The cost of extending my 30 foot long roof overhang 14 inches was 340 or 11 50 per running foot for materials.
Extend roof tile overhang.
The next question is what to do with the existing eave under the new roof.
Having overhang prevents the water from making contact with the structural areas of the roof.
Two feet is the general maximum length for a typical roof overhang.
The edge of the shingles should hang over a roof between an inch and an inch and a half or between a half inch and three quarters of an inch if drip edge flashing is installed.
This can make extensive roof overhangs more trouble than they are worth in all but.
Too much overhang and the shingles could blow off in high winds.
Too little can allow water to seep into rake or fascia boards.
Here phil explains how much overhang a roof should have at the gutter.
Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials.
A typical metal roof overhang may be 2 to 4 inches or even less.
Choose a roof pitch 3 12 and roof structure 2x6 this places the new roof on top of the existing roof.
The overhang of roof shingles is the amount of the shingle that extends past the lower edge of the roof creating a lip.
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.
A good estimate for a contractor to do this same roof overhang extension would range from 50 to 85 per running foot.
To tie the design together peter chose to cut the rafter tails off the extend the exterior wall up to the underside of the new roof.
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.
Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood.
This will protect a roof from most types of damage.
Kick it or keep it.