Thermal duct lining insulation

  • US 5,971,034 A
  • Filed: 01/09/1998
  • Issued: 10/26/1999
  • Est. Priority Date: 01/09/1998
  • Status: Expired due to Term
First Claim
Patent Images

1. Duct lining thermal insulation comprises a sheet of a flexible, closed cell foam composition, said sheet having a face with a substantially smooth surface and having a coating of a pressure sensitive adhesive on a second face of the sheet, further providing that the pressure sensitive adhesive has a volatile content that is sufficiently low so that the adhesive gives off substantially no volatiles.

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