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.
Roof truss design for 32 fooot house.
The lumber components are precision cut and assembled together with galvanized steel truss plates in a factory controlled environment.
32 foot 7 34 foot 1 36 foot 6 40 foot 5.
A truss for a gable roof on one side of your home for example might need to be 15 feet 4 6 m long and 4 6 feet 1 2 1 8 m tall.
While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses.
Truss capacity is.
Total load psf duration factor live load psf roof type 55 1 15 40 snow shingle 55 1.
The same thing is true for the bridge 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.
The dimensions of your structure will determine the angles formed by the truss s top and bottom beams or chords.
24 28 30 32 34 36 38 40 42 44 48 50 60 truss.
A stick framed house used 20 643 board feet of lumber while a component framed house including roof trusses used only 15 052 board feet of lumber.
That is 25 less lumber which means more money in your pocket as the builder and more money in the pocket of the homeowner.
Finally the truss calculator will compute the best dimensional method to connect the pieces of the truss with steel joints and a bridge.
Secondly roof trusses can span very large distances.
These steel joints are needed to support the overall truss.
2 variations available 24 6 12 residential truss.
Trusses are professionally designed with state of the art computer programs.
The more complex the truss framework is the greater quantity of these joints will be required.
The shapes and spans shown here represent only a fraction of the millions of designs produced by alpine engineers.
Each truss bears the truss plate institute tpi stamp for quality assurance.
Designs 8 11 designs 12 13.
There are two primary advantages of roof trusses.
Residential trusses save time and materials compared to conventional hand framing.
Pole barn plans garage plans small buildings metal buildings cargo container homes container houses truss structure arched cabin contemporary cabin.
The first is that they are factory built making them far less labor intensive than forming and installing a roof support system on site.