Width Length Style
24' 24' and longer (rafters spaced 6') Single Pipe Arch
30' 30' and longer (rafters spaced 6') Single Pipe Arch
36' 40' and longer (rafters spaced 5') Single Pipe Arch
42' From 50' and longer (Trusses spaced 10') Truss Arch/Pony Wall
42' From 50' and longer (Trusses spaced 10') Truss Arch/Truss Wall
56' From 60' and longer (Trusses spaced 10') Truss Arch/Pony Wall
56' From 60' and longer (Trusses spaced 10') Truss Arch/Truss Wall
64' From 70' and longer (Trusses spaced 10') Truss Arch/Truss Wall
70' From 60' and longer (Trusses spaced 10') Truss Arch/Truss Wall
75' From 80'and longer Gable Style (*Trusses can be spaced 12',16' or 20')
85' From 80'and longer Gable Style (*Trusses can be spaced 12',16' or 20')
100' From 80'and longer Gable Style (*Trusses can be spaced 12',16' or 20')
110' From 80'and longer Gable Style (*Trusses can be spaced 12',16' or 20')
125' From 80'and longer Gable Style (*Trusses can be spaced 12',16' or 20')
135' From 80'and longer Gable Style (*Trusses can be spaced 12',16' or 20')
Sizes
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Quality
Cover

Pro Tec Buildings by Sioux Steel
.
The following chart is a guide for you to use as you plan your structure. As you can see,
there are several sizes to choose from to meet your specific need.
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* Truss spacing varies depending on wind and snow load requirements.