Residential Roof Truss Spans

When making a selection below to narrow your results down each selection made will reload the page to display the desired results.

Residential roof truss spans.

Click to add item 26 spreadweb residential roof truss 6 12 pitch 87 to the compare list. Up to 40 open framing for plumbing. 8 10 foot 1 10 foot 1. 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.

These allowable spans are based on nds 91. Again this length can be adjusted to fit the need of the truss. Post frame trusses are designed to be placed at spans greater than two feet on center. The typical overhang for residential is between 16 inches and 24 inches.

Shop roof trusses spacer floor truss. Overhang this is the extra part that extends beyond the exterior wall of the home. Basic lumber design values are f 2000 psi f 1100 psi f 2000 psi e 1 800 000 psi duration of load 1 00. Over 51 sizes styles in stock.

Post frame trusses can be used for agricultural residential commercial or industrial use. Spread web storage trusses are engineered to have a small area to allow storage within. The same is true if we make it steeper. Custom trusses up to 100 span.

If the overhang extends beyond 24 inches say to 30 inches then a 2 6 top chord for the tail section will be required to handle the additional overhang. This 26 span truss with a 4 12 roof pitch is the most economical truss we can build. Included are a series of representative roof truss span tables that will give you an idea of the truss spans available for a particular load condition load duration lumber type and truss configuration. Keep in mind that these tables are for estimations only.

While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses. Spacing of trusses are center to center in inches. Flat the most economical flat truss for a roof is provided when the depth of the truss in inches is approximately equal to 7 of the span in inches. If we go any larger it will require more webbing inside the truss which will directly affect the cost of the truss.

Here s a common truss design.