If you are wondering what the best way to waterproof your home is, you need a perimeter drain and a sump pump to get the job done. Perimeter Drain Sump Pump Montclair: The sump pump is a vital part of the basement waterproofing equation. The pit should be at least 22 inches deep. External Sump Pump Installation Montclair: A sump pump can help protect your basement. First, do you have the proper dehumidification system? Second, do you have a water alarm? A water alarm will warn you if there is water in your basement. You can also get a good price on a sump if you shop around. Finally, you will need to install the discharge line. Then, you'll need some primer to help seal the ends of the pipe.