Framing Hip And Ridge Roof

Above and the ridge board the gable roof features just universal rafters as its solitary components.

Framing hip and ridge roof.

The constituents of a hip roof happen to be the common rafters ridge board jack rafters and hip rafters. Place the 4 6 common rafters in their designated positions along the 2 longest walls and nail them firmly to the wall with a nail gun. Determining the ridge beam height. 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 example if the slope is 4 in 12 and the run is 12 feet the ridge beam height m will be 4 feet.

The finished ridge beam height z above the top of the wall will be m plus the y height. A hip roof can be termed somewhat more intricate for framing compared to a gable roof. Whereas in the case of square buildings hip roofs are more commonly pointed toward the top portion while forming a pyramid like structure. Hip roofs are constructed with four rafters that usually meet on a ridge board that is situated at the middle portion of the roof.

If we consider the rectangular shape of most buildings then hip roofs will be constructed with two triangular sides and two trapezoidal sides. This roof doesn t always feature the ridge board. To calculate the length of a ridge in a hipped roof you simply subtract the width away from the length. Importantly though you must add the thickness of the ridge back on to that measurement so we can use the same common rafters already measured we ve removed the 50mm purple ridge from above so need to now add 50mm on to the new longer ridge.

Hip roof framing hip to common to ridge join diagram.