Overhangs can vary from a few inches to a few feet depending on preference.
Gable end gable roof overhang length.
4 choose to extend the preexisting rafters to add 2 9 inches 5 1 22 9 cm.
That said overhangs can extend as far as 2 without the need for external supports.
For the arrangement of the gable end overhang for the standard roof you lengthen the ridge beam beyond the facade for previously verified length using cut rafters.
If the gable end ov erhang uses the ladder detail method of construction and the length of the ov erhang is greater than 8 inches to 12 inches you may be able to strengthen the connection of the ov erhang by installing from the attic inch diameter lag screws that are long enough to go through the gable truss or rafter through the wall sheathing and 1 1 2 inches into the inside framing member of the ladder framing.
Then load bearing roof beams fixed to the trusses are extended in the same way.
After that you should fix the cornice board to the end sides of the ridge and the load bearing beams.
Gable end overhangs also known as rake overhangs extend all the way to the peak of the roof.
However the suggested width of an overhang is between 12 and 18 for eaves and no more than 8 for rakes.
If the gable end overhang uses the ladder detail method of construction and the length of the overhang is greater than 8 inches to 12 inches you may be able to strengthen the connection of the overhang by installing from the attic inch diameter lag screws that are long enough to go through the gable truss or rafter through the wall sheathing and 1 1 2 inches into the inside framing member of the ladder framing.
In extreme versions they appear to create the prow of a ship and are thus known also as prow overhangs.
Roof sheathing shall be continuously fastened to the top of the gable wall with the minimum fastener size and spacing specified in table 1 below.
This video will.
If you only have 1 2 inches 2 5 5 1 cm of overhang you likely need to go with this option.
This is part two there will be a l.