Wood Roof Truss Spacing

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.

Wood roof truss spacing.

The typical standard for the spacing on the roof trusses is 24 inches. We are your connection for quality pre manufactured roof truss systems. As most building these days are using those pre made trusses on the roof 24 inches become the main size for any roofing construction when it comes to its truss installation. The truss is a framework consisting of rafters posts and struts which supports your roof.

Roof truss spans up to 86 and floor truss spans up to 40 with depths from 12 to 24. After the braces are in place you will mark the distance from the edge of the building to where you would like to attach your first truss. Spacing a live load deflection limited to l 240 maximum and use lumber properties as follows. As you can see in the pictures the roof and ceiling profiles can be made in many shapes and sizes even in curves.

Spaced sheathing or 1x boards may be reduced slightly. Yet somewhere in the deep dark reaches of history lies the theory wood trusses must be spaced no more than 24 on center or maybe 48 or perhaps even eight or ten feet. 36 long garage with 12 bays. Typical roof truss spacing means that they are usually about 24 inches from centre which means at the centre of one truss there will be a two foot gap or twenty four inch gap until the centre of the next truss.

Roof trusses for over 30 years 84 lumber has been a leading manufacturer of metal plate connected roof trusses for some of the country s largest single family and commercial builders. These standards are as follows. The reality is there is no magic number. 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 required for rafters with comparable spacing and span.

Since 1978 truspro has been manufacturing roof and floor structures. We utilize state of the art technology the latest design software computerized saws and specialized jigging equipment all of which are designed to. 2x4f 2000psif 1100psie 1 8x10 2x6f 1750 psi f 950 psi f 1900 psi e 1 8x10. Truspro s staff has a combined experience of nearly two centuries.

This is most likely the standard size that you will find on pre made roof trusses.