Gutter draining onto roof

[fourjeepin]

I just had a couple of sections of gutter replaced and the gutter people drained two sections onto the roof. I read that is is frowned upon as it will prematurely wear the shingles. So they came back out and put small downspouts in but didn’t block the opening of the gutter.

Short of rebuilding the roofline, what is the best solution for this gutter?

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[cstmg8]

I think you'll be ok. The only thing I'd be worried about is freezing and ice damming, doesn't look like an issue in your area. Sealing the end of that gutter won't do much because all of the water is coming from that valley, but you could seal a flat piece of metal in there as a cap.

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[boostedhp]

Assuming it's pitched correctly most of the water should go down the downspout, with some going beyond it if it gathers enough speed and volume. If you just cap the end you risk trapping water in that corner. I'd look at increasing the pitch beyond the downspout (v-shaped), cap the shingle side and that should direct most down the downspout.

 

[tarmy]

I have a corner like that too...been that way for decades...no issue.

It is such a small amount of water that it should not be a problem. If it worries you get some Henry’s wet patch and goobber up the area.

 

[Bretny]

Your in GA. So dont have to worry about ice dams but up here you would have issues if the gutter didnt have a cap at the end like that.

 

[matt_i]

It would be very easy to create an interal weir inside of there, just a bent piece of sheetmetal trim coil or gutter stock and seal it with the same gutter sealant.

That will direct the water down thru the downspout instead of letting it pour out the end...

...which you might want to only make it 1 to 1-1/2" tall so in case of mega downpour it can just go over the end.

 

[kbs2244]

you have it backwards
that gutter is collecting the water coming down the "vee"

 

[58Yeoman]

Need a better picture.

 

[fourjeepin]

you have it backwards
that gutter is collecting the water coming down the "vee"

What part is backwards? Or are you referring to one of the previous posts?


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[fourjeepin]

Need a better picture.

What angle would help?


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[fourjeepin]

It would be very easy to create an interal weir inside of there, just a bent piece of sheetmetal trim coil or gutter stock and seal it with the same gutter sealant.

That will direct the water down thru the downspout instead of letting it pour out the end...

...which you might want to only make it 1 to 1-1/2" tall so in case of mega downpour it can just go over the end.

Prior to the gutter replacement, the end was capped. I wasn’t sure if that was how this gutter should be designed but it seems like it would be better in my mind for it to be capped. I am far from a roofing or gutter expert though.


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[58Yeoman]

What angle would help?


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I look at the top pic, and can't figure where it is in the second pic. Top pic looks very short, second pic, both gutters look very long. Need a top pic taken farther away.

 

[matt_i]

The pictures above likely are shot on opposite sides of the porch's gable. But, assuming symmetry, the short gutter just collects from the porch gable, and the down-leg is draiing the flow from 98% of it. The internal weir just forces the down leg to do its job. Which it probably will do in light rains but get heavier and the velocity could carry it out the end.

It appears to me that water flowing down the valley mainly goes underneath the diagonal-cut tail....which I would leave undisturbed.

 

[like2wheel]

It would be very easy to create an interal weir inside of there, just a bent piece of sheetmetal trim coil or gutter stock and seal it with the same gutter sealant.

That will direct the water down thru the downspout instead of letting it pour out the end...

...which you might want to only make it 1 to 1-1/2" tall so in case of mega downpour it can just go over the end.

But then the water coming from the other direction will have nowhere to go.

 

[rsanter]

You will be fine. It,is good that the downspouts were installed or that would have been bad.

If that was done that way with a long section of gutter it could be a problem but that is so short,you will be fine