Abstract: A building construction having a ventilated wall drainage system. The building includes a roof with a plurality of roof vents therein, a soffit, an attic space and an exterior wall construction. The wall construction includes an exterior wall covered with sheathing. The sheathing is in turn covered by insulation having a plurality of generally vertical channels therein which permit air to flow through the channels between the insulation and the sheathing of the exterior wall. The soffit is provided with a passage which is in communication with the channels in the insulation. Air is continually drawn through the channels in the wall construction, through the passage in the soffit and into the attic space to provide constant ventilation for the wall construction.

Abstract: A building construction having a ventilated wall drainage system is provided. The building includes a roof with a plurality of roof vents therein, a soffit, an attic space and an exterior wall construction. The wall construction includes an exterior wall covered with sheathing. The sheathing is in turn covered by insulation having a plurality of generally vertical channels therein which permit air to flow through the channels between the insulation and the sheathing of the exterior wall. The soffit is provided with a passage which is in communication with the channels in the insulation. Air is continually drawn through the channels in the wall construction, through the passage in the soffit and into the attic space to provide constant ventilation for the wall construction.