Shed Roof Ridge Beam

The difference between them is that a ridge beam is a structural member that bears half of the live and dead loads of the rafters on either side of it but a ridge board is not structural.

Shed roof ridge beam.

However our instructions include making shed rafters with a ridge beam. Yes either a ridge board or a ridge beam is necessary and required by the building code where roof rafters meet at the the center of their span. Some shed rafters do not incorporate ridge beams either due to small size or lack of technical know how. I always always build trusses.

Structural ridge beam tricks of the trade span for residential framing glulam ridge beam span table elcho beams tables golagoon nz glulam beam span tables designing with roof rafter span tables. A simple gable shed roof is often built using 2 4 or 2 6 lumber for the rafters and 2 4 for the collar ties. Lawriter oac 4101 8 01 roof ceiling construction. A ridge beam runs the length of the shed roof connecting every pair of rafters.

For example if the slope is 4 in 12 and the run is 12 feet the ridge beam height m will be 4 feet. Here s a picture of a gable style shed using a ridge beam. If you know the slope x in 12 you want to use for your roof framing design you can use it along with the run r to determine the height of the ridge beam. One collar tie would be enough in your case.

The term pitch refers to the slope of the roof. Shedme shed roof rafter span. Versa lam lvl size chart laminated beam span tables charts. Building trusses on site is easily done for a shed.

Now if you have done any looking around this site you ll quickly see that i am not a fan of using a ridge beam in shed construction. In order to adhere to standardized building codes and ensure adequate runoff your shed s roof must have a pitch of at least 3 12 read as three in twelve. The rafters are angle cut at the ridge end and notched with a birdsmouth where it meets the top plate of the supporting wall. You don t need a ridge beam but you do need a way to keep the walls from spreading.

This can be accomplished with collar ties boards spanning the shed at ceiling height or with large gussets further up the rafter slope. A proper beam would have a supporting post at each end.