Roof Ridge Dimensions

Timber steel framing manual single span ridge beam.

Roof ridge dimensions.

Check that your footage measurements are within this range so you can start off on the right foot. Determining the ridge beam height. Ridge boards and beams. In traditional house framing also called stick framing a basic roof frame consists of opposing pairs of sloping rafters that meet at their top ends at a ridge board or ridge beam.

The top end of each rafter is cut at an angle so that it meets flush with one broadside of the ridge board and the ridge is sandwiched between the rafters. Choose a ridge board that is one size larger than your common rafters. You will need to express this size in terms of square feet. 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.

For 2 x 6 rafters use a 2 x 8 ridge board and so on. The ridge board s length will be the outside measurement of the building plus the length of the overhang at both ends. For 2 x 4 rafters use a 2 x 6 ridge board. Specifications all dimensions are nominal width.

Keep in mind that the average size of a roof is 1 700 square feet so your total will likely be 10 higher or lower than this figure. Rafter to ridge beam connection framing roof ceiling construction structural ridge beam absolute deflection in a ridge beam structural ridge beam tricks of the trade.