If you want to extend the rafters farther to cover a walkway or a porch.
How to extend roof eaves.
This gets snow and ice drip line farther away from the building walls without the danger of the metal roofing bending under the weight.
Then load bearing roof beams fixed to the trusses are extended in the same way.
You have to do it thoroughly so that the rafters sit flush on it.
While roof overhang depth can differ depending on the style of the home standard overhangs extend outward about 24 inches.
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.
The cost of extending my 30 foot long roof overhang 14 inches was 340 or 11 50 per running foot for materials.
This cost did not include any labor or waste disposal fees.
Make a cutting on one of the sides of the horizontal roof beam on an angle.
With the rafter extensions installed you can turn to trimming sheathing and roofing.
With roofing you again have a couple of choices.
After that to make it flush with the roof of the existing house cut the two outer rafters.
Of the existing material is good.
Attach the horizontal beam by using a nail gun.