Truss Spacing For Metal Roof

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.

Truss spacing for metal roof. These standards are as follows. 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. Just keep in mind that if the length of the board size is more than 20 feet then you need to use a more expensive type of lvl board and not a traditional pine board for this longer length. I ve had roof truss manufacturers try to convince me it is impossible to place wood trusses at spacings of over every 4 feet.

Typical standard the typical standard for the spacing on the roof trusses is 24 inches. With this design change roof trusses could be placed 12 feet apart making it possible for roofs to support the loads to which they would be subjected. 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. Most economical when the difference in slope between the top and bottom chords is at least 3 12 or the bottom chord pitch is no more than half the top chord pitch.

Their defense is our engineers will not allow us to. 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 were usually produced on site in the past. For instance if you are spacing your trusses 18 inches apart make a mark 18 inches from the edge.