Roof trusses
Raised tie truss
A raised tie truss has its bottom chord set higher than the wall plates, giving a higher ceiling or more headroom in the room below.
Also known as raised tie truss, raised tie, raised ceiling truss, collar tie truss
Lifting the tie creates a partly sloping ceiling and extra headroom, often in rooms under the roof. Because the tie no longer sits at wall level, the truss tends to spread outwards more, which limits the span and must be allowed for in the design.
The term is common in the UK trussed rafter industry.
Related terms
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