Trench drain compact series 5 4 in.
French drain bay window.
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Discussion in builders talk started by ross89t15 jun 7 2020.
This means that the drain should slope down a total of at least 1 inch for every 10 feet of pipe.
French drains are primarily used to prevent.
I was getting splash back off the concrete slab when it rained and the slab was as high as the air bricks i was getting a bit of damp in the front room so it needed some work thought best bet would be a french drain so i.
By the way the name doesn t come from the country.
It s from henry french a judge and farmer in concord massachusetts who promoted the idea in an 1859 book about farm drainage.
W x 3 2 in.
How a french drain works french drains provide an easy channel for water to flow through.
Depending on the size of your trench either dig the trench with shovels or rent a trencher.
L trench and channel drain kit with black grate 3 pack.
D x 39 4 in.