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King Post Truss
Span (ft) 6/12 or less 6/12 or more
8ft * *
10ft * *
12ft * *
14ft * *
16ft * *
18ft * *
20ft * *
Queen Post Truss
Span (ft) 6/12 or less 6/12 or more
8ft * *
10ft * *
12ft * *
14ft * *
16ft * *
18ft * *
20ft * *
Modified Queen Post
Span (ft) 6/12 or less 6/12 or more
8ft * *
10ft * *
12ft * *
14ft * *
16ft * *
18ft * *
20ft * *
Hammer Beam Truss
Span (ft) 6/12 or less 6/12 or more
8ft * *
10ft * *
12ft * *
14ft * *
16ft * *
18ft * *
20ft * *
Simple King Post Truss
Span (ft) 6/12 or less 6/12 or more
8ft * *
10ft * *
12ft * *
14ft * *
16ft * *
18ft * *
20ft * *
Common Rafter Truss
Span (ft) 6/12 or less 6/12 or more
8ft * *
10ft * *
12ft * *
14ft * *
16ft * *
18ft * *
20ft * *