How to Install Interior Drain Tiles


Proper drainage is a concern for people who have basements. Without the proper setup, water can seep through the cracks and holes in your basement floor, causing unnecessary water damage. A good solution for this is to install drain tiles--PVC drainage piping that lies under your basement floor. It easiest to add the drain tiles before your basement has permanent flooring; otherwise it will be costly and much more difficult to add the drain pipe in later. Also, make sure you invest in a good sump pump to keep pumping the water out of your basement.

Things You'll Need

  • 4-inch-wide drain tile or wider
  • Sealant
  • Shovel
  • Hoe
  • 1 to 1 1/2-inch round washed gravel
  • Dirt
  • Drill
  • Roofing felt
  • Sump pump
  • Stone paver
  • Basin for sump pump
  • Filter fabric for basin
  • Concrete
  • Dig down all the way to the footer of your basement floor. This is the base that your floor is sitting on. When you reach the footer, dig 5 or 6 inches down the side of your footer. To make this easier, do this right after your footer has been installed, and also consider renting digging equipment.

  • Lay your drain tile along the footer in the trenches you've dug. Use corner pieces to help you install the drain tile along the entire perimeter of the footer, and apply your sealant to the area where the pipes are connected to one another. Also, make sure you drill a hole to the outside of your house so that you can send the drain tile outside. Keep the end of the drain tile that's outside open so that your water can drain to there. If you can, find an area to drill the hole where your yard slopes downward from your house.

  • Dig a hole in your footer for your sump pump basin. Make sure that the top of the basin will be flush with the finished floor. Wrap your basin in the filter fabric and set it in the hole.

  • Cover the drain tile with about 3 feet worth of gravel, and add several inches of gravel inside the basin. Add dirt on top of the gravel to fill in any extra space. Then place your roof felt on top of the gravel and dirt. This will allow good drainage to the tile drain.

  • Place a stone paver on top of the gravel inside of your basin and put the sump pump on top of the stone paver. Connect your drain tile to your sump pump's check valve.

  • Mix up your concrete with your hoe and cover your footer and the piping. This will be your permanent floor. Pour the concrete around the top of the basin but do not pour the concrete inside the basin. Wait until the concrete is dry.

  • Plug in your sump pump and cover your basin with the basin top.

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