Transverse ceiling beam set below wall plate level in order to increase head room within the roof space; it carries knee principals, or the struts or braces of an interrupted tiebeam truss
see also Knee principal, Interrupted tiebeam
Transverse ceiling beam set below wall plate level in order to increase head room within the roof space; it carries knee principals, or the struts or braces of an interrupted tiebeam truss
see also Knee principal, Interrupted tiebeam
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