Most descriptions of a french drain involve a slotted or perforated pipe a trench geotextile fabric and gravel backfill.
Stone for french drain uk.
French drain gravel.
French drains can require a lot of effort with only marginal effectiveness for many reasons.
Deep french drains are also known as footing drains and they run around the outside of the home at the level of your footing.
The process is fairly simple.
A french drain is a simple but very efficient type of drainage system.
French drains are primarily used to prevent.
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French drain detail showing a cross section showing the graded stones.
A french drain is a trench in the ground filled with rock or gravel to the ground surface.
A french drain is ideal for carrying away surface water which builds up around walls on driveways or in waterlogged areas of a lawn or garden.
The french drain is a simple yet versatile construction which can be used to drain standing water from problem areas in your yard or basement.
A french drain or weeping tile also trench drain filter drain blind drain rubble drain rock drain drain tile perimeter drain land drain french ditch sub surface drain sub soil drain or agricultural drain is a trench filled with gravel or rock or containing a perforated pipe that redirects surface water and groundwater away from an area.
It just requires a little preparation and planning the right tools and materials and a little diy know how.
For that reason you will need to install a deep french drain to channel any rainwater in the right direction.
How to drain surface water.
French drain gravel should be washed three quarter inch minimum and as large as 1 crushed stone the upper 12 inches above the pipe shall be filled with native soil to avoid having crushed stone over the perforated pipe that could damage the pipe.
You are likely to see this style of drain next to a wall or building as a means of reducing the build up of water.
The voids or open spaces between the rocks or gravel allow water to flow down from the surface.
The bottom of the trench can include a perforated pvc pipe that accumulates the water.
Over the years we have seen many adjustments and improvements but the basic principles behind french drain remain the same.
This pipe is then sloped to carry the water to a natural drainage such.