Patent ID: 6786013
Filing Date: 2004-09-07
Classification: B32B,E04B,E04C,E04D

Abstract:
A spacer product for providing a drainage path and air space within a building structure so as to retard deterioration of the building structure, consisting essentially of:a continuous, indeterminate-length, roll-form web of thermoplastic material having a front face and a rear face, said web capable of being rolled lengthwise into a spiral roll during manufacture and unrolled lengthwise in a substantially straight direction during installation; a first set of hollow spacer elements integrally formed on said web and projecting outwardly from said front face of said web, each spacer element of said first set of spacer elements having an apex portion such that a drainage path and air space is created extending adjacent and along said front face; and a second set of hollow spacer elements formed integrally on said web and projecting outwardly from said rear face of said web in an opposite direction relative to said first set of spacer elements, each spacer element of said second set of spacer elements having an apex portion such that a drainage path and air space is created extending adjacent and along said rear face; said first set of hollow spacer elements being offset from said second set of hollow spacer elements.