Questions tagged [drainage]

Use this tag when the topic is about controlling water runoff, particularly near structures but also in yards or elsewhere.

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2answers
168 views

What is this, and I can pump my dehumidifier water into it?

We got a dehumidifier with a water pump recently and I'm just now looking for a place to drain the water. What about using this p trap in the middle of this pic: I believe that brown rubber hose is ...
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3answers
6k views

Are there benefits to having the dishwasher drain into the garbage disposal?

My dishwasher is not draining properly and while taking a look at things I realized that the drain hose is not tied into the garbage disposal. Is this incorrect? Are there certain benefits for having ...
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3answers
92 views

How to manage water pooling at a particular spot in my lawn?

Per the picture, I have an interesting draining issue where some rain water will drain along my roof's edge to a spot on my lawn. Problem is that the water is pooling in heavier rains (see picture ...
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1answer
123 views

Connect 110mm pvc to clay oblique junction

I want to install a toilet and replace the existing 60mm cast iron pipe with 110mm pvc It looks as if the cast iron has been cemented into the clay pipe junction I’m trying to avoid replacing the ...
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2answers
377 views

Slope of decking and foundation

I'm having decking installed and the boards currently slope towards the house. The underneath of the decking is soil and there is no gutter alongside the house to funnel the water to the drain. Is ...
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1answer
674 views

Standing water in front of retaining wall okay for wall?

I built a retaining wall this past summer, and put the proper drainage behind the wall. Due to time, I never got around to handling drainage in front of the wall and in between the pool. The ...
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4answers
509 views

why river stones needed close to foundation

I often observe that some houses have a strip of lawn adjacent to the foundation removed, and replaced with pebbles, river stone or alike. I understand this does not serve only decorative purpose. ...
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1answer
2k views

How to remove hydrostatic pressure from basement floor so we can finish part of the basement?

We purchased a 3000 square foot ranch that was built in 1977. We would like to finish about 1000 sf of the basement. It has poured concrete walls and a concrete floor. Currently, we have two sump ...
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1answer
2k views

Plastic sheeting in a french drain system

I am installing a french drain along the foundation of a residence. I have always place thick plastic sheeting (6mil) up against the trench on the foundation side and on the bottom of the trench. ...
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2answers
256 views

How to reattach detached cable onto a drain hand auger?

I have this drain hand auger, But the cable is detached when I extend it out for cleaning, now I don't know how to attach and wind it back onto the device, I also can't find any manual or tutorial ...
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0answers
223 views

How to determine which size of auger to get for backed up basement floor drain?

My basement floor drain is backing up water (~10L) when washer is dispensing water during the spin cycle. It's an older house at 1955. The drain looks like it has a p-trap. I wonder how can I ...
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2answers
314 views

Basement floor drain back up, 1/2" snake failed, what next?

The basement floor drain is having backup after the wash cycle from the washer, it doesn't backup from other water usage. I had a plumber came in to power snake with 1/2" tip (and few other tips) ...
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2answers
115 views

How can I get my sink's trap to fit around the rest of the drain assembly?

I'm in the process of adding a new bathroom to my house. I had a plumber rough in some connections for us, and then we are in the process of finishing it off. We used plastic accordion pipe to ...
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0answers
123 views

Can I build a concave mortared-stone sidewalk that will also act as a drainage flume?

I recently had a landscaping company install a mortared-stone drainage flume on the interior of a retaining wall at my house: It looks great and works just as well. It naturally has me wondering ... ...
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1answer
441 views

Drainage on side of new driveway

A bit of a two-part question. I had a new driveway put in this week. The sides of the driveway are exposed still after the forms were removed and I wonder whether I need to rush to fill that in so ...
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1answer
72 views

Should I install gutters before addressing draining in the yard?

My house doesn't have gutters or downspouts, so I'm planning to install them. Parts of the yard also remain wet for days after a rain, so I'm planning to install some kind of drain system in the yard (...
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1answer
308 views

How do I unclog my AC drainage line

I live in a condo with an in-home AC/heat pump. This morning we noticed that it was dripping water, and when we took off the front panel we could see standing water in the run-off tray. It was pretty ...
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1answer
350 views

Sealing crawl space vents in Pacific Northwest?

I just had a perimeter drain and sump pump installed in our crawlspace because it flooded frequently and severely during the rainy seasons. Before, I was under the impression that leaving the ...
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2answers
106 views

Drainage fix: Flat concrete slab up over my vinyl siding by 2 inches. Is this acceptable?

I am a new home owner. The concrete on my front porch sloped towards the house so every time it rained water drained between the porch and the house. Last week after 8 months the builder took out ...
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0answers
42 views

Is there a sealant I can use on concrete grouting with concrete pipes?

The driveway at our new house crosses over a creek, which requires 3 concrete culverts, about 16' long and 30" in diameter. The culverts are each made of two pipes with a joint in the middle. ...
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1answer
172 views

Yard Drainage issues

We have clay soil so we had our landscaper/yard maintenance person come out to see what could be done for our drainage issues...there were many low spots in the yard & even when he stepped on them,...
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3answers
75 views

Making a small drain/vent/hole in a glass box

I've got a glass box that measures 900mm x 450mm x 450mm. The width of the glass is about 6mm thick. If I drill, cut, or grind a small hole in/through one of the faces; will it significantly ...
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1answer
3k views

Can I “just” concrete over the existing gravel in this carport?

Based on this annotated image, can I reasonably pour concrete over the existing gravel in this carport area? If no, would it be enough to add another 1-2 inches of fresh gravel first? Some details. I'...
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2answers
109 views

Do I have drainage issues?

I am looking at buying a home and the yard is a down slope to the road in the front and flat on the sides and in the back. The house was built in 1999 and had to have the driveway replaced in 2014. ...
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0answers
70 views

Drainage pipe in ground

I just discovered that my 2 inch PVC drainage pipe output was buried at about 6 inches below my front lawn. I tried to make a makeshift 1 inch trench to help the water flow out. The problem is that my ...
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1answer
421 views

Drainage downhill under slab with block retaining wall

I would like to install an allan block retaining wall (3' at its highest). I'm going to build a shop 25' downhill from this retaining wall, and want to have a poured slab for parking vehicles on. In ...
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1answer
155 views

More backyard drainage problems.

I have a steep tree and grass covered back yard where rain water flows down during storms. This exits through the garage but is causing soil erosion. I too would like to know what sort of ...
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1answer
122 views

How To Identify/Fix Source Of External Water

My house is leaking! It's hard to see but if I angle the camera just right, these small droplets of moisture become visible. This is from an East-facing external bedroom wall taken during a pretty ...
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2answers
708 views

How can I prevent water from puddling in a play area?

We have clay in our yard. I have spent a good two hours digging out the square space under our slide area of our swing set. I dug deep enough to have deep enough sand for the kids. However, due to the ...
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0answers
37 views

outbuilding drain into dry well

Aside from code differences between jurisdictions, is it acceptable to tie an outbuilding floor drain into a dry well drainage system? The outbuilding does not have a water supply, the slope of the ...
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0answers
88 views

Is soil in an open rock spoon drain a blocker? Think we've got a cowboy job done

Being on a slope, our place has a lot of problems with surface water flooding. We've had a spoon drain installed along our upper boundary to redirect surface water away from the house. Here's a pic ...
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1answer
718 views

How do I divert rain water off of property?

My upper back yard sits on a slight hill. When it rains, water forms in holes like springs, and water continues to run down my driveway days after it has stop raining. I just had a new driveway ...
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1answer
770 views

Can I route a drain pipe under a gas line?

I want to reroute an outdoor drain pipe (rain water) to a better location but there is a gas line that is in the path that the drain pipe needs to go. Can I route the pipe below the gas line? I'm open ...
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3answers
125 views

Sump pump size and reliabilty for crawlspace

Still trying to sort out the different advice from crawlspace drainage vendors. The least expensive fellow insists a single 1/3 HP pump pumps out plenty of volume, and that only a single pump is ...
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1answer
154 views

Is a conventional interior drain tile system likely to silt up over time?

Three companies have proposed the same solution, more or less, to address pretty bad flooding in our crawlspace: Dig a trench around the interior perimeter and install a perforated pipe that leads to ...
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1answer
593 views

How can I prevent interior French Drain from further eroding soil under garage slab?

I have a home with a block wall foundation and adjacent garage (built on a slab) on the left side facing the house. The house sits on a grade with right side to left side drop of 3/4" to 1" per foot. ...
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2answers
2k views

Should an underground drainage pipe be perforated?

If I want to install a long (30ft+) drainage pipe underground for my sump discharge, should the pipe be perforated or solid? The pipe will flow down and out into a creek. This is in a region that has ...
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1answer
2k views

Water Drainage Towards Neighbor's House

We are in the process of purchasing a home in Washington State. We receive a lot of rain and the backyard lawn always seems kind of soggy/standing water. I've looked into a french drain and it seems ...
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1answer
761 views

Sealing what appears to be a non standard overflow drain

I have an overflow drain, as seen in the picture provided, that isn't sealed. The common wisdom I've read online has been to seal with a gasket, but my drain doesn't seem to be anything like the ones ...
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2answers
2k views

New home grading in backyard soil stays muddy for days

I have a new construction home and the backyard grade needed adjustment late in fall. There is an area that meets in the middle that doesn't really hold static water above, but the ground stays soft ...
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0answers
43 views

Changing drainage from washing machine

I have a new build house that has a drainage on the side of the house as shown in this video: https://www.youtube.com/watch?v=BU_-fnvqCOI I want to change this so that it does not drain on the side ...
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1answer
450 views

Does my vanity's sink need to be offset from the bottom-exit drain pipe?

I am installing a new sink/vanity in a older house. The drain pipe for the sink is down through the floor (as is the water supply lines) and not in the wall. When I position the new vanity, do I need ...
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5answers
736 views

How should I cover this drainage garden pit in my front yard?

We just bought a newly constructed house. In front of it is a rectangular concrete pit, maybe 2–3 feet deep and roughly 8 feet long by 5 feet wide, with dirt at the bottom and several shrubs planted ...
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1answer
734 views

How can I get rid of gnarly roots in an outdoor French drain without hiring/renting a roto rooter

I have a natural spring on my property. Without proper drainage, my backyard quickly turns into a mud pit. The pipes we put in filled within two years as you can see from the photo below. I have ...
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3answers
594 views

Draining a shed roof using a water butt

I'm trying to sort out drainage for a large shed roof. It's 23 sqm. I'm going to stick gutters on it, but my nearest drain is the other end of my garden, 25m away. My current plan is to drain the ...
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2answers
1k views

Underground downspout pipe may be leaking

I have been getting more and more water in my basement in the last few years. Every time it snows and melts, water trickles in around one spot in the basement floor. I had someone come out to take a ...
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1answer
979 views

instead of removing low area…puddles in my concrete patio

Amending my original question... The edge of slab is only a couple feet from Low area and it would pour into gravel theoretically if not for the low point. would it make more sense to try to grind ...
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2answers
1k views

puddles in my concrete patio [duplicate]

What's the best way to even out areas of concrete patio where rain water collects into 2 large puddles? It also sits right up some against pool decking. A crack has also formed which I tried to patch ...
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3answers
541 views

Managing water entry at garage door during high winds on rainy days

I have a garage floor that's level, and the driveway slopes very slightly away from the garage door. On rainy days, I don't have any issues with water entry, but on high-wind days, the rain hits the ...
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0answers
575 views

DIY Crawl Space Drainage and Encapsulation

Our house is in western Washington and during the winter we get a lot water in the crawl space. I'd like to tackle installing a drainage system – probably with a sump pump – and then encapsulate the ...

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