Should Metal Roof Overhang Drip Edge

On 2020 02 20 by chuck.

Should metal roof overhang drip edge.

Too much overhang and the shingles could blow off in high winds. When used as a drip edge it should be a minimum of 0 69 mm or 20 ounces. 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. 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.

Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials. 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. Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood. 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.

Slightly out of perfect flat probably isn t going to make a noticeable difference. Although it does not look like much this component is made to have great structural integrity. Too little can allow water to seep into rake or fascia boards. 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.

It has the main function of controlling water flow on the roof which has many implications. There is a small size metal rim facing outwards and away from the roof fascia. Drip edge is a metal flashing that tends to overhang the sides of a roof. Of course a drip edge should be flat on the roof deck.

Drip edge profile types. If it s not that i suspect it was not properly nailed or was bent or damaged during installation.