Washer for use with exterior insulation

Details Washer for use with exterior insulation Washer for use with exterior insulation

1995-10-12

1997-05-06

Lindsey, Rodney M.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Washer structure

Including means for retaining washer to fastener

411531, 411368, 411369, 52410, 52512, F16B 3300, F16B 4300

Patent

active

056264518

ABSTRACT:
A washer, for use with a fastener for attaching a slab of insulation and a covering mesh to a substrate, has fingers which automatically partially block its entry aperture when the fastener is tightened so that a finish applied over the washer does not fill the cavity of the washer. This reduces the conduction of heat through the insulation by way of the finish material and the fastener. It also provides an undercut surface for improved adhesion of the finish material to the washer.

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Wind-Lock Corporation Catalog No. 30, pp. 4-9, dated Jul. 6, 1994.

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