Roof Ridge Dimensions

Specifications all dimensions are nominal width.

Roof ridge dimensions.

You will need to express this size in terms of square feet. 142 87 mm linear feet bundle. Ridge boards and beams. 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.

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. Choose a ridge board that is one size larger than your common 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. Timber steel framing manual single span ridge beam.

For 2 x 4 rafters use a 2 x 6 ridge board. For 2 x 6 rafters use a 2 x 8 ridge board and so on. 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. Check that your footage measurements are within this range so you can start off on the right foot.

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. The ridge board s length will be the outside measurement of the building plus the length of the overhang at both ends.