Kenneth H Heisey

US Patent:

59710349, Oct 26, 1999

Filed:

Jan 9, 1998

Appl. No.:

9/005387

Inventors:

Kenneth E. Heisey - Elizabethtown PA
Paul A. Hough - Lititz PA

Assignee:

Armstrong World Industries, Inc. - Lancaster PA

International Classification:

F16L 914

US Classification:

138149

Abstract:

A duct lining insulation system for lining variable air volume boxes, air handling units, and ducts for heat ventilation and air conditioning has 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.