Pre manufactured stock trusses are constructed with spruce pine fir spf or southern yellow pine syp lumber.
Front roof truss.
The king post roof truss is the simplest of the trusses because of its simple composition.
A mono truss roof allows for more sunlight and visual space proper drainage and relatively cheaper.
Roof trusses are engineered wood alternatives to hand framed rafters.
These trusses the meet building code criteria as specified by structural building components of america sbca and the truss plate institute tpi.
It s often used for sheds garages or extension of an existing roof.
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It is often used in simple roof trusses such as in the shed porch and garage.
They support live and dead loads by efficiently transferring the loads to the building walls or supports.
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Examples of live loads are snow wind rain and temporary construction loads.
In a nutshell it s made up of a central vertical post called the king post two rafters meeting at the apex and a tie beam or the horizontal base.
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They are designed at a 4 12 pitch to be spaced 2 foot on center.