Do the holes in a French drain pipe go up or down?
So, when installing a French drain, the holes in PVC piping always face the upward position. The only time holes should be in the downward position is when installing a leaching field. This is when water is poured or pumped into a pipe and we want the water to drain out of the pipe into the surrounding ground.
What do you cover drainage pipe with?
Cover the pipe with at least 12 inches of washed gravel. Lay filter fabric over the gravel to prevent any soil from clogging the pipe.
Should French drain be wrapped?
Industry standard for French drains are 4 to 4.5 ounce Nonwoven drainage fabric. Avoid using socked wrapped perforated pipe alone without drainage fabric as it will easily clog with dirt/soil.
What is the average cost of installing a French drain?
French drain costs $10 to $50 per linear foot or between $500 and $10,000 in exterior and perimeter applications and $40 to $100 per linear foot or $1,000 to $18,000 for internal ones. These systems can benefit your home in a variety of ways.
How deep should a foundation French drain be?
French drain depth: About 8 inches to 2 feet deep should be sufficient for many water-diverting projects, though related systems, such as those built around foundations and sub-ground living spaces, as well as the bases of retaining walls, may be deeper.
Can you cover a French drain with dirt?
Can I cover a French drain with dirt? Because a French drain has holes throughout the pipe which allow it collect water, you should not install dirt on top of the drain pipe. Installing dirt will clog the pipe and the holes, rendering it useless.
How does a French drain pipe system work?
The basic principle of the French drain pipe system is laying a perforated pipe from the problem area in a sloping gravel filled trench, the pipe covered with landscape fabric to stop any gravel or soil from clogging the pipe holes. As the water enters the sloping perforated pipe it is channeled away and dispersed through
Can a French drain pipe be covered with dirt?
French drains can be covered with dirt providing that the french drain pipe is covered with a filter sock, and, or installed in such a way with washed gravel preventing dirt from penetrating through to the small holes in the French drain pipe system. Care should be taken to ensure that the gravel itself is not going to cause a clogging problem.
What’s the difference between French drain and EZ drain?
Unlike traditional French drain pipe and gravel systems which require backbreaking work of hauling and shoveling large amounts of rock and gravel to fill the trench, EZ Drain Gravel-Free French Drain System can be installed in half the time and is made with 100% recycled material. No hard, heavy lifting is required.
How does a perforated drain pipe work?
As the water enters the sloping perforated pipe it is channeled away and dispersed through the perforated drain pipe holes to soakaway in an area where it won’t cause further flooding or damp problems.