Patent ID: 8635816
Filing Date: 2014-01-28
Classification: E02D,E04B

Abstract:
1. A crawlspace encapsulation system comprising: a foundation wall; a sill plate fastened to a top portion of the foundation wall; a header joist fastened to a top portion of the sill plate; at least a first floor joist and a second floor joist spaced apart from the first floor joist, wherein both the first and second floor joists are fastened to the top of the sill plate; and an insulating joist plug disposed adjacent the header joist and above the sill plate, wherein the insulating joist plug includes a plurality of slits formed in the joist plug which allow the plug to compressibly fit between the first and second floor joists; a plurality of insulating panels, each having a first and an opposing second side, fastened to at least a portion of the foundation wall with the first side of the insulating panels adjacent the foundation wall; and a polymeric membrane fastened to the second side of the insulating panels, wherein the polymeric membrane is disposed over at least a portion of the second side of the insulating panels and also disposed over ground adjacent the foundation wall and wherein the insulating joist plug comprises a foamed polymer having an imidacloprid or boron-containing insecticide dispersed therein and wherein at least a portion of the insulating panels further comprise at least one venting channel adjacent the foundation wall which is in flow communication with the ground beneath the polymeric membrane and with at least one ventilation duct in the foundation wall.