Roof Rafter Spacing Shed

For light load roofs 24 o c.

Roof rafter spacing shed.

It is possible to calculate a birdsmouth near the top of the rafter for a freestanding shed roof by checking the kneewall checkbox and entering a setback for the kneewall that positions the upper birdsmouth in the desired location. If you get premium kiln dried lumber then you could span 10 5 with the same size of lumber and rafter spacing. If your project had a rafter length of 8 or less a safe and strong method is to use 2x8 framed 16 on center. 2 4 rafters can span up to 7.

Builders aren t bound by standard rafter spacing measurements. A shed roof slopes in one direction only. Easy rafters is designed to calculate shed roofs that are framed to a ledger board nailed against a vertical wall not freestanding shed roofs supported by walls at both ends. Most roof framing is 24 on center and you can still build sheds up to 14 with 2 4 rafters at 24 on center.

For heavy loads 2x4s can span up to 5. The typical standard for the spacing on the roof trusses is 24 inches. Spacing your 2 4 shed rafters at 24 on center limits the width of your roof. But they do tend to space rafters in one of several industry standard increments typically either 12 16 or 24 inches apart.

There is no standard spacing it depends on what size of rafters you want to use and the span of your shed. As a general rule roofs that have a high human occupancy rate should be framed with rafters every 16 structures such as sheds or barns can be frames with rafters every 24 again make sure to consult local codes. For instance 2 grade 2x4s at 16 on center will span just over 9.