How To Install French Drain?

Call local utility locating services before digging

Identify the drainage problem area and water flow path

Choose the drain route with a downhill slope to an outlet

Check local codes and permit requirements

Gather materials: perforated pipe, gravel, landscape fabric, fittings, drain outlet, shovel, level

Mark the trench line with stakes or spray paint

Dig the trench to the required depth and width

Maintain a consistent slope along the trench

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

Connect pipe sections and fittings securely

Cover the pipe with gravel

Wrap the landscape fabric over the gravel

Backfill with soil or top with sod, mulch, or stone

Install an outlet, dry well, or daylight discharge point

Test the drain with water to confirm proper flow

Compact and finish the surrounding area

Inspect and clean the drain periodically

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