In snow country, you space the poles and the trusses the same distance apart. 6, 8, or 9 feet is common. Truss directly on top of the pole each time. Plates just hold poles together, and side load wind loading, no actual roof weight.
An exception is 8 foot pole spacing, 4 foot truss spacing.
Bigger spacing than that, or having more trusses than poles, ends up using too much wood for the plates and such.
In snow load country.
Really any building will use about the same amount of wood. Stick built 2 foot spacing takes more nails and labor, but is easier to finish out.
A pole building goes up quicker and only a tiny bit of wood savings. If you use better quality wood you can use less wood, but each pice of wood costs more.
But they get real close on amount of wood no matter how you build them, if you engineer it out right.
If you scrimp or cheat on the wood grade, well...... You notice those buildings a lot on the heavy snow years every 6-10 years.......
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Today's Featured Article - Fasteners: The Nuts and Bolts of Nuts and Bolts - by Curtis Von Fange. The nuts and bolts of nuts and bolts is an interesting and essential piece of knowledge that applies to our older tractors. An improperly torqued capscrew on an engine head or a shear bolt that is too hard on the driving shaft of a bushog can create havoc and make an expensive and uncalled for repair. Let�s examine the purpose and design of these fasteners in order to ensure their proper use. Fasteners are probably one of the aspects of mechanics that is given the least amount of thought.
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