Gutter Overflow

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  #1  
Old 06-11-18, 01:08 PM
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Gutter Overflow

Hello all,
Currently working on bringing an old house up to standard. One of the problems has been how the rooflines were designed and the drainage from that design. After having the roof replaced, we are down to 2 trouble locations. I have attempted to find solutions on Google and searched these forums a little, my google-fu appears to be a bit weak in this department, so I ask the community.

Both locations are at junctions of pitch sections or multiple downspouts.

As the photo's show, the problem appears to be the speed that the water is moving so it clears the gutter.

I am interested in DIY solutions for the problems before turning to pro help.

I suspect that fabricating a larger drop outlet and using larger downspouts is the solutions. Am I on the right track and does anyone have any suggestions on resources for refining the plan?

Thanks,

Will
 
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Old 06-11-18, 01:36 PM
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First off, change your downspout and outlets to 3x4, not 2x3. It will move twice the volume. And you may need a deflector at the end of the valleys.
 
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Old 06-11-18, 03:14 PM
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Planned on the larger downspout. Deflector is there on the primary problem spot, water was just moving too fast to even hit the gutter section.
 
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Old 06-11-18, 03:42 PM
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I don't see a deflector in either picture. A deflector is like a tall shield that goes on the front of the gutter to prevent water from doing what's pictured.

Also a 1 foot long piece of gutter is not going to handle all the water coming off that large section of roof and valley. You should consider getting a larger box style gutter there. They are available up to 8" in size.
 
 

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