Several methods exist based on the current roof design.
Extending a gable end roof.
A gable end roof overhang protects the home from moisture.
Sure you can do that.
There will be more work involved weaving the new shingles into the old but the process is really the same.
The average overhang on a gable end is 30 to 60 cm 12 to 24 inches wide.
How to extend gable end roof overhang.
This is part two there will be a l.
It sounds like you want to extend the eaves and create soffits and also extend the rake boards on the gable sides.
The wider the overhang on the gable end the less moisture infiltration.
Either the addition is added to form a t shape to the house with the ridge running perpendicular to the main house roof or the addition is continued on the end of the house making it longer with the ridge running the same way as the existing house.
Here we will focus on adding length to the end of a house roof.
Then load bearing roof beams fixed to the trusses are extended in the same way.
The minimum required overhang is determined by the local climate.
However you can have an understanding of the work being done or even do it yourself if you have prior experience with roofing projects.
With a larger tie in you can extend farther than 1.
Adding a gable roof to an existing roof is no small project and is best left to the professionals.
On the west facing side of our house climate zone 4 we have a gable end roof with the rake flush with the siding.
I figured 2 for the tie in was about the most a person could reach without having to remove the roof sheathing.
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.
And this still depends on the opening left over by the cut of the rafter at the plate the roof sets on.
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.
Is the process any different for extending a gable end overhang the process is really the same because you still need to strip off the shingles and attach the extensions back into the rafters.