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62 views

Why French drain didn't work?

We have a leak at the corner of the sun room. The contractor installed a French drain outside of the room, but it doesn't help. Water still seeps in from the corner when there was heavy rain. He then ...
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1answer
44 views

Back Yard Hill Drainage Issues

My back yard slopes toward my house. Below is a picture taken from my dining room to help explain things. Previous owner had a french drain installed marked by the red lines. We've had a week or so ...
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1answer
48 views

So Help Please With Driveway Ditch and French Drain [closed]

I have dug a ditch 4 feet deep along side of my driveway that always flooded and turned to ice in the winter.Then I added about 4 or 5 inchs of new driveway material so no more flooding but my ...
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1answer
23 views

What type of foundation is best in an area with silt loam soil, cold climate, and high water table?

I'm in the initial stages of planing a structure build, I say structure because what I'm really looking to build is an off grid ( no running water or sewer for staters ) vacation cabin on apiece of ...
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1answer
25 views

Annoying sand that gets into our house!

We just bought a house and the top of the driveway has sand which we figured is where a french drain pipe is underground. As of now, moving the french drain pipe is not in our budget but in a year or ...
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27 views

interior french drain installed causing wall to be wet due to condensation?

I had an interior french drain installed and I have water condensing on the durawall panel that is installed against the wall above the trench. The durawall panel runs about 2 feet above floor level. ...
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1answer
633 views

How far from the foundation and how deep should a French drain be?

My wife and I bought a house recently but sadley the rainy season has come and I noticed a bad smell coming from the crawlspace I went under neath and found standing water about a inch deep running ...
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1answer
45 views

What are the best options for rock, for french drains?

I'm installing a sump pump and a bit of drain, in a clay soil basement that happens to have a spring. It is silty fine clay that has a habit of migrating with water and clogging everything. What are ...
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1answer
375 views

Basement Flooding suddenly. It looks like I have a French drain. Why is it still flooding?

I recently bought a house and for the first month+, there was absolutely no water in the basement. All of a sudden one day, I go downstairs and there are puddles! I look and see that the water is ...
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0answers
198 views

Pouring drainage channel right next to foundation, how to protect the foundation?

Ugh. How can I arrange details on this concrete pour, to not damage the foundation later? This is San Francisco Bay area (no freezing). The visible clay pipe is a high volume gravity drain from the ...
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2answers
1k views

French drain issue and best way to correct it

I bought a house with a french drain already installed but it seemed to get a couple wet spots around the house especially after a heavy rain. I dug up a portion of the slab and saw that there ...
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1answer
2k views

Will a French Drain on the outside of a house keep water out of a crawlspace?

Right now I have a sump pump and have for years. I believe that pump has been there at least two decades, works fine. But, I thought I'd try and fix the water leaking. If I put a French Drain in ...
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0answers
182 views

French drain with no swale

My backyard is relatively flat and I like that but we get a lot of water running toward our house after heavy rains and filling up the window wells and making a swamp in the backyard. Some landscapers ...
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1answer
92 views

Is it ok to have a french drain right against a house?

My landscaper is suggesting installing a french drain right against the foundation to collect and drain water (I originally proposed just grading and possibly adding pond liner) but he thinks water ...
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2answers
2k views

French drain did not solve the problem

We noticed issues with our water coming through our basement cinder block wall and hoped a new interior french drain would fix them. It did not. Short Version: We just installed a new french drain ...
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2answers
1k views

How do I install a french drain in a sunken concrete patio?

Just bought a new home the back patio is sunken with no drain. I know I need to dig down and put a French drain out side of it. Where is the best place to penetrate the concrete and put a drain ie. ...
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0answers
546 views

Where to lead french drain end in backyard, cookie cutter neighborhood

I am going to install a french drain to alleviate some of the soggy muddy areas after rain. First, my backyard slopes and graded to drain to the rear left of backyard. There is a small valley to ...
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1answer
336 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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1answer
808 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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2answers
277 views

Best way to drain water away from house?

When we get rain the water flows off the cement slabs and drains into the space between the pavers. This is a small amount of water, but enough that a leak has formed in the basement. We are taking ...
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1answer
95 views

Drainage solution for pool area

I have a pool area which was filled with dirt. Side wall are intact but there were three large holes done at the bottom. During heavy rain season i see there is a water logging in the pool area as ...
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2answers
175 views

Sump, French drains, or other?

My place currently has a small (1 cubic foot?) pit in the basement floor with a sump pump in it, sufficient to catch the occasional flow across the basement floor from the (not well sealed to the ...
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1answer
896 views

Geotextile Filter for French drain woven or non-woven?

I'm getting to the point of buying the material for my French drain, which is suppose to go at the foundation of my house's crawlspace. Now the question, I couldn't find a definite answer to...the ...
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1answer
2k views

Does a French drain need to terminate above ground?

I'm in central Florida (lots of rain and sandy soil), and have had drainage issues around my house. I'm putting in french drains to resolve this. As shown in the image below, the drain (red) will be ...
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1answer
3k views

basement sump pump water level above drain tile

We bought our house in December of 2015. House is situated at bottom of the slope (backyard is slopping towards the back of the house not very steep - but still negative slope). House has sump pump ...
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0answers
774 views

Standing Water on French Drain

What could be causing standing water on top of a new yard french drain? I am working on a french drain solution in my backyard. I just finished covering the last section up yesterday and it started ...
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1answer
951 views

How to attach wall on top of french drain in basement?

I am in the process of finishing my basement and had an interior french drain system installed. I now want to start putting walls up but am unsure how to attach them on top of the french drain. I ...
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4answers
2k views

Backyard Drainage Issues

I recently had a sink hole in my backyard that I consulted with here on DIY and got some helpful responses. This was as a result of an old well. It was fixed by a landscape architect. However, after ...
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3answers
174 views

Semi-finished basement, water-resistant “baseboards”?

I'm planning on applying foam-panel insulation over my basement's concrete wall. I'm told a fire barrier is required over that, either plasterboard or decently-thick plywood. I've been considering ...
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2answers
165 views

Could this pipe be part of a french drain or something else related to a sump?

I excavated a wall in the corner of my basement and found what I'm assuming is a drain pipe, but the location has me baffled. It's literally in the corner of my basement. The placement doesn't seem ...
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2answers
313 views

After what depth is a subsurface drain (e.g. French drain) no longer practical?

We currently have a building underway and it's foundation consists of individual concrete footings extending 3m (~10 ft) below ground. It's also worth noting that the structure does not have a ...
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1answer
215 views

How do sub-surface drains (e.g. French drains) work?

Do sub-surface drains (e.g. French drains, rubble drains, etc.) require a uniform rise in the water table in order to work? Or can they catch and convey localized sub-surface water? For instance, let'...
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1answer
90 views

Does filling in cement(inside or outside the house) act as a deterrent to the soil-water and mold problems resulting from it?

An experienced contractor suggested to me that filling cement near the bottom one foot of basement walls will stop the water from coming inside the basement. And also, a 2 feet of cement floor around ...
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2answers
363 views

Please reassure me about basement french drains

I understand the principles and practice of putting in a basement perimeter drain... but I've got a slightly irrational paranoia about the concept of cutting the basement floor free that way. ...
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2answers
465 views

How to wrap french drain

I'm putting in a french drain to control runoff and get it out of the yard. The drain is going in an area of the yard that is covered with 1.5" river rock, no dirt will cover the trench at all. I want ...
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6answers
18k views

Preventing Clogging/Flooding at bottom of exterior basement steps

I just purchased a house this weekend, and moved in yesterday. I live in MD (USA), and there just happened to be a torrential downpour yesterday after we moved in. I went downstairs to check my sump ...
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1answer
160 views

Will my french drain clog/erode my soil if the pipe has holes on top?

Yesterday, I bought some piping at Home Depot for my french drain project. The solid pipe looked good with the proper alignment of holes. However, I needed flexible piping due to the nature of my ...
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0answers
66 views

How can I stop water from seeping into my garage?

Water is seeping through garage wall .People suggest dig and put French drain .I start to dig but can I put more concrete by the footer and support the wall instead of French drain? The water is ...
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0answers
361 views

Will installing closed cell spray foam over ventilation for basement French drain significantly affect performance?

Question: Will installing closed cell spray foam over the ventilation for a basement French drain significantly affect the sump pump system's ability to remove water from the basement? Background: I ...
4
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1answer
302 views

French Drain placement question

I am installing a French drain around the back side of my house to help protect the perimeter foundation. I have a 31'X 36' patio butted up against part of the foundation. Should I also install the ...
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2answers
795 views

Can I lay stepping stones over a french drain?

I am planning to install a french drain around my garage and make a walkway on top of it. I know the overall procedure for the french drain installation but am not sure how to make a walkway over it. ...
5
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2answers
638 views

Can I regrade this gravel section of yard myself?

My home is at lower elevation from the street. Water runs down the asphalt driveway and there is a french drain in front of the garage. On one side of the driveway there is a gravel patch that is not ...
5
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1answer
4k views

How should I install a french drain in this situation, and will it help?

I need to install a french drain to prevent the water from getting to the wall of my house. The water is coming off a patio, here is the layout I would like to understand a couple of things: 1) How ...
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1answer
1k views

How close is too close, when digging below foundation level?

I'm digging a drainage trench near my foundation, and have hit the bottom edge of that foundation. In this case it's a T style foundation at the edge of a slab, but elsewhere there's no slab. From ...
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2answers
1k views

Should I be concerned about foundation seepage and what to do about it?

We recently bought a 20 yr old home next to a lake in NC.. within a couple thousand feet. It doesn't rain incredibly often here but we've noticed when it does rain it pours 2-3 times the amount we ...
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2answers
2k views

How do I install this sump basin?

I have 110 year old house. The basement concrete floor was poured on the dirt and the sump well was an integral part of the floor. Thus the only way water got into the sump was across the floor. I ...
7
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1answer
1k views

What should I do about my rendering & damp-proof course?

I have a house that was built around 1890 and is of brick construction with a rendered band running around the base which also forms square edged columns around the front door. Until recently the ...
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1answer
1k views

Can I build a French drain with old concrete and brick instead of rock?

Can I use old pieces of concrete (broken up cinder block) and old brick instead of rocks in the construction of a French drain? I'm thinking of building a French drain that leads to a dry well to ...
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1answer
19k views

How do I create a curved surface drain out of concrete?

I have a barn and a pump house (10x16) structure that are within 3 feet of each other, built in 1910. The barn's foundation is field-stone, mostly exposed on the side of the pump-house. There is a ...
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2answers
2k views

Installing a cleanout for 4" corrugated black pipe foundation drainage

10 years after installation of 4" corrugated black pipe (perforated) foundation drainage, I am experiencing clogging problems. I would like to install cleanouts to improve sewer auger access. What ...