Drainage system for use in masonry block construction

Details Drainage system for use in masonry block construction Drainage system for use in masonry block construction

2005-03-02

2008-11-11

Canfield, Robert (Department: 3600)

Static structures (e.g., buildings)

Wall, ceiling, floor, or roof designed for ventilation or...

C052S169500, C052S302400, C052S302600

Reexamination Certificate

active

07448175

ABSTRACT:
A drainage system for use in concrete masonry unit (CMU) wall construction comprises a tray unit of a size corresponding to size of CMUs, to be received beneath a course of CMUs, in use. The tray unit comprises opposite side flanges to abut a superjacent CMU and supporting a pan therebelow. The pan may be angled from back to front and from side edges to a middle portion thereof to urge water toward a front middle portion of the tray.

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