Minimum Roof Verge Overhang

Too much overhang and the shingles could blow off in high winds.

Minimum roof verge overhang.

Copper is a sturdy metal that gives a roof a unique look. 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. Overhangs are common in most house designs providing protection against both wind and rain.

The length of the overhang depends primarily on the climate. A typical metal roof overhang may be 2 to 4 inches or even less. The following illustrations and text explain the common design details using eaves and verges that can occur on refurbishment and new work. Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials.

Too little can allow water to seep into rake or fascia boards. If a sprocketted. The siding underneath the overhang is known as the soffit. 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.

When used as a drip edge it should be a minimum of 0 69 mm or 20 ounces. An eave is the edge of the roof that overhangs the face of a wall and normally projects beyond the side of a building. Roof overhangs are the amount that the roof hangs over the top of the siding in residential home construction. Eaves form the overhang to distribute water clear of the walls.

They also help to frame windows on upper stories. Eaves with over fascia ventilation set top of fascia board at correct level and fit ventilator in accordance with manufacturers recommendations.