Too much overhang and the shingles could blow off in high winds.
How to shingle under a close roof overhang.
How far beyond the drip edge should an asphalt shingle extend.
In this installment of our series on roofing problems we ll talk about incorrect overhang of shingles.
Simply put this is faulty installation where the shingles extend too far over the edge of the roof or are too close to the edge.
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.
A architect and roofing consultant harrison mccampbell responds.
Or whatever your local borg calls roofing tar in a caulk tube the alternative to only sticking them on is of course to stick the shingle up in then facenail it as high up as you can reach under the overhang then wetstick the nail heads.
Most shingle manufacturers along with the asphalt roofing manufacturers association s residential asphalt roofing manual call for a 1 4 inch to 3 4 inch overhang at both rakes and eaves.
99 of the time i see it cut close to flush with the metal drip edge but this latest one overhangs by nearly 1 does anyone see a problem with this both the eaves and rake were like this looks good jeff and it also helps prevent capillary action water will drip off the shingle instead of running off the fascia.
Too little overhang and the water can leak through into fascia boards.
Finishing shingles installation under a tight overhang we just use wetstick.
Shingle manufacturers say to use a 1 4 to 3 8 inch shingle overhang over the eave where your roof ends.
Too little can allow water to seep into rake or fascia boards.