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Old Yesterday, 05:02 PM   #1
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Gutter Downspout Option

I am wanting to replace some of my gutter downspouts that are rusted and damaged. Where all the pieces connect water leaks out of those areas. Where the the down spout starts to curve at the bottom near the opening it comes out of the back side where two pieces connect causing the water to run on my foundation which has now started causing damage in that area.

What is the best type of material to use for a downspout? If it is the aluminum what was can I seal between connecting pieces to prevent leaking? Is there a particular piece that should go on the inside and one on the when connecting does it matter if the upper or lower piece is on the inside or out? Any suggestions would be great!!!

Zach McKain


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Old Yesterday, 06:22 PM   #2
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Gutter Downspout Option

No need to seal the downspout sections. The are lapped joints and the water passes over one section inside of the next.


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Old Yesterday, 09:59 PM   #3
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Gutter Downspout Option

bottom piece always over the upper so like windows said the water will always just transition. no need to seal.

you can do aluminum or even crush proof PVC these days.
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Old Today, 12:11 AM   #4
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Gutter Downspout Option

Very likely your down spouts where assembled backwards, easy to do.
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Old Today, 07:17 AM   #5
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Gutter Downspout Option

Rusting gutter parts should be replaced. Don't go back to galvanized parts. Use heavy duty aluminum parts from roofing store, not homedepot.
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