A collar beam or collar is a horizontal member between two rafters and is very common in domestic roof construction. Often a collar is structural but they may be used simply to frame a ceiling. A collar beam is often called a collar tie but this is rarely correct. A tie in building construction is an element in tension rather than compression and ...
In carpentry, a tie that keeps the roof from spreading. They serve to stiffen the roof structure. Connects similar rafters on opposite sides of roof. 
A structure component to prevent roof spreading by tying together opposing sets of roof rafters. See Beam.
In carpentry, a tie that keeps the roof from spreading. Connects similar rafters on opposite sides of roof.
A structure component to prevent roof spreading by tying together opposing sets of roof rafters. See Beam.
- Nominal 1- or 2-inch-thick members connecting opposite roof rafters. They serve to stiffen the roof structure.
In architecture, a collar beam (also known simply as a collar) is a horizontal piece of timber connecting and tying together two opposite rafters.
Nominal 1- or 2-inch-thick members connecting opposite roof rafters. They serve to stiffen the roof structure.
Nominal 1 or 2-inch-thick members connecting opposite roof rafters. They serve to stiffen the roof s
Nominal 1