Cavity-wall construction with insect barrier

Details Cavity-wall construction with insect barrier Cavity-wall construction with insect barrier

2007-12-19

2011-11-22

Gilbert, William (Department: 3635)

Static structures (e.g., buildings)

Specified terranean relationship

With drain or vent exterior to foundation perimeter

C052S379000, C052S562000

Reexamination Certificate

active

08061090

ABSTRACT:
An improved device for use in a cavity-wall construction includes a water-permeable body yielding a first-average opening size that is large enough to permit water to pass therethrough, but small enough to substantially prevent mortar and other debris from passing therethrough. The device includes a water-permeable material likewise adapted to permit water to pass therethrough, but also forms a barrier to insects which are of an effective size that is much smaller than the first-average opening size.

REFERENCES:
patent: 3754362 (1973-08-01), Daimler et al.
patent: 5343661 (1994-09-01), Sourlis
patent: 6588158 (2003-07-01), Nickell et al.
patent: 2001/0023564 (2001-09-01), Phillips

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