How Much Roof Overhang For Gutter

Do you have edge metal.

How much roof overhang for gutter.

Wide overhangs will protect your home s exterior wall better than a short overhang or no overhang at all. 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. 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. 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.

A typical 120 foot long roof edge with 6 12 overhangs and no gutters deicing will need about 291 feet of cable. 5 inch 5 520 square feet. 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.

Unless the roof edge is quite uneven some shingles overhang significantly more than others it should have the same stickout all along. If a roof s various drainage areas call for different size gutters go for the biggest one k style. Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage. Most roofing contractors recommend some method to prevent ice dams on metal roofs.

Shingle manufacturers say to use a 1 4 to 3 8 inch shingle overhang over the eave where your roof ends. Then use the information below to see what size gutter you need. Without gutters water cascading over the roof s edge can wash down the side of your home especially in a windy rain event. Steeper pitched metal roofs typically do not require much overhang because snow and ice slides off the smooth surface so easily.

And what is the pitch. It ultimately depends on a couple things. 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.