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Structural boards having integrated water drainage channels

  • US 20090113838A1
  • Filed: 10/31/2008
  • Published: 05/07/2009
  • Est. Priority Date: 11/02/2007
  • Status: Abandoned Application
First Claim
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1. A structural board, comprising:

  • a. a top edge;

    b. a bottom edge; and

    c. two opposite outer surfaces, wherein at least one of the outer surfaces has water drainage channels.

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