Why French Drains Fail - Must Watch!
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- Опубликовано: 15 ноя 2018
- www.frenchdrainman.com
We're installing some shrubs and some trees for some privacy and I wanted to show you why French drains fail. We blew the snow off the sod and then cut the sod out so that we can excavate the side and a snow. Both will act as an insulator. New Construction right now it's to frozen to work on, but where there's turf in some snow. It's great. Now, this French drain was put in this year and it wasn't by us. I want to make that clear. We did not install this French strain. I'm using this as an example of what not to do and why French drains fail.
We just cut off the side and you can see the pipe is at the surface. This is a shallow dig. You can see that they did not use a Geotextile non-woven fabric to separate the stone from the subsoil so the stone could migrate into the subsoil. The subsoil can migrate into the stone. The French drain plugs right here. Instead, they used a pipe with a sleeve or a sock on it and then just dug a narrow trench, a shallow, narrow trench, put the pipe in it, went ahead and just poured some pea stone over it and then lay the grass back over top.
So a system like this, I asked the homeowners did it work, you know, from the time of new and the homeowners say, yeah, they could tell a difference in the beginning, but they say then it just seemed to work less and less until it fails. So failure for a drain like this, I mean this would work a little bit in the beginning and slow down continuously as this migration of the stone and the subsoil occurred and that's where the system plugs. And then after about two years, that's when they say two years' time, they didn't work at all. They slow down after the first year. You can tell that there's definitely a difference and two years later they just quit and this is why they quit. [...]
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Thank you. I almost did exactly what you're saying not to do. This definitely saved my time and money down the road.
You guys are the real deal working in the snow!
The title of this video should read, "Why French Drains Installed Poorly Fail"
ruclips.net/p/PLjFCqaZ4v1BXWZPUFUNw6SMI64dtHlhzl&si=6fqNJz1Io_Cg4rgG
very informative....i think this is what my neighbors guy did and i am in the process of doing this to remove hydrostatic pressure on the exterior wall.... is 18 inchs deep enough? or should i just install a basin sump pump below grade?
Thanks for the great info.
Knowledge is everything in this type of work -Great sharing
We just dug a trench at camp so that our camp won't heave in the spring. We dug the trench 2ft deep and it was about 75 ft long around the one side of the camp. We made it exactly how you had described to make it in the video so hopefully it works well next year.
Did it work well ?
@@bellsbackIt worked well but should have been dug below the frost line.
You guys build the best!
Very useful - thx for posting
Good info thanks for posting. I'm thinking of installing one in my backyard so this will be helpful
ruclips.net/p/PLjFCqaZ4v1BXWZPUFUNw6SMI64dtHlhzl&si=-S4bcTYB-XIXhhqH
Creating a drain outside our 2-car garage entrance - gravel driveway - should we use a channel drain or a french drain? If we use a channel drain, do we need to embed it in concrete? I've skimmed / watched 30 videos. Can't find any addressing either of my 2 questions.
Can you recommend a company near Sarasota Florida? I would appreciate it. I live on an island
Thank you! 👍
Good content 👌 good information buddy
Thanks so much for all the information. Very helpful.
What is your opinion in the pre fabricated french drains. The one that the pipe is wrapped with some styrofoam gravel in a fabric. Seams easier just to dig and install. Much lighter.
Are these actually work in the long run?
Thanks
ruclips.net/video/20Msql_O5a4/видео.html
@@FRENCHDRAINMAN thanks for that comparison. Very useful.
Does the gravel you fill the trench settle after time causing a French drain to show having the runs lower than the ground around them.
@Troy
Good question
Crushed stone compacts round rock does not. Thank you for commenting!
Could you still used a sleeved drain.. inside of the wrap as you said .. for added security? Or is it not necessary?
Yes you can. It prevents smaller stone from getting stuck in the inlets
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Robert Sherwood is the host of The French Drain Man Channel giving all trade secrets in Building and drainage. With more then 35 years as a Licensed Builder understanding the need to do things right the first time.
Following the international code book helping DIYers around the world.
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@frenchdrainman I installed the blue tile I know to keep trees and shrubs away from it but how far away. And also can I plant bulbs near it? Flowers?
25ft away from trees. Bulbs 2ft away. Thank you for supporting the channel.
You mentioned using a NON-WOVEN geotextile fabric. What’s the difference between woven and non-woven fabric? Can you recommend a good non-woven fabric? Thanks in advance. Great video!
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Ok , i understand this video better than some of you other videos. Stone and pipe wrap as one.
Ty my good sir 🙏
ruclips.net/p/PLjFCqaZ4v1BXWZPUFUNw6SMI64dtHlhzl&si=EruHFdpHp3PnCEOX
Great video. What's the ideal stone size to use in your trench? Is bigger stone better? Also how wide do you dig your trenches for your systems?
Start at 14 x 14 inches deep. 1 1/2" Round Rock
@@FRENCHDRAINMAN
Sorry, did you mean 14 inches wide? I was asking about the width, not the depth.
@@vzgsxr he said 14×14 so 14 deep 14 wide as far as i understood
So what good is the fabric around the stone, isn't that just going to clog up as well?
So if the fabric around the pipe just clogs up with dirt why isn't the fabric around the stone just going to clog up with dirt equally as much?
ruclips.net/video/0ryOYWqsjFY/видео.html
WHat do You think about using wrapped pipe and no stone? I found a company using Dupont Typar SF44 sleeve, claiming that if used directly in clay it will not plug and will drain properly. Bold statement, very tempting.
In my experience it decayed. I stay away from it because of that.
@@FRENCHDRAINMAN You mean that particular DuPont wrap? Decayed like deteriorated and allowed soil to get into the pipe?
Your explanation of wrapping the pipe and stone, isn't that just the same thing as the wrapped pipe, your description just a larger version of the wrapped pipe. Thanks.
Thankyou
Question - since my yard is flat and the only slope is from the front driveway, having a shallow trench will maximize the slope from the back to the front. Is there really an issue with a shallow grave if it is properly wrapped?
You can do 3" corrugated pipe gravity powered system
@@FRENCHDRAINMAN Unfortunately, you only make your high octane in 4"...
inconceivable
Did you wrap the top as well? I thought the top you just put your grass on top.
ruclips.net/p/PLjFCqaZ4v1BXWZPUFUNw6SMI64dtHlhzl&si=sBgVhkytHxIq4iKD
So was this drain a year old or two years old, or older? (.28 & 2.04)
1st year only 5 months
I watched almost all of your videos maybe not. But I haven't seen one teaching us how to rap the fabric. How to lock it in how to close it up with the Staples. The proper way to close it up. Thanks. I'm doing very well on the project I got the big one covered finished today.
I just did one and kind of sewed it up with plant tie wire but it was a pain cos you have to poke holes in the fabric. Will want some kind of stapler next time.
Would be great to see a list of materials you recommend using. We bought a house not knowing it has foundation issues. We hired a contractor to do all the work including handling the outside but we got ripped of $28,700 because he hasn’t done the job. We have to take him to court. I would appreciate on how I can handle the French drain and downspouts myself since we don’t have money to be hiring someone else to do that specific job. We do have a foundation repair company doing the foundation work for $13,000 but so far we only have $2,500 for it. Please keep us in your prayers.
28000 dollars for what?? Lifting the house and pouring a whole new foundation?
If you wrap the trench with geotextile why doesn't the geotextile surface then plug up? Or is it because it's a much bigger surface area that it doesn't matter?
@Autotrope fabric keeps stone and dirt from migrating into one another. Water flows freely through CLEAN stone. Our fabric has thousands of punched holes in it to increase flow rates. Thank you for commenting
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If they would have wrapped the shallow dig surrounding both the gravel and the pipe with a good non woven geo textile fabric that thing would probably still be flowing.
Wrap it like a burrito, right?
I'm gonna have to buy a cheap cam to check my lines I am in North idaho and have a brand new house and we haven't seen water drain from our French drain ever
I watched as my neighbor had a “French Drain” installed today. I asked the contractor why he wasn’t wrapping it. “I don’t believe in doing that”… we’ll see how this is doing in 2 years.
How has it been now?
Really, no sock? Everyone else says use a sleeve / sock.
Let’s lay some pipe🤙🏼
To me at least the corrugated pipe harbors debris inside. I would prefer ridged S&D plus have it deep enough to prevent freezing in a northern clymate, and run it out on gravity flow.
Seen this on highways.
Geo geo geo.
I’d bet that this was Jason at Patriot landscaping. This looks like his poor work.
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this video is proof that the fabric clogs. the pipe is wrapped in filter fabric, it clogged.
ruclips.net/p/PLjFCqaZ4v1BUmAXw5xwQ0zbQRPxnX0U7R&si=zfQA4gyq657WjB9s
“S”cavate
I believe u meant "what good is a pipe that IS PLUGGED! If it's NOT PLUGGED, then it would drain.
However PLUGGED is no good. Good video
Well not exactly... The pipe can be not plugged and be a failure because the collection rock is all plugged around the clear not plugged pipe.
@@brooksfarris2778 THANK YOU!!!
What do you mean "plugged around the clear"
I agree 110% with wrapping the stone and pipe as one. Maybe I'm confused on how he worded it
@@UltimateMMAFan83 the pipe is serrated and designed to allow water leach in from the surrounding earth. If that earth / substrate surrounding the pipe is a "clean/unplugged" aggregate of 3/4" chip rock then the water will collect in the unplugged french drain pipe and with the proper grade it will flow away.
What happens when the 3/4" chip rock substrate is left unprotected from dirt , mud and sand the water can not get to the drain pipe because the substrate surrounding the pipe has become plugged with dirt.
Therefore you wind up with a clear pipe and plugged access to the drain pipe.