Patent ID: 6938383
Filing Date: 2005-09-06
Classification: E04B,E04F

Abstract:
1. A will system for a structure, the system comprising: a structural frame presenting an exterior side and an interior side; and first and second envelope layers on the exterior side of the structural frame, the first and second envelops layers being spaced apart by a plurality of furring strips, each furring strip of the plurality of furring strips including at least one layer comprising a generally planar first ply and a second ply, the first and second plies cooperating to define a multiplicity of passages extending generally transversely to a longitudinal axis of the furring strip, the plurality of furring strips arranged so as to define a plurality of enclosed cavities between the first and second envelops layers, each cavity being fluidly coupled to at least one adjacent cavity through the passages in one of the plurality of furring strips, at least one of the cavities being fluidly coupled with the outdoor atmosphere through the passage in one of the plurality of furring strips.