Basement drainage systems

Collection and ejection. A well-functioning basement drainage system collects water before it leaks onto the floor and transports the water to a sump pump for ejection to the exterior.

A basement drainage system has a simple goal: to keep the basement dry by capturing and draining ground water before it leaks onto the basement floor.

Unlike “waterproof” membranes or coatings that allow hydrostatic pressure to build up against the foundation (increasing the chances of high-volume leaks), a basement drainage system reduces hydrostatic pressure.

It does this by giving ground water an escape route. But controlling ground water isn’t easy. Water can leak into the basement in different ways and at different locations. Extremely wet weather can put a great deal of pressure on a basement drainage system.

What makes an effective basement drainage system?

A basement drainage system goes by other names –like interior French drains, interior drains or interior perimeter drains. Whatever terminology you use, the system must have certain characteristics to work effectively:

  • High-volume, clog-free design. The drain lines should be large enough to handle heavy water flow during wet weather. The drain lines also should be designed to resist clogging that can cause backups.
  • Drainage to capture basement wall leaks. Water that leaks into the basement through foundation walls should be directed to the drain lines before the water can reach the basement floor.
  • Drainage to capture leaks around and beneath the floor. Ground water frequently enters the basement along the joint between basement walls and the basement floor. Drain lines should be located along this juncture to capture floor leakage and relieve hydrostatic pressure.
  • A sump pump system to move basement water outside. The basement drainage system conveys collected water to a sump pit in the basement floor, where a sump pump automatically pumps accumulated water to the exterior. A reliable, high-capacity sump pump like Basement Systems’ TripleSafe® sump pump ensures top performance under even the most extreme conditions.

WaterGuard® outperforms other basement drainage systems.

Durable, reliable, invisible. WaterGuard basement drain lines are made from high-density plastic that won’t ever corrode or deteriorate. Once the drain lines are installed and covered with a thin layer of concrete, the drainage system is nearly invisible.

Experience in waterproofing thousands of basements led to the development of the patented WaterGuard® basement drainage system from Basement Systems. The distinctive profile of WaterGuard hints at how this innovative product performs.

Spacers built into the back of WaterGuard’s vertical wall flange allow wall leakage to flow down into the drain line, preventing this leakage from reaching the floor. Perforations along the lower back side of the drain tile capture water that would otherwise leak up along the floor/wall joint.

WaterGuard drain lines are positioned on top of a gravel layer laid down over the wall footing. Specially designed fittings join tile sections together and connect the drainage system to the sump pump.

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