Questions tagged [downspout]

The part of a gutter where the water falls downward and typically away from the building it is affixed to or into some sort of water capture system. Use this tag for questions about installation, best practices, and general advice about downspouts.

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Water leakage in basement after down spout installation

Large amounts of water have been leaking into my basement after below ground downspouts were installed in November of 2022. Prior to the installation, there was never any water leakage in the basement....
Queso19's user avatar
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Is my downspout frozen/ what can i do

I believe my downspout is frozen, it runs across the side of my house. There is a little bit of water on the front of my house below the gutters and roof, which I am not sure where it came from. Is ...
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noticing some water leakage from my townhouse neighbors downspout, how to diagnose the leak and blame my neighbor

I noticed some water leak marks on my wall under my roof corner and went up and found this. My townhouse neighbors downspout leaned over onto my property line connected to his drain hole with a big ...
MonkeyBonkey's user avatar
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Redirect plugged gutter downspout drain

The rear gutter downspout drain at the back of my house is apparently clogged (or crushed, or overgrown with roots). The previous homeowner said a nearby window well flooded due to the overflow and ...
arcade321123's user avatar
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Is this is a sign of backing up of the downspout?

I suspect this shouldn't be happening. If there is an enclosed system in place, water should flow away from the foundation (in my case into a rain garden) and the damp ground is a sign of either ...
MethodicalMind's user avatar
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72 views

What to do about downspout that empties into gangway?

We have a downspout that empties onto our gangway sidewalk. In the winter this becomes an ice rink. One side of the walkway is flanked by our building, the other is a small garden on our neighbor's ...
Brad's user avatar
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Very Clogged Gutter Downspout

After a new roof was put on my house recently, one of my downspouts ended up completely clogged. Based on my attempts to unclog it (I have done this many times in the past at multiple paces on house ...
AA040371's user avatar
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How long should you wait before drilling into a new stucco wall?

The last coast went on our new stucco wall 4 days ago. I understand stucco should cure for 14 to 30 days before you paint it. But what about drilling holes? We would like to re-attach the gutter. How ...
MrCartoonology's user avatar
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Downspout drainage beneath flat section of yard

In the area behind my house, the ground slopes downward, creating a 2.5ft drop over a span of 12ft. After this slope, the terrain levels out for about 70ft until it reaches the property boundary. ...
davegravy's user avatar
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Will larger gutter solve overshooting problem?

Due to the structure of the roof, the water from several planes goes into one spot of the gutter, which causes severe overshooting problem even with clean gutter, as one can tell from the water marks ...
bobby_yan's user avatar
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Waterproofing Issue In Yard

Having a problem in our yard that I am fairly certain is connected to a waterproofing project completed by the previous homeowner. My layperson's understanding of the situation and work completed: the ...
Dan's user avatar
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Drainage question and options

Problem: I don't have a way to divert the gutters right now. I also have minor seepage when we have heavy rain. My question is Do I really need to go down to the foundation footer or is 2-3ft depth ...
yamo's user avatar
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Proper way to connect gutters

The picture above is where a gutter over the porch connects to a gutter over the garage for my home. As you can see, two gutters are connected using a downspout at an angle leaving a section of the ...
slava-kohut's user avatar
1 vote
1 answer
140 views

Connecting 2 side by side downspouts at base

Because of the roof lines of my house, there are two downspouts side by side that ends at my patio. I’d like to reorient them to turn instead of face forward. I’m not sure how to handle that they’re ...
Toby Kathan's user avatar
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237 views

What can I do with water pooling next to my house?

I have 4 downspouts coming on to the side my house. I wanted to drain water to the front and about 6ft away from my house. The current grading seems level. With 4 ft spacing and level ground what are ...
user160423's user avatar
1 vote
1 answer
143 views

Why divide a downspout or require an extra sleeve?

A gutter installer just put gutters and downspouts on my new addition. Is this some new technique that I am not privy to? What would be the purpose of doing it this way?
Evil Elf's user avatar
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Does this downspout design make sense?

I've recently started smelling a musty smell in my upstairs bedroom. The bedroom closet just happens to be where the downspout from the main roof drains onto the roof for my garage and creates a kind ...
philmonroe's user avatar
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425 views

How to fix gutter downspout leaking at Tee?

I have an underground storm drainage pipe that is connected to both my downspout and sump pump drain. The underground drain pipe, the downspout and the sump pump pipe all tie together with a 3" ...
Justin's user avatar
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2 votes
2 answers
202 views

Where to outlet the water that comes from storm drain and gutters, to prevent soil/roots getting into pipe?

In my house, currently, all the water that comes from gutters and storm drains goes into one main underground 4-inch PVC pipe that outlets at the end of my backyard, right into under the soil, at 1-1/...
Nobita's user avatar
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Fixing PVC pipe connection leaking from downspout

I was doing some construction and while trying to figure out where the PVC pipe that brings water from the gutters away from my home was going to, I messed up a connection/joint in that pipe. Some ...
Nobita's user avatar
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Can you build a rain diverter with a double T and a toilet plunger?

I'm reading the GrowNYC Rainwater Harvesting Guide and I see in the diagram a "winterizing tee" - a double tee with a reference to a plunger. Are they really just talking about a toilet ...
MonkeyBonkey's user avatar
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How to couple 4" round corrugated downspout to plain round

I'd like to connect a 4" plain round downspout filter to an existing 4" round corrugated downspout. Do I need a specific type of coupling to do that, or will the 4" corrugated fit ...
MonkeyBonkey's user avatar
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1 vote
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how to divert a corrugated round downspout when I can only find non corrugated adapters

I need to add a downspout diverter to my 3" round corrugated downspout. I have a combined sewer and storm sewer system in my basement and don't want it to overflow during heavy fast downpours ...
MonkeyBonkey's user avatar
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Dry Well Against Foundation

I live in a house with a slab foundation. The soil is red clay. One of the downspouts outputs 8 inches above the ground into a small flower bed and walkway. When it rains, a divot is formed into the ...
theastronomist's user avatar
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Leak from the connection between downspout adapter and drain pipe

I have a downspout adapter (2x3x3 NDS 903) connecting a downspout to a drain pipe. The adapter is female, drain pipe is male, there is leak from the connection because it is not very tight: How can I ...
iamcs's user avatar
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How do I fix my leaking gutter?

When it rains, my gutter leaks badly. What's the best way to go about fixing this? Here's a photo:
trialUser's user avatar
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How do I fix this retaining wall?

I have a broken retaining wall that I'd like to fix up. It's cracked, presumably from water pressure building up behind it. It's rectangular, about 13'x33', and one of the four sides is connected to ...
Taylor's user avatar
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1 answer
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moving water away from gutter downspout

I have a dip around one of my downspouts and I have a lot of water gathering in that area when it rains. It's coming from gutter downspout and neighbors gutters. I want to install water collector (...
Rainmaker's user avatar
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5 votes
9 answers
10k views

How can I wrap a downspout around a corner into a rain barrel?

I am looking to get a new patio put in my back yard, and my local township laws require use of rain barrels if you have over a certain amount of impervious surfaces on your property. I have this ...
Timothy G.'s user avatar
1 vote
1 answer
143 views

How should I fix my downspout?

I just moved into this house that needs a lot of work. I noticed that the upper gutters drain onto the roof of the lower gutters and I learned that this will ruin my roof. I was originally thinking ...
katsalcoatl's user avatar
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Ensuring a down pipe attached to a wall stays elevated above the ground

I have a downpipe that I noticed was full of water. When I lifted it up, all the water started gushing out. The attachments had come off and it had slipped down leading me to believe it was sitting ...
probably at the beach's user avatar
6 votes
2 answers
1k views

How can I waterproof a hole in my vinyl deck to fit a downspout?

I am wondering if anyone might have some suggestions on solving this drainage issue with our vinyl deck. We used to have 2 separate decks but upon rebuild we have them joined with a narrow walkway. ...
nnamerz's user avatar
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1 vote
2 answers
200 views

How close to roof should downspout be?

I know it is common for 2nd story gutters to empty on the roof surface; however, houses I've seen the gutter empty close to the roof. my recently install gutters seem to be four to five inches off ...
Jeff Waters's user avatar
2 votes
1 answer
8k views

Why has my tub spout diverter not dropping back down after use? (brand new installation)

I installed a replacement tub spout with diverter and after about a week, the diverter doesn't always come back down after a shower. At first it dropped down right after a shower. Sometimes it happens ...
face.'s user avatar
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2 answers
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Improve downspout fitting on gutter

This used to be fine without the flexible adapter, I had a rigid gutter to pipe adapter in the past. The ground below must have pushed the pipe around over time. The fitting was barely working for the ...
Bluebomber357's user avatar
1 vote
1 answer
82 views

Clogged downspout pipe

My downspout, next to a stucco wall, used to go into a cast iron pipe. Recently, the water must have gotten behind the stucco and in the winter, the stucco wall collapsed, pushed the downspout out of ...
Wynne's user avatar
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1 vote
1 answer
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How to keep a downspout extension from coming off?

Had to replace a downspout because it was stepped on. I replaced it with a downspout extension, which is longer and does a better job of letting the rain water drain away from the house. The only ...
user3783793's user avatar
1 vote
2 answers
928 views

How to replace an odd-size (2 1/4" x 1 7/8") downspout elbow?

An elbow in one of my downspouts is broken and I want to replace it. But the downspout's measurements are 2 1/4" x 1 7/8" which is different from the standard sizes in USA which are 2" x 3" inches or ...
Justin Grant's user avatar
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0 votes
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289 views

How far should I insert downspout into sewer connection pipe?

Is there a standard or should I insert it as far as it'll go?
Alan's user avatar
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4 votes
1 answer
6k views

Connecting downspout to first floor gutter

I am looking to connect my second floor downspout to the first floor gutter. In any sort of wind, the water misses the gutter completely and makes a big mess. I found the thread here very helpful ...
AugustLindholm's user avatar
2 votes
1 answer
1k views

Gutter pitch configuration

I have a shed withe following gutter/downspout configuration: The problem at the moment is that there is standing water in all of the gutters. The gutters are not sagging, but they are perfectly ...
David Doria's user avatar
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0 answers
680 views

Standing water in gutters

I have a 1 car garage shed with gutters around the roof. There are two downspouts, both on the same side of the structure (there is an alley on one side so both drain into the alley). I was up on the ...
David Doria's user avatar
1 vote
2 answers
944 views

What is going on with my downspouts?

Most of the downspouts on my house (built in 1951) are routed into the foundation, like this: My questions about this situation: Why on earth did someone do this? (I just bought the damn thing and ...
crmdgn's user avatar
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1 vote
2 answers
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Upper roof downspout emptying onto lower roof

I have an upper roof downspout emptying onto a lower roof. the downspout exit sits near the side of the lower roof, and water falls off the side before continuing down to fall into the lower roof ...
Rbell's user avatar
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2 answers
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Proper gutter downspout location on sloped ground for shed

I built a shed last year on sloped ground, using concrete piers. I didn't get around to adding gutters, and was contemplating not doing it. But, the water seems to be eroding some areas of the soil ...
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Is there any reference (or probably web/online calculator) to figure the size for downspout pipe for a known flow rate

The total flow rate of water collected by the gutter of my roof is known (50 L/minute). I need to figure the safe size for my downspout pipe for this roof. What's the minimum diameter for the ...
Rino's user avatar
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-1 votes
2 answers
653 views

Can I approximate flow rate of a roof with known flow rate of another roof?

My main building roof I need to know the flow rate (FR, for example Litre per minute) of water coming out from the gutter of this roof. The easiest way would be catching the flowing water coming out ...
Rino's user avatar
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0 votes
1 answer
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How can raise a downspout drain from ground level (Picture)

I have a gutter downspout in my backyard that leads to a 4" clay drain which leads to the municipal sewer line. Currently the opening sits at ground level. I'd like to raise the ground level a few ...
David L's user avatar
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1 answer
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Underground downspout extensions - Are pop up emitters needed?

To move rainwater further away from a foundation than the standard 2~3 foot above-ground downspout extensions, what are the underground options? Example of standard downspout extension: (Photo from ...
Bort's user avatar
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3 votes
3 answers
4k views

Can I fix my leaking downspout without taking it apart?

I have a downspout leading to a large rain barrel that leaks from one or more of the joints. Instructions I can find on the internet suggest either taking it apart and re-assembling with new sealant, ...
Reid's user avatar
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