20 Foot Span 16 Foot Roof Truss Design
The shapes and spans shown here represent only a fraction of the millions of designs produced by alpine engineers.
20 foot span 16 foot roof truss design. The 16 ft roof truss design can go up against different style that when nitty gritty right can ooze a cutting edge feel. Finally the truss calculator will compute the best dimensional method to connect the pieces of the truss with steel joints and a bridge. Total load psf duration factor live load psf roof type 55 1 15 40 snow shingle 55 1 15 30 snow tile 47 30 snow 40 20 snow 1 25 20. Just keep in mind that if the length of the board size is more than 20 feet then you need to use a more expensive type of lvl board and not a traditional pine board for this longer length.
Alpine truss designs are engineered to meet specific span configuration and load conditions. The dimensions of your structure will determine the angles formed by the truss s top and bottom beams or chords. Custom trusses up to 100 span. As well running an attic air duct system can be very difficult if the roof trusses were not designed for that application.
Shop roof trusses spacer floor truss. The lumber components are precision cut and assembled together with galvanized steel truss plates in a factory controlled environment. Connector plates are generally 16 gauge to 20 gauge depending on truss design requirements. B on center inches between trusses c width of bottom cord in feet.
For example in the rafter span table below the highlighted cell in the 40 live load table indicates that 2 x 8 southern yellow pine joists that have a grade of 2 that are spaced 24 apart can have a maximum span of 10 feet 3 inches 10 3 if designing for a live load of 40 lbs ft 2. Overview building design truss design retaining wall design tall wall design requests. A roof length in feet. 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.
Shop our wide selection of stock and custom roof trusses to complete your building project. Over 51 sizes styles in stock. 16 foot 7 18 foot 7 20 foot 10 22 foot 6 24 foot 15 26 foot 12 28 foot 11 30 foot 12 32. 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.
Trusses are professionally designed with state of the art computer programs. Use our gable roof truss calculator for labor savings when planning to replace rafters with manufactured roof trusses.