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.
How to extend gable roof.
I figured 2 for the tie in was about the most a person could reach without having to remove the roof sheathing.
However you can have an understanding of the work being done or even do it yourself if you have prior experience with roofing projects.
A good estimate for a contractor to do this same roof overhang extension would range from 50 to 85 per running foot.
Then load bearing roof beams fixed to the trusses are extended in the same way.
And this still depends on the opening left over by the cut of the rafter at the plate the roof sets on.
A stick framed roof will have a rafter member looking something like this.
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You ll notice the difference in how the boards are cut to sit on the wall and create overhang.
This cost did not include any labor or waste disposal fees.
How to extend gable end roof overhang.
Several methods exist based on the current roof design.
Stick frame trusses.
With a larger tie in you can extend farther than 1.
This is probably one to check with the engineer but i imagine you will need to put in a post underneath each beam.
However for larger extensions you ll need to hire a professional to get up there and remove large portions of the roof before extending the overhang.
Extending a gable roof can be tricky since it involves working on the roof but you may be able to do it yourself if you only need to add 1 2 2 inches 1 3 5 1 cm.
The post may simply be a double stud built into the new stud wall depends on what engineer specifies.
Adding a gable roof to an existing roof is no small project and is best left to the professionals.