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Exterior wall panel

  • US 4,852,316 A
  • Filed: 11/13/1987
  • Issued: 08/01/1989
  • Est. Priority Date: 11/13/1987
  • Status: Expired due to Fees
First Claim
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1. A building curtain wall panel system for use in building construction comprising:

  • a plurality of adjacent, superimposed layered panels attached to a steel stud frame, said layered panels including sequentially a phenolic foam insulation layer, a medium density calcium silicate composite panel, a sizing layer, Fiberglas mesh, a composite coating, and a sealer.

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