Encyclopedia

Collar joint

Collar joint

The joint between a roof structure and a collar beam.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved

collar joint

1.The joint between a roof rafter and a collar beam.
2. The vertical joint between masonry withes.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive
In a barrier wall constructed with two wythes of brick (or in composite walls), a collar joint (grouted solid with mortar) joins face brick with a masonry back-up.
1995 conducted a major research program to test the compressive strength of wallettes constructed with hollow concrete units, with collar joints and different typing arrangements.
One reason is that collar joints can be positioned anywhere along the margin between metal and plastic, reportedly providing increased freedom that allows optimal distribution of the plastic.
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