A DIY French drain can cost $1,500 and up to install, depending on the length of the drain, whether you have to rent a ...

French drains are typically covered with pea gravel and a fabric filter to prevent dirt from clogging the drain ... Dry Well. The water collected in a French drain pipe needs to discharge somewhere.

If your yard already has a storm drainage system, you might spend as little as $500 to bury some downspouts, but you could spend up to $13,000 for a combination French drain and dry well installation.

The French drain provides an easy path for water to flow through the gravel and into the drainage pipe. The perforated pipe should also be at a downward-sloping angle to allow gravity to do its job.

But installing an interior French drain probably isn’t all you will need to do. Anderson said fixing a damp crawl space is often a four-step process, with adding the drain system being the first ...

A French drain is a good do-it-yourself project that will require very little money but a fair amount of hard work. You'll need plastic drainpipe, landscape filter cloth to keep dirt out of the ...