Attic Truss 26 Foot Span
0 pound per square foot.
Attic truss 26 foot span. 6 12 4 12 22 22 31 26 26 36 30 30 41 32 32 44 alpine truss designs are engineered to meet specific span configuration and load conditions. The more complex the truss framework is the greater quantity of these joints will be required. My guess is that the national average for an attic truss that will create the space we just described will cost you about 100 more than a regular common truss. The same is true if we make it steeper.
Pre manufactured stock trusses are constructed with spruce pine fir spf or southern yellow pine syp lumber. These trusses the meet building code criteria as specified by structural building components of america sbca and the truss plate institute tpi. While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses. These prices change with the demand for lumber.
62 pound per square foot. How much extra money do attic trusses cost. Steeper roof pitches require longer webs which add to the cost. 26 4 12 residential common truss 62.
Total load psf duration factor live load psf roof type 55 1 15 40 snow shingle 55 1. Live load top chord. Finally the truss calculator will compute the best dimensional method to connect the pieces of the truss with steel joints and a bridge. If we go any larger it will require more webbing inside the truss which will directly affect the cost of the truss.
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. 42 pound per square foot. This is 2 400 plus the cost of the. They are designed at a 4 12 pitch to be spaced 2 foot on center.
10 pound per square foot. For the 50 foot long room you ll need about 24 trusses. Dead load top chord. When making a selection below to narrow your results down each selection made will reload the page to display the desired results.
Live load bottom chord. 26 foot 12 28 foot 11. This 26 span truss with a 4 12 roof pitch is the most economical truss we can build. The shapes and spans shown here represent only a fraction of the millions of designs produced by alpine engineers.