What is the best type of rock to line a french drain.
Best stone for french drain.
You re taking in the water throughout the entire system.
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.
While several sizes and types of gravel may be used for the drain your best option may depend upon the slope of the yard and whether you use a perforated pipe to help whisk the water away.
Using pea gravel modern french drains have perforated plastic piping as a significant part of the design.
You can t beat a gravel french drain.
With an all gravel drain that s to the surface like this that s wrapped.
A french drain offers a gravity assisted means of keeping the yard free from excess moisture.
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Either stone or pea gravel and sometimes both are used in the constuction of a french drain depending on the design preferences of the builder.
A ditch is dug protected piping laid in the ditch and the pipe covered.
Your landscape supply store will likely have a few varieties of stone sold as drainage rock but some of these selections are decorative in nature and more expensive than what you ll need for a buried trench.
French drain gravel.
A french drain is a trench filled with a perforated pipe and gravel that allows water to drain naturally from your yard.