Steel Roof Truss Spacing

12 50 a foot up to 20 14 95 a foot over 20 we stock 24 30 and 40 gable trusses and 12 lean to trusses.

Steel roof truss spacing. The manufacturers of the steel roof truss plates also referred to as gussets or gang nails provide the engineering design for pre fabricated wood trusses. The roof truss spacing standard is important because eighty percent of new homes are built with standard pre fabricated trusses. Gable trusses are in stocked in a 4 12 slope x 20 24 30 and 40 width and special order up to 50 wide 60 for tubing trusses. In some cases however the exact spacing of the rafters doesn t matter if the roof has other means of supporting the metal panels.

A 10 8 6 and 4 spacing between trusses has been the standard for most types of construction for years. 12 50 a foot 12 40 14 95 a foot 42 60 all lean to shed trusses 1 12 pitch. Their programs will allow for trusses to be placed on 12 foot or even 16 foot centers and their engineers will place their engineer s seal on the drawings to verify. Standard roof truss spacing.

Steel trusses come in three types. Made in the usa. Gable lean to and header. Engineers have since determined however that the physical design of a post frame building will allow for standard spacing as great as 12 feet from the center when using high quality metal connector plates and lumber.

Although the standard spacing of roof trusses may be the same as that of rafters with 24 inch spacing being a common option the design of a truss may allow for the use of a lower grade of lumber than would be. This means that if you re in charge of repairing or installing roofing trusses you ll be expected to hold to these standards. When spaced 10ft they will withstand 110mph winds and 32 lbs ft snow load. One goal of truss design is to build a roof structure that is as strong as necessary but that uses the minimum amount of lumber.

Options to set the roof girders on wood post or concrete wall also available. All come with 16 overhang past post. Panel basics corrugated metal panels often called tin because in the past such panels were sometimes made of tin are typically steel or aluminum sheets that are used as a roofing material. These standards are as follows.

The same thing is true for the bridge of the truss. All american made engineered agricultural gable trusses 4 12 pitch heavy duty 2 angled steel painted black. The more complex the truss framework is the greater quantity of these joints will be required. We can help you design pole barns to meet so many needs we supply a wide range of steel trusses.

Typical roof truss. These steel joints are needed to support the overall truss.