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Cementitious exterior sheathing product with rigid support member

  • US 7,861,476 B2
  • Filed: 09/19/2005
  • Issued: 01/04/2011
  • Est. Priority Date: 11/05/2002
  • Status: Expired due to Term
First Claim
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1. An exterior sheathing product comprising:

  • a board of fiber cement material attached to a first wall and a second wall of a support member;

    the support member having a first nailing flange and fastener receiving holes through the first nailing flange;

    the support member having a second nailing flange and further fastener receiving holes through the second nailing flange, wherein the first wall and the second wall are between the first nailing flange and the second nailing flange, and wherein the board is attached to and covers the first wall and the second wall, while the fastener receiving holes and the further fastener receiving holes are uncovered by the board to receive fasteners;

    a cementitious bond promoter disposed on an exterior-facing side of said support member;

    the board of fiber cement material including a multilayered sheet; and

    an interlaminar bond strength promoter for adhesion between layers of the multilayered sheet.

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