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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0 votes
2 answers
68 views

Can top of brick wall be level?

I understand it is preferable that brick wall tops be sloped so that water drains off instead of permeating into the wall causing accelerated decay. One of the reasons I would like to leave it flat as ...
0 votes
1 answer
299 views

Retrofitting Drain Where Patio Meets Retaining Wall

I just installed a patio 24' x 22' with a retaining wall that is around the perimeter of it, and it looks like water pools too much at the end of the slope (where patio meets retaining wall). There ...
0 votes
1 answer
282 views

Weep Vents for double skin retaining wall

I'm going to building a retaining wall to level my garden. The wall is not touching the house, I'm trying to work out the drainage solutions for this wall. Its not going to be too dissimilar from the ...
1 vote
1 answer
79 views

Best way to seal underground bore pipe which is in a pit

I have a closed bore pipe whose width is 6 inches and the pipe goes upto 30 feet deep. The bore pipe is in a pit whose depth is 6 feet. I have other drainage pits whose water level is 1 to 2 feet from ...
0 votes
1 answer
68 views

What on earth is this that came out of my sink's drain?

Our kitchen sink was draining really slowly so I went to town with the plunger. When it finally unblocked I went outside to where the waste drains and found all of this! Yuck! Can anyone tell me what ...
0 votes
0 answers
24 views

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 ...
5 votes
6 answers
2k views

How to terminate a soil drain pipe into the earth and avoid blockages

Is this advised? How would I set up the end of my drain pipe so as not to get a backflow of dirt and have the pipe get clogged. I'm thinking rock, then black cover, then more rock, then dirt, with the ...
1 vote
1 answer
144 views

Should I be using this white pipe to drain my sump pump?

When I moved into this house earlier this year, the sump pump had a black hose connected to the pipe like the one here except the old one was super beat up (probably got ran over by a lawnmower). I ...
2 votes
0 answers
3k views

Rain diverter on metal roof [closed]

I have a standing-seam metal roof (without gutters), which pitches down over the front door. This causes a couple of issues: It is awkward to go out the door when it is raining, as you need to walk ...
0 votes
0 answers
25 views

Maximum distance between sink basket and floor outlet pipe

I am installing double bowl sink on the benchtop. I am not sure what maximum length is allowed between trap below the sink and pipe outlet on the floor?
1 vote
2 answers
7k views

Prevent water seepage through concrete block foundation

Earlier this week we had a really warm day which was welcomed by many after such a long cold winter. That night I came home to find a small puddle forming on my basement floor. I followed the water ...
1 vote
1 answer
129 views

How to proactively prevent termite infestation

I'm seeing ants boring holes through Tiles and ejecting sand and I'm told ants are first to come then comes the Termite. Outside my building I'm seeing lots of ant colonies where if can lay our feet , ...
1 vote
0 answers
13 views

Remove water run off stains on concrete

We had some planters installed in our backyard and the drainage wasn’t really thought through well. So when it rained, some water stains were left on our concrete. What’s a good way to remove these ...
4 votes
3 answers
1k views

Best way to prevent basement flooding

I am trying to mitigate my basement flooding. The flooding is pretty minimal. Just in two location water seeps through the floor. One spot is in the back corner of the house and the other is along the ...
0 votes
1 answer
59 views

Extending pvc drainage pipe that's "type c" (tele-duct)

I need to extend some 4" PVC drainage pipe. The problem I'm having is that the existing pipe is "Type C" ("tele-duct"). It has a slightly different outer diameter (4.350") than a typical PVC pipe (e....
0 votes
1 answer
102 views

Is it ok or normal for my sump pump to run as much as it does? [closed]

Is the frequency that my sump pump is discharging normal? Is this ok? Should I be concerned about my finished (split level/raised ranch) basement? As of today my sump pump is discharging approximately ...
0 votes
2 answers
2k views

How far out to install French drain so water can't pass underneath it and still get into house?

We have Bilco doors in our backyard that go down into our basement. Our basement is cinder block foundation. Unfortunately our entire back yard slopes downward toward the house, and so during heavy ...
15 votes
5 answers
14k views

Does a drainage pipe need to be continuously sloped?

I need to move water from the back yard to the front yard, to combat the monsoon season, in which a 50 gallon container in the backyard can fill up in 1-2 minutes. I bought some 4" piping, and ...
0 votes
1 answer
50 views

Water in Basement After Heavy Rain

link to photos Hi everyone. I consistently have water in my basement on the Eastern wall of my house every time it rains heavily - 1.5 inches or more in a 24 hour period. The water seeps in through ...
1 vote
1 answer
106 views

Why is water escaping my downspouts onto the concrete pad?

A post on what I should do with a new house suggested that I walk the lawn when it was raining cats and dogs. I took that advice this weekend and noticed something very interesting about my downspouts....
1 vote
0 answers
71 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 ...
0 votes
2 answers
96 views

Is it ok to have condensate drain pipe onto concrete next to foundation?

Here is another madness my heat pump & heat pump water heater installer did: The condensate drain (operated by a pump) runs directly on the concrete, next to the exterior wall (and hence ...
1 vote
1 answer
101 views

Flooding problem

I have an area between my concrete drive way and house that floods every time we have a hard rain. The water seeps through the brick and floods my living room. What is the best and cheapest way to fix ...
0 votes
1 answer
95 views

Is it permissible to connect water softener drain(s) to tub/shower unit overflow drain? How? [closed]

My A.O. Smith water softener system (6-month sediment pre-filter, 6-year whole-house filter tank, 6-year descaler tank, and 6-month sediment post-filter) seems not up to the job of softening the local ...
2 votes
0 answers
72 views

Solutions for roof drainage with large amounts of water/ice?

My new shop is 30x60, single sloped the LONG way (water drains along 60 feet). This is making for some large amounts of water coming off the end during storms, which makes washouts on the sloped ...
0 votes
1 answer
23 views

Mildew at the base of exterior block wall

The back wall of my row house is made of uninsulated block with a cement coating that looks like stucco. There is mildew / mold on the wall at the ground level that has slowly been getting worse. The ...
1 vote
0 answers
47 views

Will this work? Shower drain to Flow Well to Storm Drain

My outside shower drain runs 12 feet to a dry well. It backs up after a minute or two after showering. I'm looking at other options and would appreciate any feedback. I have several neighbors with ...
0 votes
1 answer
84 views

How do I properly rebuild this retaining wall?

Retaining Wall breakdown progress I wanted to replace the posts on my porch but the retaining wall was getting dangerously close to them so I had to address it first. I started taking it down and I ...
0 votes
3 answers
5k views

Durable leak-proof connections / couplings for corrugated drainage pipes

PVC pipes can be joined using couplers and glue to form a durable water tight connection. I have not had any such luck with corrugated pipes - and have had to deal with the consequences of leaking ...
2 votes
2 answers
5k views

Non woven geotextile fabric for french drain clogging in heavy clay

I did a lot of research on french drains before I hired a landscaper to put one in a month ago. Followed advice of the French Drain Man and used 4oz non woven geo textile fabric. I also had standing ...
0 votes
0 answers
99 views

Can foam jacking restore slope to my front stoop?

The stoop in the front door inclines towards the house and guides the water into the crawlspace. The stoop itself is outside the foundation wall of the house and is not fixed to it. The lower part of ...
1 vote
0 answers
59 views

Egress window well - can't drain to weeping tile because I keep hitting concrete

I am installing an egress window in the basement of a house built in Colorado in 1965 (maybe those details will help?). I have dug the well ~12" below where the bottom of the new window will be. ...
1 vote
1 answer
80 views

Could water flowing out of a drain tile pipe cause a foundation leak?

I need advice on a French drain I am building on my property. I have 2 low spots behind the house near my deck that become water puddles when it rains. I am planning to build a 60ft French drain with ...
0 votes
1 answer
93 views

What kind of pipe should I use for a gutter drain under a driveway?

I need to divert water from a rain gutter. The problem is that I need to run the pipe under a side driveway. What is the best pipe that will hold up with vehicle traffic? How deep does the ditch need ...
0 votes
0 answers
15 views

Placing drain pipe below pavement [duplicate]

In this picture you can see a paved path separating a flower bed on the near side and a drainage trench on the far side. The pavement sits in a bed of compacted gravel, and is held in place by two ...
0 votes
1 answer
48 views

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. ...
8 votes
1 answer
5k views

Why is there a 1/2-inch hole drilled in my heater exhaust?

I have a Carrier high efficiency furnace which uses 2-inch PVC pipes to pull in combustion air from outside and exhaust the combustion gasses back outside (through a concentric vent, but that's not ...
1 vote
1 answer
66 views

What are these gaps in foundation footing?

A section of foundation I excavated has gaps in the foundation footing. They are uniformly spaced apart and look very intentional. As far as I can tell they are at least 4-5 inches deep (that was as ...
0 votes
0 answers
83 views

Cinder block foundation dissolving from water

I discovered that water seems to be dissolving the cinder blocks in one corner of the addition we had put on the house back in 2005. Although I haven't excavated it yet, I can see at least 2 cinder ...
0 votes
0 answers
11 views

Imrpove drainage

We have a negetive slope driveway, it has a dry well right in front of the garage door with a big drain cover, every time it rains heavily, water flows into garage, due to unevenness of the floor, ...
0 votes
2 answers
69 views

How to seal off sewer gasses on a 3" horizontal sewer pipe coming into a sump pit?

I have a drain in the front vestibule that I've turned into a sump pit since I have stormwater backup that I need pumped out of it when the backyard floods and overflows into the front drain through ...
0 votes
1 answer
53 views

Installing a channel drain

Is it advisable to convert a single round drain into a channel drain? Will this help lessen the frequency of clogging with leaves or other debris? Is it just a matter of cutting a wide strip out the ...
0 votes
0 answers
32 views

How thick does the impermeable layer need to be when grading a yard?

I'm grading my yard and have found a deep layer of sand (at least 2 ft) extending out about 10ft. Perhaps the sub base for a patio? I understand I need an impermeable layer to ensure rain runs away ...
0 votes
1 answer
234 views

Draining a washer straight into the sump discharge line?

My house was built in the 1980s and when I was in my crawl space, having to replace the leaky check valve ( vertical orientation, right above the sump pit, then the drainage line turns horizontal ...
1 vote
1 answer
64 views

Who do I hire to repair damage from a leak from the deck into the house?

Backstory: we bought a ~130 year old wood-framed house a year ago in MA. The previous owners maybe 10 years ago added a two car garage to the back of the house and a large deck on the roof of the ...
0 votes
1 answer
269 views

Draining Dehumidifier through window

We are getting a dehumidifier for our basement and attaching it to a condensate pump. We would like to drain it out the window, but we want to know how to do that without having the window needing to ...
0 votes
1 answer
27 views

House Has Apron - Sump Pump Goes Out Window - Proper Drain In Wrong Place Still Better?

So my house has a concrete apron, about 20" or so off the house, and then grass. The current sump discharge is out a hole in a plexiglass window. I was going to lay a proper 4" SD pipe out ...
0 votes
3 answers
127 views

Is a filled in sump pump pit a problem?

Filled in sump pump pit an issue? Considering buying new home. Sump pit was filled in at some point with no record of who/why (home is from 2001). Unsure if pit is filled with concrete or other ...
3 votes
2 answers
330 views

Should water be dripping from my furnace condensate line onto the basement floor?

I recently had a Lennox A/C and furnace installed. The condensate line drips water into the basement floor drain, as my old one did. But now there's also a little side vent in the line that is also ...
1 vote
1 answer
110 views

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 ...

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