Cardboard spacer/seal as thermal insulator

Details Cardboard spacer/seal as thermal insulator Cardboard spacer/seal as thermal insulator

1993-10-13

1995-03-07

Friedman, Carl D.

Static structures (e.g., buildings)

Composite prefabricated panel including adjunctive means

Sandwich or hollow with sheet-like facing members

E09C 254

Patent

active

053946715

ABSTRACT:
A multi-paned insulated light, such as a window, incorporates an interior panel spacer/seal that includes a thermal insulating layer of cardboard. The cardboard serves as a low cost insulating layer and may be used in conjunction with rolled or extruded metal spacer forms, so as to vastly diminish the thermal bridging effect normally present with such metallic sections. The cardboard spacer can be used adjoining either the "cold" pane or the "hot" pane of the multi-paned unit, or may be interposed between adjacent metallic sections, as a thermal break therebetween. The cardboard is preferably sealed with a surface sealing layer such as polyvinyl alcohol, to effectively preclude gas percolation therepast.

REFERENCES:
patent: 4613530 (1986-09-01), Hood et al.
patent: 5290611 (1994-03-01), Taylor

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