How To Install A French Drain?

Call utility locating services before digging

Check local codes and permit requirements

Identify the problem area and plan the drain route

Determine the outlet point for water discharge

Mark the trench path with paint or stakes

Gather materials: perforated pipe, gravel, landscape fabric, fittings, and drain outlet parts

Dig a trench with a consistent slope toward the outlet

Make the trench wide and deep enough for the pipe and gravel

Remove rocks, roots, and debris from the trench

Line the trench with landscape fabric

Add a base layer of gravel

Place the perforated pipe in the trench with holes facing down or per manufacturer instructions

Connect pipe sections and fittings securely

Maintain the proper slope along the entire run

Cover the pipe with gravel

Wrap the landscape fabric over the gravel

Add topsoil or decorative stone over the fabric

Install a surface grate or drain inlet if needed

Direct the outlet to a safe discharge area

Test the system with water

Backfill and compact the soil around the trench

Restore the surface area with grass, mulch, or stone

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