Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood.
How far should metal roof hangover.
Two feet is the general maximum length for a typical roof overhang.
This translates to seven rows of strips 20 feet long spaced two feet apart or 140 lineal feet of.
The net resultant of each is the same and perfect for gutters if they are installed.
This will protect a roof from most types of damage.
In this example the section of roof is 20 feet wide and 14 feet from the fascia to the peak.
Too little can allow water to seep into rake or fascia boards.
The steel siding is 3 4 thick which leaves 1 1 2 to 1 3 4 of overhang past the siding after it is installed.
Lengths of drip vary but typically it s sold in ten foot lengths 120.
A brow roof is a narrow roof attached to the wall at the level of the first floor ceiling.
Mike the pole barn guru.
On page 365 the overhang is beyond a fascia board buildings with eave overhangs.
Roof overhangs can extend farther than 2 feet but beyond this length they begin to lose structural integrity and require external supports.
Gable end overhangs also known as rake overhangs extend all the way to the peak of the roof.
Though most overhang regardless because of discrepancies of the facia being straight so they run metal past to let it appear straight.
There is a thing called wicking that if on a low enough slope will run up the underside of roofing and possible go up enough to get behind facia so usually without drip edge at least 2 with drip edge even.
Too much overhang and the shingles could blow off in high winds.
They are essentially mini roofs designed to protect each storey of the home individually.
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.
Brow roofs are found on multi storey homes.
Drip edge varies in dimensions but typically the flange that nails to the roof surface is about 2 5 wide and the vertical edge that directs roof runoff down and away is about 1 5 in depth.