is nothing more than a trench filled with coarse stone or gravel. The drain can be left open or, if aesthetics are a concern, can be covered with a couple of inches of topsoil and sod.
How do you install a French drain UK?
How do you install a French drain?
- Step 1: Dig a trench wider than your pipe at a gradient.
- Step 2: Lay a water-permeable landscape fabric in the trench.
- Step 3: Fill the bottom of the trench with aggregate.
- Step 4: Lay the perforated pipe.
- Step 5: Place more aggregate into the trench.
Do plumbers do French drains?
If installed properly by a qualified plumber, a French drain can last for a very long time. In some circumstances, shallow French drains can be easy to install as a DIY project.
Can you cover a French drain with grass?
Two Common Types of Drains The simplest drain is a classic French drain, which is nothing more than a trench filled with coarse stone or gravel. The drain can be left open or, if aesthetics are a concern, can be covered with a couple of inches of topsoil and sod.
