Roof Rafter Spacing Shed

For light load roofs 24 o c.

Roof rafter spacing shed. For instance 2 grade 2x4s at 16 on center will span just over 9. Builders aren t bound by standard rafter spacing measurements. For standard shed roof rafter spacing see rafter span chart. If you get premium kiln dried lumber then you could span 10 5 with the same size of lumber and rafter spacing.

For heavy loads 2x4s can span up to 5. The typical standard for the spacing on the roof trusses is 24 inches. 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. Most roof framing is 24 on center and you can still build sheds up to 14 with 2 4 rafters at 24 on center.

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

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. 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.