Do you need pipe for a French drain?

Officially a French drain is a gravel drain with no pipe. The water just collects in and travels through in a gravel or stone filled channel that starts from the surface or just below it. But in modern times, and for practical purposes, we will consider a French drain to include a drainage pipe in the gravel.

French Drain Pipe Characteristics One of the most common pipe materials used to create a French drain is plastic because of its durability. There are two frequently chosen pipe variations: corrugated and PVC. Both are lightweight, but corrugated pipe can be flexible, while PVC is stronger and more rigid.

One may also ask, how deep should French drain be? Dig the trench A French drain starts with digging a trench. The depth and width of the trench can vary, but 5 to 6 inches wide and 8 to 12 inches deep are common sizes and usually satisfy most needs.

Also question is, will a French drain be enough?

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 use landscape fabric for French drain?

A landscaping French drain is a gravel-filled trench lined with landscape fabric to keep soil and silt out of the gravel. While some types of these drains include a perforated drain pipe (sometimes called drain tile) and may be covered with grass, the traditional French drain is simpler and easier to build.

Can you cover a French drain with dirt?

The best practice for installing French drains is to use perforated drainage pipes, which allow water to enter or exit through small openings along the pipe. 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.

How do you put a French drain in your yard?

Installing French Drains 01:50 Dig a trench along the outside of your footing. Lay the pipe on the virgin soil. 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. Back-fill the foundation with top soil back to its original grade height.

How much gravel do I need for a 50 foot French drain?

French drain gravel should be washed three quarter inch minimum and as large as 1 ½ ” 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.

Can you use PVC pipe for a French drain?

FILLING AND PIPING A FRENCH DRAIN Choose one of two types, either rigid PVC with predrilled holes or flexible drain pipe cut with slits. PVC lasts longer, and if you encounter a clog, it can be cleaned with pressure or a plumber’s snake. Flexible pipe, on the other hand, is less expensive and easier to work with.

Should you use perforated drain pipe?

In general terms, whether using corrugated or sewer and drain pipe, perforated pipe is used for subsurface drainage and solid pipe is used to convey water from surface and/or subsurface drainage systems.

Should I use PVC or corrugated pipe for drainage?

Pros of solid PVC pipe: Durability: This type of pipe is much more durable than corrugated pipe – it isn’t penetrable by roots and is simple to unclog. Smooth walls: The walls of PVC pipe are smooth, so it is less likely to clog or to catch debris that slows water flow.

How long do French drains last?

approximately 30 to 40 years

Are French drains worth it?

There are three different styles of French drains: A shallow French drain that extends horizontally across your property to channel water away from an area. This is a good option if you’re only dealing with surface water. This is another option worth considering if water is getting into your basement.

Are French drains legal?

Legal issues In the U.S., municipalities may require permits for building drainage systems as federal law requires water sent to storm drains to be free of certain contaminants and sediment. In the UK, local authorities may have specific requirements for the outfall of a French drain into a ditch or watercourse.

How far should a foundation be from a French drain?

A French drain consists of buried perforated pipes slightly sloped to easily channel water flow, in this case, away from the house foundation. Start by digging a 2-foot-deep-by-18-inch-wide trench 2 feet or so away from the foundation at the highest point where the rear yard meets the foundation.

Will a French drain prevent water in basement?

In fact, it keeps the basement dry by preventing the water from developing the pressure it takes to enter the basement in the first place. A French drain, often called “drain tile,” installed inside or outside the foundation, will keep most basements dry and never requires maintenance or replacement.

Where do you end a French drain?

End the French drain at a low-lying water source, such as a pond or lake, if you have one on your property. If you do end your French drain at a pond or lake, make sure the opening of the French drain sits above the water level. The water will roll down the drain and empty harmlessly into the water.

Can you tie in downspouts to French drain?

A French drain is actually a network of pipes laid in trenches dug beneath the ground through which water runoff can flow. This structure can be attached to your downspouts and will work seamlessly with your existing gutters. Next, he will place lengths of rigid PVC pipe into the trenches.