How To Pitch A Gable Roof

A ratio is the most common way of expressing roof pitch or roof slope but degrees are also possible.

How to pitch a gable roof. Archicad tutorial change pitch roof to gable roof in two click. Carpenters measure roof pitch as inches of rise per 12 inches of run. Determine the pitch you want for. Divide the results by the number of 12 inch segments in your level.

The pitch of a roof determines the height of the ridge board that runs the length of the house. Rise over run step 1. Use 8 penny nails to attach the first 2 in 4 in 5 1 cm 10 2 cm. Framing the gable ends 1.

View your gable from a distance with printed drawing in hand and at some distance from the actual gable try to. Cut along selected pitch lines cut along the edge of. Nail 2 boards onto your walls as top plates. Rafters are nailed to the ridge board and run down to overhang the exterior wall.

For example if you used a 24 inch level and your measurement was 12 inches the pitch in your roof is 6 in 12. So if your roof rises 4 inches for every 12 inches of horizontal length then the pitch of your roof is expressed as 4 12. You can also estimate a roof pitch by eyeballing it from the ground from the gable side with a level and ruler. The way pitch also known as roof slope is measured is rise over run.

Rise over run when calculating rise over run you will need to measure from the top of the wall to the roof peak. A 1 in 12 roof pitch roof rises 1 inch for every 12 inches of run. Add ceiling joists every 24 in 61 cm on your top plates.