How Much Roof Overhang For Gutter

Steeper pitched metal roofs typically do not require much overhang because snow and ice slides off the smooth surface so easily.

How much roof overhang for gutter.

We ve seen other references that suggest extending the shingles a bit more than the manufacturers suggest to compensate for wavy eaves but they do not. Most roofing contractors recommend some method to prevent ice dams on metal roofs. The reason for this is that whenever rain runs down any type of roof when it gets to the lower edge it clings to the tile or slate by capilliary action this means that the water actually runs around the bottom edge and slightlly back up the rear of the tile before gravity allows it to drop into the gutter. Without gutters water cascading over the roof s edge can wash down the side of your home especially in a windy rain event.

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. 5 inch 5 520 square feet. Shingle manufacturers say to use a 1 4 to 3 8 inch shingle overhang over the eave where your roof ends. It ultimately depends on a couple things.

That equals to 2 3kwh per hour or almost 56kwh per day of continuous operation. And what is the pitch. If a roof s various drainage areas call for different size gutters go for the biggest one k style. Wide overhangs will protect your home s exterior wall better than a short overhang or no overhang at all.

Do you have edge metal. The brackets typically hold the gutter about 1 2 1 inch away from the fascia board if u type brackets otherwise if screw through type the gutter might be almost up to the fascia board. Unless the roof edge is quite uneven some shingles overhang significantly more than others it should have the same stickout all along. 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.

Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage. In our local area metro jackson ms the typical overhang is about 12. Not good to start off with a new roof and gutters with this problem built in.