7 Best Of What Size Should Roof Trusses Be HD Image Size. Use of manufactured roof trusses can dramatically cut labor costs when framing a gable roof compared to building rafters. You can use either 26 or 24 rafters for roofs with a 312 pitch or greater but it depends on the overall size of your shed.
Spans for 2x4 top chord trusses using sheathing other than plywood eg. 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. You can use either 26 or 24 rafters for roofs with a 312 pitch or greater but it depends on the overall size of your shed.
4 rows Jun 26 2020 Divide the length of the roof by two to determine how many trusses are needed.
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. Divide the length of the roof by two to determine how many trusses are needed. For roofs that will experience heavy snow or wind and will span the same distance use 26 rafters. Most are spaced between 18-26 inches apart.