How Far Should A Roof Overhang

The size of the roof overhang you choose depends largely on the style of your shed s roof.

How far should a roof overhang.

Roof and overhang systems should be designed to resist wind uplift especially in hurricane prone regions. Too little can allow water to seep into rake or fascia boards. The siding underneath the overhang is known as the soffit. A typical metal roof overhang may be 2 to 4 inches or even less.

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 related problem is that the roof is actually at greater risk of wind damage. The length of the overhang depends primarily on the climate. Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials.

Moreover in winter months when the. Roof overhangs are the amount that the roof hangs over the top of the siding in residential home construction. Because this style of a shed has a flat roof it can facilitate a wider overhang which is ideal for storage. 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.

Measure up the rafter 45 3 4 inch from the cut end of the truss tail and snap a line along the trusses. 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. There isn t general rules to size an overhang.

If you re going to take the leap and try it yourself do it safely and smartly. Too much overhang and the shingles could blow off in high winds. The roof overhang does not extend far enough. In the first case the overhang is simply too big for the home.

The optimum depth varies with the latitude and the type of climate. Oversized overhangs can increase the risk of roof or truss uplift. Overhangs are common in most house designs providing protection against both wind and rain.