Metal Flat Roof Truss Design

Typical residential loading covers standard decking and shingles metal along with the sheetrock on the ceiling.

Metal flat roof truss design.

These structures generally have a flat roof structure because they are already at a high height. The load span tables shown below demonstrate only a tiny subset of the possible combinations available with trussteel cfs roof trusses. 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. We can help you design pole barns to meet so many needs we supply a wide range of steel trusses.

While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses. When spaced 10ft they will withstand 110mph winds and 32 lbs ft snow load. This is crucial for truss design because otherwise the trusses may not be built to handle the appropriate load. 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.

Typical roof truss design spans. Paint dipped for rust protection. Top general geometry for efficient structural performance the ratio of span to truss depth should be chosen in the range 10 to 15. Standard truss designs are available from 10 wide through 100 wide clear spans with option for half trusses self supporting overhangs and mezzanine systems.

What you ll need if you want to build a flat roof then you will need to build a flat roof truss. An advantage of the truss design for roofs is that ducts and pipes that are required for operation of the buildings services can be installed through the truss web i e. They are used in construction of roofs of fairly large objects such as shopping malls logistical parks and warehouses. As we will see below there are several different types of designs and this will impact the angles and designs of the overall truss.

U s steel truss is a direct source for steel truss and components for contactors and private labelers that want to put their own building packages together. Every trussteel roof truss is a custom design based upon the unique load span bearing use and code criteria of a particular project. These are designed to span the space between two load bearing walls and take the weight from the roof onto these walls.