Free Span Roof Trusses

Dec 15 2013 free truss plans.

Free span roof trusses.

The rise will be the elevation change over the 12 inches. The lumber components are precision cut and assembled together with galvanized steel truss plates in a factory controlled environment. These steel joints are needed to support the overall truss. The shapes and spans shown here represent only a fraction of the millions of designs produced by alpine engineers.

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. Residential trusses save time and materials compared to conventional hand framing. 24 28 30 32 34 36 38 40 42 44 48 50 60 truss. For example a slope of 6 12 means for every 12 inches of horizontal distance the slope of the roof will rise 6 inches vertically.

Trusses are professionally designed with state of the art computer programs. Truss capacity is. As well running an attic air duct system can be very difficult if the roof trusses were not designed for that application. The same thing is true for the bridge of the truss.

The run or the base number is 12 inches. The more complex the truss framework is the greater quantity of these joints will be required. Alpine truss designs are engineered to meet specific span configuration and load conditions. Each truss bears the truss plate institute tpi stamp for quality assurance.