The dutch gable hip roof is a hybrid of a gable and hip type of roof.
Addition to roof with ridge board.
The ridge board and rafters are the strength of the roof.
Gable studs are placed between the bottom of the ridge board and the top of the wall at each end of the roof.
The ridge board runs the length of the building and provides support for the tops of the rafters helping the whole roof structure work together as a system.
Fasten a ridge board on the new roof if there is one to the ridge board on the existing roof if it has one.
Tips use a level to set all rafters or trusses level.
A modern innovation with roof tension ties was the introduction of steel rods.
This ridge is created by what is called a hip rafter.
The rafters support the sides or slope of the roof.
It works just like a ridge board but is set at an angle.
This video shows how to make roof rafters with a rafter square and or a speed squa.
A ridge beam occupies the same position as a ridge board but it is fabricated from heavier lumber and unlike a ridge board it is supported at the gable ends by structural columns.
The ridge board forms the peak and ties the rafters together side to side and end to end.
The ridge board must be set as perfectly as possible so take your time and use careful measurements.
In the valley oak drive house below a system of double 2x tension ties at each roof joist are located closer to the ridge board to create an architectural feature within the room.
In part 3 of our roof framing series we cover how to select a ridge board how to layout a ridge board how to mark it so you know where to fasten the raft.
Other elements like gable studs and cross ties supply additional bracing.
A full or partial gable can be found at the end of the ridge in the roof allowing for a greater amount of internal roof space.