How a french drain works french drains provide an easy channel for water to flow through.
French drain bay window.
Trench drain compact series 5 4 in.
By the way the name doesn t come from the country.
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W x 3 2 in.
Depending on the size of your trench either dig the trench with shovels or rent a trencher.
Discussion in builders talk started by ross89t15 jun 7 2020.
French drain around bay window.
It s from henry french a judge and farmer in concord massachusetts who promoted the idea in an 1859 book about farm drainage.
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.
French drains need to have a slope of at least 1 so the force of gravity will work for you.
D x 39 4 in.
This means that the drain should slope down a total of at least 1 inch for every 10 feet of pipe.