How Far Should A Roof Overhang

A typical metal roof overhang may be 2 to 4 inches or even less.

How far should a roof 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. Knowing how much overhang roof shingles should have is only a small part of the job. Moreover in winter months when the. Too little can allow water to seep into rake or fascia boards.

Because this style of a shed has a flat roof it can facilitate a wider overhang which is ideal for storage. In the first case the overhang is simply too big for the home. Roof and overhang systems should be designed to resist wind uplift especially in hurricane prone regions. Roof overhangs are the amount that the roof hangs over the top of the siding in residential home construction.

Too much overhang and the shingles could blow off in high winds. With a flat shed roof the roof simply extends past the wall plate to provide an overhang. Oversized overhangs can increase the risk of roof or truss uplift. This indicates the upper edge of the first row of roof sheathing leaving enough overhang that the subfascia and fascia will tuck neatly underneath when the time comes.

A related problem is that the roof is actually at greater risk of wind damage. Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials. The length of the overhang depends primarily on the climate. The roof overhang does not extend far enough.

The siding underneath the overhang is known as the soffit. There isn t general rules to size an overhang. The optimum depth varies with the latitude and the type of climate. This leads to a situation where there is an excess amount of shade and the exterior of the home appears dark and gloomy.

Overhangs are common in most house designs providing protection against both wind and rain. 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. If you re going to take the leap and try it yourself do it safely and smartly.