Should Metal Roof Overhang Drip Edge

Drip edge is a metal flashing that tends to overhang the sides of a roof.

Should metal roof overhang drip edge. A typical metal roof overhang may be 2 to 4 inches or even less. Copper is a sturdy metal that gives a roof a unique look. There is a small size metal rim facing outwards and away from the roof fascia. If this slight overhang is too short water will drip behind the gutters leading to rotted roof sheathing and fascia stained siding and even soil erosion and a flooded basement.

Drip edge profile types. Fix the problem by installing sheet metal drip edge also called drip cap which is available at lumberyards and home centers. 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.

Although it does not look like much this component is made to have great structural integrity. A drip edge has to be resistant to possible corrosion and should be 36 gauge or larger. Tape measure hammer pencil ladder small roofing nails tin snips before you start the installation remove all dirt and debris from the roof and take the measurements of the exterior edges to determine how much drip edge is required for the project. When used as a drip edge it should be a minimum of 0 69 mm or 20 ounces.

Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood. If it s not that i suspect it was not properly nailed or was bent or damaged during installation. On 2020 02 20 by chuck. Too much overhang and the shingles could blow off in high winds.

Slightly out of perfect flat probably isn t going to make a noticeable difference.