Collar tie


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Collar tie

In wood construction, a timber that prevents the roof framing from changing shape.

collar tie

In wood roof construction, a timber which prevents the roof framing from changing its shape.
References in periodicals archive ?
Collar tie beams, salvaged from a dairy barn, and ceiling board paneling, salvaged from a church, both from Heritage Salvage (see above).
With that and the collar ties that needed to go through the wall itself, Amy and Jeff stopped using the forms and hand-built the wall around the collar ties and over the plywood form used to create the archway.
Buttrick raised the collar ties, the structural members that support the rafters.
To reinforce the remaining structure, heavier floor joists replaced ceiling joists, rafters were doubled up, and collar ties were added near the roof peak.
The examples on these pages show a variety of solutions: removing some joists and doubling up others, tying the roof rafters together with collar ties (cross-pieces that parallel the old ceiling level but connect at points higher up the rafters), or taking some of the roof load off the walls and carrying it with beams added at the ridge or at points along the rafters.