Here are the pros of trusses.
Roof truss drawings.
Roof truss design 1 24 span 2 web with plywood gussets figure 1 figure 1 roof truss 24 span 2 web with plywood gussets detailed information for a 2 web roof truss with a 24 span with plywood gussets.
Roof truss span tables alpine engineered products 15 top chord 2x4 2x6 2x6 2x4 2x6 2x6 2x4 2x6 2x6 2x4 2x6 2x6 bottom chord 2x4 2x4 2x6 2x4 2x4 2x6 2x4 2x4 2x6 2x4 2x4 2x6 2 12 24 24 33 27 27 37 31 31 43 33 33 46 2 5 12 29 29 39 33 33 45 37 38 52 39 40 55 3 12 34 34 46 37 39 53 40 44 60 43 46 64 3 5 12 39 39 53 41 44 61 44 50 65 47 52 70.
But 99 of the time a roof truss is going to give you so much more.
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The same thing is true for the bridge of the truss.
But you have to do it before you build the walls.
They support live and dead loads by efficiently transferring the loads to the building walls or supports.
Your top chords can protrude beyond the bottom chord anywhere from 1 3 feet 0 30 0 91 m.
On some roof trusses the 2 top chords extend down over the edges of the bottom chord creating a built in overhang.
Live loads are not always present.
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These steel joints are needed to support the overall truss.
The more complex the truss framework is the greater quantity of these joints will be required.
As well running an attic air duct system can be very difficult if the roof trusses were not designed for that application.
Examples of live loads are snow wind rain and temporary construction loads.
Dead loads are always present.
The pros of using roof trusses drastically outweigh the pros of stick framing.
The pros of using roof trusses instead of stick framing.
Just as there are many types of roofs with many roof parts there are many different types of roof trusses this extensive article explains through a series of custom truss diagrams the different truss configurations you can use for various roofs.
While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses.
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If you re building your own roof trusses the handiest place to assemble them is right on the shed floor.
Then use the chalk lines as a guide for cutting the truss patterns and assembling the trusses.
Finally the truss calculator will compute the best dimensional method to connect the pieces of the truss with steel joints and a bridge.
Roof truss basics roof trusses are engineered wood alternatives to hand framed rafters.
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