How Far Should A Roof Overhang

Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials.

How far should a roof overhang.

In the first case the overhang is simply too big for the home. Overhangs are common in most house designs providing protection against both wind and rain. There isn t general rules to size an overhang. The optimum depth varies with the latitude and the type of climate.

Too much overhang and the shingles could blow off in high winds. 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. Knowing how much overhang roof shingles should have is only a small part of the job. Measure up the rafter 45 3 4 inch from the cut end of the truss tail and snap a line along the trusses.

The size of the roof overhang you choose depends largely on the style of your shed s roof. Because this style of a shed has a flat roof it can facilitate a wider overhang which is ideal for storage. Too little can allow water to seep into rake or fascia boards. The roof overhang does not extend far enough.

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. Oversized overhangs can increase the risk of roof or truss uplift. If you re going to take the leap and try it yourself do it safely and smartly.

Moreover in winter months when the. The siding underneath the overhang is known as the soffit. Roof and overhang systems should be designed to resist wind uplift especially in hurricane prone regions. 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. With a flat shed roof the roof simply extends past the wall plate to provide an overhang. There is a lot to know a lot to do and a whole lot to be carried.