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Profiled insulating underboard

  • US 4,320,613 A
  • Filed: 05/17/1979
  • Issued: 03/23/1982
  • Est. Priority Date: 05/17/1979
  • Status: Expired due to Term
First Claim
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1. In combination with a building presenting an external support surface, a wall covering system for the building, comprising:

  • (A) at least one sheet of insulating material having(1) a generally rectangular planar configuration,(2) a substantially flat rear surface, and(3) a profiled outer surface;

    (B) a plurality of siding panels each having a connecting flange and a nailing strip on its top edge and a return element on its bottom edge;

    (C) said profiled outer surface of said sheet of insulating material being contoured complementally with the inner surfaces of said siding panels;

    (D) attachment means passing through said siding panels and said insulating material and engaging said support surface to secure said siding panels and said insulating material to said support surface; and

    (E) said sheet of insulating material having a series of laterally extending, integral projections on one longitudinal edge surface.

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