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Roof trusses

Overhang (eaves)

The overhang is the part of the top chord that extends beyond the outside of the wall, forming the eaves of the roof.

Also known as overhang, eaves overhang, roof overhang, truss tail, eaves

The overhang carries the roof out past the wall so rainwater falls clear of the facade, and it supports the fascia, soffit and gutters. Its length is set by the design of the building and is part of each truss drawing.

The overhang is usually a continuation of the top chord. Long or complex eaves can be formed with separate pieces fixed to the truss after pressing.

Apex (ridge) Nail plate Top chord Web Bottom chord Heel Overhang Span
The parts of a typical fink (W) roof truss. Every joint is held by a nail plate.
Related terms
Heel (truss heel)The heel is the joint at each end of a truss where the top chord meets the bottom chord, usually directly over the supporting wall. Top chordThe top chord is the upper, usually sloping member of a truss that forms the roof slope and carries the roof covering. RafterA rafter is a sloping roof beam that runs from the ridge down to the wall plate and carries the roof covering.
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