Standard Roof Eaves Overhang

They also help to frame windows on upper stories.

Standard roof eaves overhang.

The soffit is the underside of the eave and by measuring its width you can tell how much of an overhang you have. Too much overhang and the shingles could blow off in high winds. A typical metal roof overhang may be 2 to 4 inches or even less. Overhangs can vary from a few inches to a few feet depending on preference.

Since a mobile home is usually a smaller more narrow structure it is not necessary to have anything more than a shallow roof pitch. An eave is the portion of the roof that overhangs the outside walls of a house. Eave overhang detail with that in mind we kept a roof overhang at the eaves as it provides a nice shadow line and protects the second floor windows from a bit of the summer sun. This will protect a roof from most types of damage.

Eaves form the overhang to distribute water clear of the walls. An eave is the edge of the roof that overhangs the face of a wall and normally projects beyond the side of a building. That is their functional purpose. Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood.

That said overhangs can extend as far as 2 without the need for external supports. At the rakes however with a nod to yankee frugality and clean modern lines we kept the roof trim as close to flush as practical while still allowing for a rain screen channel ventilated at the top as well as the bottom. Two feet is the general maximum length for a typical roof overhang. However there is also an architectural purpose to them.

16 foot and taller 24 inch overhangs. Too little can allow water to seep into rake or fascia boards. However the suggested width of an overhang is between 12 and 18 for eaves and no more than 8 for rakes. The exceptions include enclosed overhangs on open sidewalls i do not like the look and they become a nesting place for small flying critters and birds.

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