How Far Past The Roof Should Gutters Extend

Gutter placement people usually think that gutters should be placed right on the roofline.

How far past the roof should gutters extend. Here phil explains how much overhang a roof should have at the gutter. 5 tips every homeowner should know. Depending on the climate you live in the resulting weather patterns and the way your panels are installed the required amount of metal roof overhang will differ. The back edge of the gutter should tuck up behind the dripedge if you have it otherwise the edge of the shingles should extend well over the back half of the gutter so the drips cannot get behind it and rot the fascia board.

Gutters should slope an inch or two for every 40 feet. This is incorrect because rainwater pulls back up on the underside of the roof and it drips down under the roof. This way any snow sliding off would clear the gutter and not damage it. Even though they look level from a distance gutters should be pitched slightly from one end to the other.

If the pitch is too gentle water will just fill up in the gutters until it overflows and a too sharp pitch isn t aesthetically pleasing. Gutters should be hung where a straight edge laying on your roof shingles can easily extend over the front lip of the gutter this is the proper installment location for the high point of the gutter. A normal gutter will have about 1 2 3 4 of its width sticking out beyond the shingles to catch the runoff. So essentially what you re doing is creating a bridge to make up the distance between where the shingle ended and where it really should have ended which is at the edge of the gutter.

My understanding is then a 1 16 per inch pitch is standard. Here phil explains how much overhang a roof should have at the gutter. How to install gutters. In almost every instance gutter installers take the path of least resistance and shove the gutter right underneath the roof shingles instead.

When installing metal roof panels it s important to keep in mind the conditions your roof will need to face in the future. The shingles should extend past the top flange of the drip edge. If wind blown rain or a very low slope roof conspire to force water back under the shingle eaves edge so it courses down the face of the drip edge it should be able to drip off the bottom kicker. And you run the flashing up under the roof shingles and you make sure it extends past the roof shingles and lays into the top of the gutters.

You don t need more than 1 4 inch drop towards the downspout for every 10 feet legnth of gutter. The water should roll off these shingles and drop straight down into the gutter.