French Drain vs. Drain Tile: What’s the Difference?

Don’t let these key differences go down the drain

A french drain in a garden
Photo: mansum008 / iStock / Getty Images Plus / Getty Images
A french drain in a garden
Photo: mansum008 / iStock / Getty Images Plus / Getty Images
Highlights
  • French drains and drain tiles help solve moisture problems in basements, lawns, pastures, and other spots.

  • French drains are installed near the surface in a gravel trench, making them well-suited for keeping water from pooling on the ground.

  • Drain tiles are installed much deeper in the ground, around 8 to 10 feet, which makes them more suitable for keeping basements dry.

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If there’s water pooling inside or outside of your home, you’re likely comparing a French drain vs. drain tile solution. A solution to water damage issues like perennial puddles and pooled water is a drainage system that funnels moisture away from your home and yard.

Let’s look at the differences between French drain and drain tile solutions to learn the best choice for your drainage project.

French Drain vs. Drain Tile: Key Differences

Both French drains and drain tiles use drainage pipes to collect moisture from the ground and channel it away so it doesn’t create a soggy mess or cause moisture damage. However, they work in different ways and excel in different areas. 

What Is a French Drain?

Top view of a french drain
Photo: Alexandr / Adobe Stock

French drains consist of a waterproof pipe filled with small holes or a similar kind of venting. It’s installed in a drainage channel and covered with porous gravel or a similar, easily-drained substrate, which prevents clogs. Sod or soil is often laid on top of this channel to hide it from view.

Water seeps from the soil into the drain pipe with help from gravity. The pipe is often angled along a natural slope so that it freely drains into an exit point, like a ditch or a municipal drain. This French drain method keeps soggy areas dry and helps them dry out more quickly after rainfall.

Pros of French DrainsCons of French Drains
Customizable to solve surface-level drainage issuesResolves surface-level issues, not below-ground
Option for already-built homes, sheds, or barnsExpensive to install
Long-term solution, lasting 30 to 40 yearsRequires careful planning and permitting (in some cases)

Best for:

  • Areas of the yard where water pools or floods

  • Surface-level basements and similar structures with moisture problems

What is a Drain Tile?

An excavator digging a drainage trench
Photo: omphoto / Adobe Stock

Drain tiles are a system of perforated PVC or other durable, water-resistant pipes laid along the foundation of a home, either inside or outside. This drainage method captures groundwater before it enters the basement, filters it, and sends it down the drain toward the exit point. 

That sounds just like a French drain, doesn’t it? The key difference is the depth of the drain tile. While French drains are installed 8 to 24 inches below the surface of the soil, drain tiles are buried 8 to 10 feet in the ground. That depth means that drain tiles work via hydrostatic pressure, which forces water more easily into the pipe for drainage. The depth and pressure make drain tiles ideal for handling wet basements where moisture control is especially important. However, they also take significantly more work to install, and are best added during the early stages of construction.

Pros of Drain TilesCons of Drain Tiles
Reliable drainage for large amounts of soilMore labor-intensive installation
Keeps basement and other below-ground areas dryExpensive to install
Not designed for surface-level drainage for lawns, fields, or similar areas

Best for:

  • Basements below surface-level that struggle with dampness and moisture problems

  • New construction in soils like clay where long-term moisture retention can be a problem

French Drain vs. Drain Tile

A person installing a drain tile
Photo: SoonerMarketing / Adobe Stock

Still deciding which drainage option is right for your property? Let’s take a closer look at a few key features and how French drains stack up against drain tiles.

Appearance: Tie

French drains and drain tiles both use PVC pipe or similar piping, which is buried in a gravel channel with an exit in a nearby, undisturbed spot. The result is that they look very similar.

Since French drains are focused on surface-level projects, they tend to be more visible, especially during installation. But afterwards, their channels are often covered with sod or disguised as dry riverbeds, so users will have appearance options based on preferences.

Drain tiles are often installed during construction, which provides opportunities to plan where they will go and how exits will be hidden.

Cost: French Drain

Since French drains require less labor to install, they are much less expensive. The cost to install a French drain ranges from $500 to $18,000, or $9,250 on average. The average French drain cost $10 to $50 per linear foot, but extensive, complicated installs can run up to $100 per linear foot. 

On the other hand, installing drain tiles costs $20 to $60 per linear foot, with interiors ranging from $60 to $100 per linear foot.  This project requires additional excavation or construction work since the pipes are buried so deep in the ground. Also, drain tile projects are more likely to need additional drain outlets and other add-ons to dry the basement level of a building. 

Time and Labor: French Drain

The surface-level construction and versatility of a French drain make it an easier project to accomplish and a faster installation, especially for professional French drain installers with more powerful digging tools. It may still be a multi-day project, but you can expect to get it completed over a weekend. 

Drain tiles tend to take more time, planning, and work to install. Whether installed during the foundation construction or put in afterward, they need to be handled by professionals. Additional care is required if they are integrated with a foundation, and there’s even more danger of running into buried cables, plumbing, and tree roots. That means it’s more likely to require permits for the changes.

Lifespan: Tie

Both French drains and drain riles have excellent longevity, especially with durable pipe materials. You can expect them to last for 30 to 40 years without needing significant updates. 

However, some issues can cut that lifespan short. Shifting foundations can crack or move drain tiles, which may require emergency replacements. Likewise, tree roots and similar landscaping changes can push French drains and require repositioning. Finally, disasters like earthquakes or floods can ruin these types of drains and require significant repairs afterward.

Sustainability: Tie

Despite the use of PVC pipe and similar materials, these drainage systems are very eco-friendly. They don’t leech any toxins into the soil, and they don’t require fuel or moving parts to work.

Both options can be easily integrated into existing landscaping while making areas safer and healthier to use. However, it’s important to look up any existing pipes or lines buried on your property to avoid accidents. Plan drainage into a safe, out-of-the-way spot where water can quickly flow away.

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