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Building insulation

  • US 5,001,879 A
  • Filed: 01/30/1990
  • Issued: 03/26/1991
  • Est. Priority Date: 01/30/1990
  • Status: Expired due to Term
First Claim
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1. A piece of insulation comprising:

  • a body of insulating material;

    a vapor barrier sheet adhered to said body of insulating material;

    said vapor barrier sheet having a first tab portion extending beyond said body of insulating material; and

    said vapor barrier sheet having a portion non-adhered to and overlapping said body of insulating material to form a second tab portion, said second tab portion of said vapor barrier sheet and said body of insulating material defining a location therebetween for receiving a first tab of another piece of insulation.

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