Roof Ridge Dimensions

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.

Roof ridge dimensions.

For 2 x 6 rafters use a 2 x 8 ridge board and so on. 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. 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.

142 87 mm linear feet bundle. Specifications all dimensions are nominal width. For 2 x 4 rafters use a 2 x 6 ridge board. 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.

Check that your footage measurements are within this range so you can start off on the right foot. 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. For example if the slope is 4 in 12 and the run is 12 feet the ridge beam height m will be 4 feet. Versa lam lvl size chart laminated beam span tables charts.

Choose a ridge board that is one size larger than your common rafters. Determining the ridge beam height.