NOAHS Jet-Flush system is so simple and so technologically advanced, that our proprietary DIG-FREE system needs only a small (6″ diameter) hole (called a DRAINAGE VENT) located at opposing corner of the house. If you need 1-2 walls waterproofed, then we’ll need 1 drainage vent. 3-4 walls or the full house will usually require 2 drainage vents.

The point of the matter is that we can save your yard, patio, garden and driveway from the standard excavation of TAR based waterproofing. Instead of digging a 3′ excavation barrier all the way around the house, NOAHS Jet-Flush ONLY needs 1-2 standard TINY drainage access vents which will save your yard from an unsightly mess.