Insulating secondary roof system

Details Insulating secondary roof system Insulating secondary roof system

1982-09-27

1984-05-01

Murtagh, John E.

Static structures (e.g., buildings)

With synthetic resinous component

Foam

52404, 52542, 52521, E04C 100, E04B 174, E04D 100

Patent

active

044453051

ABSTRACT:
A secondary roof system for application over existing metal roofs of the cleat panel or structural panel type. Elongated expanded polystyrene insulation panels are inserted in the roof pans of the existing metal panel roof. A plurality of interlocked secondary metal roof panels having the same width as the original roof panels is disposed over the insulation panels and the interlocking edges attached to the upwardly projecting joints of the existing metal roof panels. A small dead airspace may be provided between the secondary panel faces and the upper faces of the insulation panels.

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patent: 4314428 (1982-02-01), Bromwell
patent: 4320605 (1982-03-01), Carlson et al.

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