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Cavity Width in Masonry Walls[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: "seaint(--nospam--at)seaint.org" <seaint(--nospam--at)seaint.org>
- Subject: Cavity Width in Masonry Walls
- From: "WILLIAM R. KEEN" <wrk(--nospam--at)clarknexsen.com>
- Date: Tue, 29 Sep 1998 17:36:42 -0400
Does anyone have any experience with large cavities (>3") in masonry cavity wall design and construction? UBC permits up to 4 1/2" with the proper ties, but NAVFAC P-355 restricts cavity width to 3" unless spot mortar bedding is used to stiffen the ties. We have a project with CMU backup, 2" insulation and clay brick veneer. To get a clean cavity, the architect has specified a 2" air space for a total cavity of 4". The Navy said no to any more than a 3" cavity. The project is located in Norfolk, Virginia (Zone 1). Bill Keen Clark Nexsen
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