If you’re dealing with a wet basement or crawl space, a perimeter drain tile system is one of the most effective ways to keep water away from your foundation.
Despite the name, drain tile isn’t actually tile. It’s a perforated pipe system installed around the perimeter of your foundation that collects groundwater and redirects it away from your home.
How Does Perimeter Drain Tile Work?
The drain tile pipe is placed in a trench and surrounded by gravel or drainage stone. As water builds up in the soil around your foundation, it flows into the pipe through small perforations.
The water is then directed to:
- a sump pump
- a storm drain
- a safe drainage area away from the home
This helps relieve hydrostatic pressure and reduces the risk of leaks, cracks, and moisture problems.
Interior vs. Exterior Drain Tile
Perimeter drain tile can be installed in two ways:
Interior drain tile is installed inside the basement along the wall perimeter, usually beneath the floor and connected to a sump pump.
Exterior drain tile is installed outside along the foundation footing to catch water before it reaches the wall.
Both are effective, and the best option depends on where the water issue begins.
When Is It the Best Solution?
Drain tile is often recommended when:
- water enters during heavy rain
- leaks appear where the wall meets the floor
- the basement smells musty
- hydrostatic pressure is causing seepage
- water keeps returning after storms
It’s one of the best long-term solutions for recurring basement moisture issues because it addresses the problem at the source.
Protect Your Basement from Water Damage
If you’re seeing signs of water intrusion, perimeter drain tile may be the right solution to keep your basement dry and protect your foundation.
A professional inspection can help determine whether an interior or exterior system is best for your home.