Standard Roof Truss Spans

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.

Standard roof truss spans.

The more complex the truss framework is the greater quantity of these joints will be required. Custom trusses up to 100 span. When making a selection below to narrow your results down each selection made will reload the page to display the desired results. Over 51 sizes styles in stock.

This makes the roof ready for decking or sheetrock. Finally the truss calculator will compute the best dimensional method to connect the pieces of the truss with steel joints and a bridge. Click to add item 24 spreadweb residential roof truss 5 12 pitch 87 to the compare list. Girder trusses are designed to carry additional loads other than standard roof loads.

While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses. You will also incur additional costs because it is much harder to deck and shingle a roof that is 12 12 pitch versus a 4 12 roof. The distance between trusses. 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 standard spacing is 2. Standard framing details for use in preliminary design. Alpine truss designs are engineered to meet specific span configuration and load conditions. Shop roof trusses spacer floor truss.

This is the distance between trusses. You can use sbca s span charts to roughly determine truss sizes available. 8 10 foot 1 10 foot 1. These steel joints are needed to support the overall truss.

The steeper the roof the more expensive the trusses get because the longer the boards get and the more roof area increases. Common or standard trusses are symmetrical and have standard four inch heels. The same thing is true for the bridge of the truss. A few customers prefer installing the trusses every 16 on center because they believe this will be.

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. Almost all residential trusses use this spacing. The standard roof truss spacing is 2. Up to 40 open framing for plumbing.

A truss with the same pitch and heel on both sides and a peak at the center is called a common truss.