From Evolution to Revolution

It’s Time to Go With the Flow.

At Olshan, as part of our total commitment to Foundation Solutions, we are dedicated to preventing problems.

If your water management contractor is not using the Olshan Drainage System, you (and your home) are “treading water.”

Explore Other Exterior Water Management Methods

Swale

Swale

Advantages

  • Inexpensive

Disadvantages

  • Temporary; has to be re-cut often

Perforated Corrugated Pipe with Surface Drain

Perforated Corrugated Pipe with Surface Drain

Advantages

  • Can move surface and subsurface water

Disadvantages

  • Keeps soils around your home excessively wet by allowing water to transfer out rapidly through slits
  • Not designed to handle flowing water
  • If not properly designed and installed, it can cause foundation performance issues

Corrugated Pipe with Catch Basin

Corrugated Pipe with Catch Basin

Advantages

  • Inexpensive
  • Readily available

Disadvantages

  • Surface drain catch basin traps water and debris
  • Vulnerable to mosquito breeding
  • Easily clogs

Traditional French Drain

Traditional French Drain

Advantages

  • Inexpensive and readily available
  • System uses a traditional methodology with a 4” perforated corrugated pipe 12”–18” below the surface

Disadvantages

  • There is no surface drain
  • Susceptible to silting and clogging
  • Clogging results in short life expectancy
  • If not properly designed and installed, it can cause foundation performance issues