Standard stick framing or the newer truss framing.
Over frame roof.
And the line length measurement from the roof peak to the building wall is the hypotenuse.
The rise or height of the roof at its peak is the altitude of the triangle.
The run or half the building span is the base of the triangle.
Replacing a roof can be expensive but if a roof contains only a small slope it s possible to raise the roof pitch of a house by building a roof over the old one.
Roof framing can be simple or complex depending on the roof.
Below is a link to a roof plan with a section that is over framed see note 3.
From one end of the rafter material using a speed square or framing square mark an x in 12 angle on the rafter and cut it measure down y height from the long point of the rafter cut and make a mark.
This new roof with a higher pitch can be accomplished with premade roof trusses and typical asphalt shingles.
Framing a roof is the last step in framing new construction.
Overhangs hips and dormers add greatly to the complexity of the framing.
By ensuring that the roof over provides adequate overhang it is possible to ensure that the windows and walls of the mobile home are protected from extreme weather.
Over framing is when you frame a roof section on top of another roof section such as when joining a l shaped roof with each section at right angles to each other etc.
Roof framing rafter layout.
Nearly all roofs are framed using one of two methods.
However building the roof will be easier if there are two people working on the roof together.
Stick truss roof framing.
Anyone with basic carpentry skills can build a roof over a mobile home.
A roof over a mobile home can also help prevent damage from falling tree limbs as well as cut down on the annoying noise of hearing heavy raindrops falling on the roof.
The exposed edges of the 3 layers of rigid insulation are no longer exposed.
Box beam gable framing new gable overhang is framed in the form of a box beam hanging off of a new layer of roof plywood roof sheathing cantilevered over the top of the 3 layers of rigid insulation.
This will the first point of the rafter measurement line using the results of your rafter length calculation measure from this point along the rafter measurement.