Roof Truss Spacing

A roof truss is a structural framework usually made from wood that bridges the space between the ceiling of the top level and the roof structure.

Roof truss spacing. 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. Metal roofs and pole buildings. This is important to consider and measure exactly because if you are few millimeters out away from your actual place for truss it will put immense pressure on that truss. Roof truss spacing seems to be a topic with no consensus.

The bay is the space within the truss and the longitudinal joining members are purlins. The reality is there is no magic number. 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. These are typically spaced at certain intervals to provide the necessary support for the roof.

But in general it doesn t matter if the truss spacing is at 12 16 or 24 inches. These standards are as follows. Most are spaced between 18 26 inches apart. Once you ve calculated the number of trusses you will need you should purchase the lumber.

Typical standard the typical standard for the spacing on the roof trusses is 24 inches. This is most likely the standard size that you will find on pre made roof trusses. 36 long garage with 12 bays. Another factor that will have its impact on truss spacing is the width of building.

Most americans live in traditional stick framed houses apartments or condominiums where roof trusses if they were utilized rather than using dimensional lumber rafters are most typically spaced every two feet. 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. The trusses should be a little longer than the exact width to allow for overhang and you will need sufficient trusses to mount across the length.