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Insulation board

  • US 20010023565A1
  • Filed: 03/20/2001
  • Published: 09/27/2001
  • Est. Priority Date: 03/21/2000
  • Status: Abandoned Application
First Claim
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1. An insulation board for use in construction and provided for fluid drainage away from a building, the insulation board comprising:

  • a body having a top surface and a bottom surface, frustums coupled to the top surface of the body, each frustum having a base portion coupled to the top surface of the body and a tip portion spaced apart from the top surface of the body, and fluid flow passageways positioned to lie between the frustums.

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