While roof overhang depth can differ depending on the style of the home standard overhangs extend outward about 24 inches.
How to extend roof eaves.
First nail the subfascia and fascia to the rafter tails next match the thickness of the existing roof sheathing as best as you can within 1 8 in.
If you want to extend the rafters farther to cover a walkway or a porch.
This cost did not include any labor or waste disposal fees.
After that to make it flush with the roof of the existing house cut the two outer rafters.
You have to do it thoroughly so that the rafters sit flush on it.
With roofing you again have a couple of choices.
This gets snow and ice drip line farther away from the building walls without the danger of the metal roofing bending under the weight.
This video will.
A good estimate for a contractor to do this same roof overhang extension would range from 50 to 85 per running foot.
Some metal roofs have wood framed eaves that extend several inches or a foot beyond the house or shed wall to support metal roofing.
Attach the horizontal beam by using a nail gun.
With the rafter extensions installed you can turn to trimming sheathing and roofing.
Make a cutting on one of the sides of the horizontal roof beam on an angle.
Then load bearing roof beams fixed to the trusses are extended in the same way.