Framing Hip And Ridge Roof

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.

Framing hip and ridge roof.

If we consider the rectangular shape of most buildings then hip roofs will be constructed with two triangular sides and two trapezoidal sides. The constituents of a hip roof happen to be the common rafters ridge board jack rafters and hip rafters. Ply sheathing angle and cut set back both sheet orientations sheathing hip cut calculator hip roof ply cut angle diagram 1138 93 ft 35 6 sheets waste 40 sheets. 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. Hip roof framing hip to common to ridge join diagram. Attach 4 6 centering rafters and lift the ridge beam into place. Above and the ridge board the gable roof features just universal rafters as its solitary components.

The first step in the process of erecting the hip roof is to get the ridge beam into place at the top of the roof. 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. This roof doesn t always feature the ridge board.

Determining the ridge beam height.