Patent ID: 9416515
Filing Date: 2016-08-16
CPC Classification: E02D,E04B

Claim Text:
1. A method for keeping humidity/water away from a concrete foundation wall and provide insulation, the concrete foundation wall having a soil-facing surface, said method comprising the steps of: providing a plurality of devices comprising a rectangular main body having flat surfaces forming a cavity therein encompassing a plurality of particles, the main body being configured so as to be stackable horizontally and vertically, and having opposed upper and lower surfaces each comprising a plurality of drainage openings therethrough, the openings having a diameter smaller than the diameter of the particles; positioning a plurality of longitudinal spacers at intervals in contact with the soil-facing surface of the concrete foundation wall, the plurality of longitudinal spacers increasing water flow away from the concrete foundation wall; and positioning the plurality of devices in contact with the longitudinal spacers such that the lower surfaces of the devices face downward.