Should Metal Roof Overhang Drip Edge

Although it does not look like much this component is made to have great structural integrity.

Should metal roof overhang drip edge.

Most homeowners will trust their roofing contractor to do what s necessary to replace the old roof but it doesn t hurt to ask if your roof bid includes drip edge. Too much overhang and the shingles could blow off in high winds. 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 the gutter is lower than the bottom edge of the drip edge install flashing behind the drip edge and over the back edge of the gutter to remove the gap.

Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials. Of course a drip edge should be flat on the roof deck. While plastic vinyl and fiberglass drip edges may also be available in your area these materials are best suited for use in nonroofing applications such as above doors and windows. Too little can allow water to seep into rake or fascia boards.

If the overlap is too short fix it by placing drip edge under the first row of roof shingles and be sure that the exterior edge is reaching over the gutter. Slightly out of perfect flat probably isn t going to make a noticeable difference. If it s not that i suspect it was not properly nailed or was bent or damaged during installation. Drip edge is a metal flashing that tends to overhang the sides of a roof.

When used as a drip edge it should be a minimum of 0 69 mm or 20 ounces. A drip edge is a metal usually aluminum strip which extends beyond other parts of a roof and directs rainwater off the roof away from the fascia and into the gutter. A typical metal roof overhang may be 2 to 4 inches or even less. Drip edge profile types.

There is a small size metal rim facing outwards and away from the roof fascia. Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood.