Roof Overhang Length For Gutters

Too little can allow water to seep into rake or fascia boards.

Roof overhang length for gutters.

On 2020 09 13 by scott not an overstatement actually on a mechanically seamed metal roof the starter piece is fastened to the deck then the panels are crimped over the starter piece and each panel is then mechanically crimped. Do you have edge metal. Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials. Improperly installed gutters may splash these boards during rainstorms causing them to rot.

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. Many roofers claim that having a gutter will ruin the facial boards of your roof. A typical 120 foot long roof edge with 6 12 overhangs and no gutters deicing will need about 291 feet of cable. With us average electric price of 0 13 kwh you will be spending 7 25 per day if your system is running full 24 hours.

It ultimately depends on a couple things. Here phil explains how much overhang a roof should have at the gutter. And what is the pitch. There is a thing called wicking that if on a low enough slope will run up the underside of roofing and possible go up enough to get behind facia so usually wi.

Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood. These boards are one by six inches and support the roof s overhang. A typical metal roof overhang may be 2 to 4 inches or even less. When a roofer advises against installing a gutter you should ask for specific reasons.