@frenchdrainman nice video, I have to lay a land drain in black soil (Scotland) and there is no gravel available; as the least bad option will wrapping the pipe in membrane or using prewrapped pipe still work? Any advice from your experience appreciated 100m, 100mm dia perf corrugated at 600mm depth
I had mine done (80’) a year ago. They used pea gravel and no wrap at all. It didn’t even make it through winter. Now I’m forced to redo myself. SO, I’m binge watching all your videos. Thanks!
Thank you for your videos! I'm in the middle of building a garage. My concrete pad backs up to an upward sloping hill. With, of all things, a wet-weather-spring fed pond at the highest point on my property at the ridge apex, behind my garage site. The pond often over-flows, and sheets down the hill. Releasing hundreds of gallons of rainwater an hour. I installed my french drain, in a 2'x2', soil barrier lined, trench. All along the back of the pad, and down one side. Then I tied it into my buried drain line, that runs down to the city storm sewer, while collecting all of my gutters from my house, and a catch basin under my rear deck. There is a bout a 35' drop in elevation from the garage pad, to strom sewer at the road, (I live on a small ridge.) Even with the recent several days of monstrously heavy rains in Tennessee, from hurricane Laura. My pad never had any run-off on get onto it. So when my building goes up, I am confident there will be no water intrusion. Since there is no grass behind the pad right now, due to recent dirt work around the build site. And my spring-fed pond overflowed every single day. I was more than impressed. I followed your simple rules for a successful french drain, and they work like a champ! Due to the elevation difference between the highest drain installed, and the city storm sewer. My drain line that enters the city storm sewer catch basin. Blowed like a 4" fire hose, at full-pressure. I poured some liquid soap in the gravel around the pad to see how long it takes the water to travel the 400 linear feet of drain line down the hill. We had a ginormous pile of bubbles down at the road in less than 2 minutes! The whole project cost me just under $2K, not including the existing buried drainage lines.However, it should keep my new garage dry forever. Thank you for sharing your trade, and expertise, with the world!
Great job! Work for a builder and saw this exact detail on a drawing. Wondered why the civil engineer drew it up this way and now it makes perfect sense. Thanks
I think I agree with this video more than anybody else's but I got to say my 3 hours of experience pulling out these drains that has failed has done powerful teaching. I agree with every one of the videos I've seen here.
I am a firm believer in going ahead and putting rocks/boulders along the upper edge and leaving the system open rock, versus planting over the top, so your pipe is still concealed under rock, but there is no dirt on top to gradually plug up your system-a swale type design. It allows the sun to heat the rock and trench, thawing it faster in winter months to keep water moving, and allows for evaporation. When edged and covered with attractive river rock, it can really enhance the look of a landscape as well.
Great video! I am in pennsylvania and I am going to go rip mine up out of the ground and start over. Here was my mistake: I dug trench, filled withstone, sleeved 4" corrugated PVC pipe, ran into sump bucket. Water barely trickling to pump. the problem is all the videos I was watching was people down south I didn't think to watch a video from the north things are done differently up here I'm originally from Florida so I'm still learning but I like your videos and I'll definitely keep watching more!
I'm from up north but live in Jacksonville, Florida. Do you think I need to do it this way in florida? Or watch a video of someone down south installing it?
Each video I see says different things.. I have clay soil and I watched a video earlier today stating that the clay will clog the material and its best not to have any material. Its takes longer for stone to clog up than it does for the material.
@@potraf26 I dug a wide trench removing a good amount of clay. I lined the bottom with stone. Laid the pipe and connected to a drain. I decided to just fill it with stone and pea gravel. I put a layer of fabric over the top and covered with dirt. It's not perfect but it is a massive improvement. The garden will still pool in heavy rain, but instead of days to clear it takes a couple of hours. There is no pooling around the area of the drain.
The dirt / soil will always stop on the outside of the fabric but if you place the fabric against the sides of the trench the number of sq. Inches of drain able area will be 100s maybe 1000s times larger than the area you will have if you wrap the pipe.......if you think about it wrapping the pipe will eventually, when the soil hits the fabric and blocks water flow, leave you with water only flowing through the fabric and then directly into the slits only.......wrapping the trench will allow water to flow into all the voids between the rock then freely flowing into the pipe slits with no restriction......wrapped trench = no pipe infiltration flow restriction......wrapped pipe = sever pipe infiltration flow restriction
Great video! I'm installing a French drain that I have to drive my 30HP tractor over regularly. What sort of pipe and stone would you suggest? I'm leaning toward perforated double or triple wall HDPE rather than PCV because I'm in northern Ohio and get regular freezes.
i love you guys thanks so much chicago weather is pretty close i love the water has a place to go this system definitely moves water im on a slab and previous home owner buit a screen room it has a flipper style gutter that just hangs off and dumps water and with the snow melting and spring rain water goes under patio andunder slab into heat duct but i did what you recommended dug nice trench laid fabric and coverd with gravel NO MORE WATER COMING INTO HEATER DUCT.THE SOIL HAD SO MUCH WATER FROM WHAT I MENTIONED ABOVE THE SYSTEM YOU POSTED MOVES THE WATER THANK YOU GUYS SO MUCH!!!
We do the same last 6 years. Basically you multiple the size of the geofabric by doing this so the surface of the material is bigger so the filter is larger.
I am getting ready to try and do a French drain. I want to make sure you said NOT to use Fabric Drainage Sock for Corrugated Pipe. 1) dig 2) lay Fabric 3) rock 4) overlap fabric 5) cover with dirt (of course be sure it is grade)
Nice pipe. I follow a similar procedure, but encapsulate the pipe in 3/4" rock. The angle of descent, soil composition, and fabric choice keeps all water moving to the street or absorbing into the ground (nothing standing in the trough). My installation site is 20ft above sea level.
The title of the video is incorrect, even when based on the contents of the video. It is not a bad idea to wrap a drain pipe with drainage fabric. It is a bad idea to not wrap the whole trench with drainage fabric. It is a bad idea to ONLY wrap a drain pipe without wrapping the whole trench.
Thanks for sharing your expertise on installing a French drain. I went to your website and it would let me have access. My husband and I are interested in getting some of your supplies.
I did exactly what you proscribe (on my own intuition) have to pull it all up and line with plastic, 1 foot away from stone house foundation, now leaking more into foundation rocks falling etc
Interesting how your install process has evolved in just one year. One yellow pipe back filled with stone to your quadpack blue pipe back filled with (not as much) stone.
@Steve We have many patent pending designs stay tuned. If Automotive companies stopped once the car could take you from point A to point B look where that would have left us. As self employed entrepreneurs and mostly self taught we are wired to stay at the top by reinventing ourselves, products, services. Thank you for commenting!
This is great info - I have been wondering why most videos and books say put rock under the pipe, because with rock at the bottom it has always seemed to me that the water is mostly going to remain outside (below) the drain pipe - and so the drain I am working on currently, has the drain at the bottom, then covered in rock.
Something in not sure if you've considered... Pipe mass < rock mass. Over time the rocks will end up at the bottom & pipe will rise. How do you propose contacting that?
Helpful video! I made my French drain like you described but water doesn't get into the drain pipe! Am I using the wrong kind of fabric? Is there a difference between fabrics that are for soil separation vs landscape fabric meant to keep weeds from growing through? Something is wrong, but I can't tell why water is just pooling on top of the French drain trench!
There are hundreds of fabrics. Weed barriers are just that and do not work for drainage problems. Best French Drain and Yard Drainage Contractor frenchdrainman.com/
If it's not working, you definitely used weed barrier instead of the perforated fabric that allows water flow. Go ahead and rip that fabric off the top and you'll see your drainage work as long as you had good slope of course... Happened to me and I learned the hard way lol...
Thanks for your videos! We got talked into buying limestone crushed rock but now I’m worried it will clog the drain. We have the non-woven fabric but now I’m thinking we also need the sleeve around the pipe so it doesn’t clog with crushed rock sediment. What do you think? The limestone is also pretty dirty 😞 I’ve been trying to wash it all before using it in the trench.
5ft fabric Here's a video and fabric links th-cam.com/video/VZTCBeIVWCc/w-d-xo.htmlsi=X0xfxgQUvbZzwjkB Non-woven Geotextile Fabric in 4 oz and 8 oz frenchdrainman.com/filter-fabric/
FRENCH DRAIN MAN awesome vid! Should we use a soil separator in a leach field trench too? I thought I saw a leach field video without a separator but wanted to make sure that’s correct. Thanks !!
Thank you for the video. In my case, the water is accumulating only in a small pool that formed at the top of the slope. Do you think it would be better to use not perforated pipes?
Question: Since there are 8 perforations around the diameter of the pipe, water, at any time, can both enter and exit the pipe. So a layman would assume that, until the water has nowhere else to go, it won't efficiently head towards the fall. Wouldn't there be water remaining in the french drain at a level equal to the lowest perforation?
High Octane Royal Blue 8 slot with the wide open inlets. Minerals over time plug inlets and a pipe with bigger inlets isn't prone to plugging from minerals in the groundwater. It would take a lot longer to plug the inlets.
Lmfao 😂😆😂😆 I have been seeing French drains installed for years and done a few myself as a plumber for side work and I actually have done it this way not my first time that was with a pipe with a sock over it but after I realized that they sold the barrier filter material in 100 ft rolls at my irrigation supply shop and I have been told by other irrigation people that I was doing it wrong but I continue to do it this way this makes me feel a lot better now I never understood the sock over the pipe and throw dirt in it when the soil is going to mix in with the rock and end up clogging the sock up anyway this way you have a large area of substrate or Rock that the water can flow into and then the tube can carry out mentally I always thought this was the best way because I had seen other people install it various other ways and none of them made sense
I’m going to do an interior drain around the perimeter of my crawl space and run it to my sump pit, should it be done any different than this? Everyone else always seems to push putting rock in the bottom of the trench!
Watch "Clay, Climate & Clogging: Build Your French Drain to Withstand Anything | Back to Basics Pt. 3" on TH-cam th-cam.com/video/VoMiYH7TbdA/w-d-xo.html Watch "FRENCH DRAIN the Biggest Mistake and its done on purpose [ Cheating the Homeowner ]" on TH-cam th-cam.com/video/b2wzhqbJalk/w-d-xo.html Watch "Tearing Out Failed French Drain in Local Detention Pond | Back to Basics Part 1" on TH-cam th-cam.com/video/ZwFnED43OQs/w-d-xo.html
@FRENCHDRAINMAN i was thinking for a shed base! Using non woven Geo~textile 1st then top with crusher with mixed crushed stone 8in deep covering with a 2nd layer, adding the pipe then down the center and covering with¾ clean stone! The bottom 8 will be compacted and mixed with concrete mix to harden it up like concrete because it's swampy land. The next layer with 2nd layer gets the pipe without wrapping it so it can drain out from there! Out the back of the 4x6 downgrade! I'm installing a 12x20 shed over 14 X 22 base 2 4x6 doubled up in ground! I've done this other ways but in this soil I think this would work best! Any thoughts?
What about the miles and miles of corrugated farm tile that is put in every year with no fabric or stone backfill and doesn’t plug the slots in the pipe?
@@FRENCHDRAINMAN That is 100 percent incorrect. The reality is most ground can be dewatered with tile with no stone or fabric. I am not saying not to use stone and fabric if you want to just that most tile is laid without it.
Excellent info. Thanks for sharing knowledge. I am working on replacing the pipe in my system over the wknd. I wish I lived in your area! I would ask you guys to repair mine. I live in another state. My plan is the use corrugated slotted pipe with gravel and fabric like you showed. I think in some areas I will have to transition to schedule 40 that has no slots. I have to drive over that particular area and I heard that 40 is strong enough to withstand it. I’m still 12 inches in the ground at this point. Any pointers on how deep should I install the schedule 40 and the corrugated to not crush it when I drive over that area? Thanks in advance. Any info would be helpful. Stay safe.
A pipe is always more protected when packed in stone. Dirt can be soft and sink causing bellies. I prefer to use 6 inch pipe in applications like you have described. It displaces so much area that even a little movement over time will not stop a 6 inch pipe from flowing water.
If your going 7.6 feet deep ( basement) how much gravel in feet hight inside burrito? So How much gravel do you need before you put soil down, feet of soil recommend on top of gravel wrapped in your fabric burrito? Thank
Hi do you not find the same problem with the fabric clogging on the outside of the gravel and pipe? We've just put french drains in clay soil and wrapped in non woven geo2but it's only been 2 months and the clay has blocked the outside of the terram and the water isn't getting in quick enough, how do you stop the clay clogging the outside? I cannot find any info online on this happening and what people have done!
much more work needed here. you will need a double separator. u will have to dig ~1 m each side of the french drain, first separator to block out the clay using geo material or synthetic or plastic for building, then fill up with intermediate nonpermeable, soil or use gravel or coarse river sand, then closer to pipe, use the separator again, then gravel around pipe. it will eventually bet blocked up, but a double separator will reduce the clay seapage into the next layer, and reduce it even further into the french drain
It's hard to do drainage in the clay. Do not back fill the drainage with the clay, use sand. This drainage should take only underground water. If you need to take surface water lets say you grass on backyard gets flooded then between the drainage and grass needs to be laced penetrating material as sand or soil.
You need to put sand on top of the fabric and a thin layer of sand on the bottom of the trench before installing fabric. Before you put the fabric in, it would also benefit you to watch this playlist: th-cam.com/play/PLjFCqaZ4v1BXWZPUFUNw6SMI64dtHlhzl.html&si=8Hs-Y9noULMGIkwW
Enjoy the vids. I’ve got standing water in yard after heavy rains. But how do I lay a new section of corrugated pipe and tie it in to an existing catch basin? Basin, altho small, appears to be a vertical concrete cylinder which drains “that” area, with just one outlet leading to street sewer. Replace the catch basin? With what? Thanks
You can cut the corrugated pipe anywhere you want and reroute with an attachment/extender/diverter, and an additional catch basin if you need to... so many ways.
I am so confused…. I live in the south where we have heavy clay. I did the burrito and it drains slowly, but pools up on the surface. Literally just installed it and the clay just saturated and turns into a thick slop. The drain is only about 25’, but 7 minutes to soak up the puddle = flood in a major storm. May just remove the soil and go with river rocks… The video says we are in the north and the soil is very different.
Would this work in Florida ( Central location ) ? Or any recommendations on How To Install in Florida Ground ? Thanks ,,, and Thanks to any who offer help , advice .
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Pretty good advice here. You get more surface area with your filter cloth to work if you wrap the whole system. By wrapping the pipe itself, as soon as the soil mixes in your clear stone isn't clear anymore! That never made any sense to me.
1:11 I hope this finds you doing well. I am confused by your statement here. I might be understanding it all wrong. You say you need a soil separator so that the stone and subsoil don't mix, but then you point at the trench wall's soil and say "and it will plug here" and follow by saying "what good is having a pipe that is not plugged if you can't get the water to it". So I am confused since you say it will plug at the trench wall's fabric, but then say that you wrap everything. Basically it will still plug. So that is my confusion. I wonder about this because I I have clay type soil, so this is now worrying me more. I used 4oz fabric to wrap around a 4inch perforated pipe that is surrounded (bottom as well) in stone (gravel 3/4). Creating a burrito, like you show but with a little gravel at the bottom. Not freezing here in the mid south. Above the french drain I had to lay some solid corrugated pipe coming from a downspout, but still all this covered with top soil not the clay I removed to dig the trench. I wonder if this will work out or I messed up. The other way would have been not using any fabric and just stone, but it is done already. I'd appreciate your clarification and then thoughts if you can and have some time. Thanks. Nice content and work.
You can lay the stone first if there are no trees around. Otherwise, the trees will come after the water that's held in the stone bed under the pipe, and fill it with roots.
@@FRENCHDRAINMAN I have a shed on 3 side by side slabs of cement. The center slab is lower than the 2 slabs on each side. I'm trying to divert the water from coming into the shed through the center slab. I've installed gutters and I ordered your Kit 10 to divert the water. I'm removing the roots along the side of the center slab. I guess my question is, would a french drain be the best solution there? I hope I've explained myself. Thanks
Water does not move through this fabric all that fast. If it’s snug up against the pipe all the way around , you’ve essentially very limited your surface area of transmission. So I agree with your reason, but I think this is another one
How can water get through the gravel and out the drain pipe when the tiny pores of the fabric have been clogged? Won't this render your system non working?
Isn't there a good chance that the fabric wrapped around everything will eventually block up with soil and then water won't be able to migrate into the clean stone / pipe?
Do you have to use fabric if you're leaving the trench filled with rock/gravel and having the gravel match the level of yard with no dirt on top? So, basically a French drain uncovered of grass and dirt, so it's visible in the yard.
Yes, soil will still come in from the other three sides. You want to lay the fabric in the trench and then the pipe just as shown in this video, then fill it up to about two inches from the top of the trench with gravel, then wrap the fabric around that, and top off with more gravel. The top gravel is mainly decorative so what I see a lot of people do is use decorative stones for that, such as what these guys sell decorativeaggregates.com/
@@Synthmilk I'm not disagreeing with your method but trying to understand how doing it this way the wrap stops the soil blocking the stone and pipe, but sleeving the pipe can block up. Why can water pass through the membrane when its up against the soil with stone inside, but it cant just wrapped around the pipe still with soil to the outside after it leaches between the stone?
Hi - just about to install one (in the UK) - thanks for answering about the need to place the pipe right at the foot of the trench. How would you suggest I deal with a stepped foundation? The retaining walls I'm building are on a gentle slope which runs along the same line as the wall, so the footing/foundation steps down 110mm every meter or so. The pipe I'm using isn't flexible enough to follow these sudden drops, so do I have to compromise and have some gravel under the pipe to smooth out the steps?
What do y'all think about having a layer of plastic running along the bottom of the trench to prevent any water from seeping into the soil below the pipe?
so, the real key is to make sure you have fabric between the soil and the stone/rock. Having a wrapped pipe is not a problem, as long as you still have a permeable barrier between your soil and your rocks
As a professional I see french drain experts always try to sell french drains because that is what they do and what they have equipment for.. Sometimes the correct answer is to do a little landscaping to just gently change the slope of a yard. It really really depends on the source of the water and the outlet. Sometimes basins and smooth wall and not perforated pipe should be used. Just saying fabric and slitted plastic tile is not always the answer.
The biggest lesson I've learned in 38 years is to pipe the water out of there. Chasing water is just relocating the problem. You can chase water around until you're blue in the face. Now, do you need to re grade once in a while? Absolutely, you do.
@@FRENCHDRAINMAN I do not disagree in the least with that. Just saying each case can be unique. I also have worked with sewer and farm field drainage. I have seen lots of surface water problems. Buffer zones and filter strips on the surface also work on combination of a surface water collector. Like I say sometimes the fix is easy if it's surface water and not saturated ground. Gasketed pipe like sewer pipe and Smooth wall pipe is more expensive than slitted tile. But I seldom see it used where it should be. Also non slitted tile is also important. I have had to repair so many French drains and roof drains because of roots. Lazy contractors used slitted tile by the trees and shrubs and roots plugged em up. Just something interesting for those who might read the comments. On a farm drainage project , on a normal day a crew of 3 can install 55,000 - 60,000 ft of 4" tile when conditions are so that it can be knifed in with a tile plow.
Does it work well for many years? Because he's saying the rocks outside the fabric locks up with the soil and slows/prevents drainage. Also depends on type of soil and average temperature, so there's no wrong answer.
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This is about the 100th video I've watched about clay and fabric and I'm still confused. I'm thinking about just doing it with rock alone. A filter is a filter... wether it is a fabric filter or a rock filter, wether it is non-woven or not. If it's filtering the clay, where does that filtered clay go??? and they all eventually clog. Seems like a fabric filter would clog much faster than rock... I'm leaning on using 6" smooth perforated PVC pipe with 90 degree sweep elbow clean outs on each end, (round grates on top) and just run a pressure washer drain snake attachment through it every couple of years. Surround the pipe with about 1" diameter rock. The smooth pipe bottom should help it clean easier?? Seems like the rock might tend to clog from the top anyway, and not the sides or bottom, due to gravity... I'd rather deal with that down the road than pulling the whole thing due to clogged fabric.
I see the pre wrapped drain pipe in stores. Is there an application where you would use it ? Why is it pre wrapped when your philosophy here is different ? I'm a little confused as to this.
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@frenchdrainman nice video,
I have to lay a land drain in black soil (Scotland) and there is no gravel available; as the least bad option will wrapping the pipe in membrane or using prewrapped pipe still work?
Any advice from your experience appreciated
100m, 100mm dia perf corrugated at 600mm depth
So rare to get both a rationale and some data along with the advice. This channel is head and shoulders above most others. Thanks
I had mine done (80’) a year ago. They used pea gravel and no wrap at all. It didn’t even make it through winter. Now I’m forced to redo myself. SO, I’m binge watching all your videos. Thanks!
Thank you for sharing
Use schedule 40 PVC its a little more expensive but worth it
Thank you for your videos! I'm in the middle of building a garage. My concrete pad backs up to an upward sloping hill. With, of all things, a wet-weather-spring fed pond at the highest point on my property at the ridge apex, behind my garage site. The pond often over-flows, and sheets down the hill. Releasing hundreds of gallons of rainwater an hour. I installed my french drain, in a 2'x2', soil barrier lined, trench. All along the back of the pad, and down one side. Then I tied it into my buried drain line, that runs down to the city storm sewer, while collecting all of my gutters from my house, and a catch basin under my rear deck. There is a bout a 35' drop in elevation from the garage pad, to strom sewer at the road, (I live on a small ridge.) Even with the recent several days of monstrously heavy rains in Tennessee, from hurricane Laura. My pad never had any run-off on get onto it. So when my building goes up, I am confident there will be no water intrusion. Since there is no grass behind the pad right now, due to recent dirt work around the build site. And my spring-fed pond overflowed every single day. I was more than impressed. I followed your simple rules for a successful french drain, and they work like a champ! Due to the elevation difference between the highest drain installed, and the city storm sewer. My drain line that enters the city storm sewer catch basin. Blowed like a 4" fire hose, at full-pressure. I poured some liquid soap in the gravel around the pad to see how long it takes the water to travel the 400 linear feet of drain line down the hill. We had a ginormous pile of bubbles down at the road in less than 2 minutes! The whole project cost me just under $2K, not including the existing buried drainage lines.However, it should keep my new garage dry forever. Thank you for sharing your trade, and expertise, with the world!
Great job! Work for a builder and saw this exact detail on a drawing. Wondered why the civil engineer drew it up this way and now it makes perfect sense. Thanks
I think I agree with this video more than anybody else's but I got to say my 3 hours of experience pulling out these drains that has failed has done powerful teaching. I agree with every one of the videos I've seen here.
th-cam.com/play/PLjFCqaZ4v1BUmAXw5xwQ0zbQRPxnX0U7R.html&si=QI_WSF029yG3kzxB
I am a firm believer in going ahead and putting rocks/boulders along the upper edge and leaving the system open rock, versus planting over the top, so your pipe is still concealed under rock, but there is no dirt on top to gradually plug up your system-a swale type design. It allows the sun to heat the rock and trench, thawing it faster in winter months to keep water moving, and allows for evaporation. When edged and covered with attractive river rock, it can really enhance the look of a landscape as well.
It only enhances the landscaping if a line of stone looks good there. All depends on where the drainage is needed.
Great video! I am in pennsylvania and I am going to go rip mine up out of the ground and start over.
Here was my mistake: I dug trench, filled withstone, sleeved 4" corrugated PVC pipe, ran into sump bucket. Water barely trickling to pump. the problem is all the videos I was watching was people down south I didn't think to watch a video from the north things are done differently up here I'm originally from Florida so I'm still learning but I like your videos and I'll definitely keep watching more!
I'm from up north but live in Jacksonville, Florida. Do you think I need to do it this way in florida? Or watch a video of someone down south installing it?
Each video I see says different things.. I have clay soil and I watched a video earlier today stating that the clay will clog the material and its best not to have any material. Its takes longer for stone to clog up than it does for the material.
i think this is a good point. I think it really makes a difference what soil it is. Not all soil behaves the same.
Yep. It's really confusing :(
I’m with ya, I have clay so I’m going with just a sock.
I have clay too. What did u end up doing?
@@potraf26 I dug a wide trench removing a good amount of clay. I lined the bottom with stone. Laid the pipe and connected to a drain.
I decided to just fill it with stone and pea gravel. I put a layer of fabric over the top and covered with dirt.
It's not perfect but it is a massive improvement. The garden will still pool in heavy rain, but instead of days to clear it takes a couple of hours. There is no pooling around the area of the drain.
The dirt / soil will always stop on the outside of the fabric but if you place the fabric against the sides of the trench the number of sq. Inches of drain able area will be 100s maybe 1000s times larger than the area you will have if you wrap the pipe.......if you think about it wrapping the pipe will eventually, when the soil hits the fabric and blocks water flow, leave you with water only flowing through the fabric and then directly into the slits only.......wrapping the trench will allow water to flow into all the voids between the rock then freely flowing into the pipe slits with no restriction......wrapped trench = no pipe infiltration flow restriction......wrapped pipe = sever pipe infiltration flow restriction
Thank you so much for your explanations. Saying things like "soil separator" is important! I appreciate your helping me to do it right the first time!
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It makes sense! I have seen so many different videos about do’s and don’t and this one here definitely makes sense!
Thanks for sharing
th-cam.com/video/wPkMB7qlUSo/w-d-xo.htmlsi=_rULL9CL5JXczoHL
I have clay soil and used a sock around the corrugated drain, I dug it back up to install pavers and it did not clog at all
Thank you for sharing
@@FRENCHDRAINMAN I love you
Great video!
I'm installing a French drain that I have to drive my 30HP tractor over regularly. What sort of pipe and stone would you suggest? I'm leaning toward perforated double or triple wall HDPE rather than PCV because I'm in northern Ohio and get regular freezes.
i love you guys thanks so much chicago weather is pretty close i love the water has a place to go this system definitely moves water im on a slab and previous home owner buit a screen room it has a flipper style gutter that just hangs off and dumps water and with the snow melting and spring rain water goes under patio andunder slab into heat duct but i did what you recommended dug nice trench laid fabric and coverd with gravel NO MORE WATER COMING INTO HEATER DUCT.THE SOIL HAD SO MUCH WATER FROM WHAT I MENTIONED ABOVE THE SYSTEM YOU POSTED MOVES THE WATER THANK YOU GUYS SO MUCH!!!
th-cam.com/play/PLjFCqaZ4v1BUqichor2QH1X_p9bBPor8D.html&si=DkHIJ-xWPeAGJEaL
We do the same last 6 years. Basically you multiple the size of the geofabric by doing this so the surface of the material is bigger so the filter is larger.
🤔
I am getting ready to try and do a French drain. I want to make sure you said NOT to use Fabric Drainage Sock for Corrugated Pipe. 1) dig 2) lay Fabric 3) rock 4) overlap fabric 5) cover with dirt (of course be sure it is grade)
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Excellent method! Will work for decades if not longer.
Nice pipe. I follow a similar procedure, but encapsulate the pipe in 3/4" rock. The angle of descent, soil composition, and fabric choice keeps all water moving to the street or absorbing into the ground (nothing standing in the trough). My installation site is 20ft above sea level.
th-cam.com/play/PLjFCqaZ4v1BXWZPUFUNw6SMI64dtHlhzl.html&si=vb87Ma5ZukoV5FFu
You brilliant bugger- done your way following the video- street cred for the smashed thumb
👍
Good video great explanation. This is the same way I do my French drains except I use perforated PVC 4” pipe
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The title of the video is incorrect, even when based on the contents of the video. It is not a bad idea to wrap a drain pipe with drainage fabric. It is a bad idea to not wrap the whole trench with drainage fabric. It is a bad idea to ONLY wrap a drain pipe without wrapping the whole trench.
I bought drainage already wrapped in cloth. Can I use it wrapped, while also wrapping the trench in separate fabric?
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Thanks for sharing your expertise on installing a French drain. I went to your website and it would let me have access. My husband and I are interested in getting some of your supplies.
I did exactly what you proscribe (on my own intuition) have to pull it all up and line with plastic, 1 foot away from stone house foundation, now leaking more into foundation rocks falling etc
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Interesting how your install process has evolved in just one year. One yellow pipe back filled with stone to your quadpack blue pipe back filled with (not as much) stone.
@Steve
We have many patent pending designs stay tuned.
If Automotive companies stopped once the car could take you from point A to point B look where that would have left us.
As self employed entrepreneurs and mostly self taught we are wired to stay at the top by reinventing ourselves, products, services.
Thank you for commenting!
This is great info - I have been wondering why most videos and books say put rock under the pipe, because with rock at the bottom it has always seemed to me that the water is mostly going to remain outside (below) the drain pipe - and so the drain I am working on currently, has the drain at the bottom, then covered in rock.
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Something in not sure if you've considered... Pipe mass < rock mass. Over time the rocks will end up at the bottom & pipe will rise. How do you propose contacting that?
th-cam.com/play/PLjFCqaZ4v1BXWZPUFUNw6SMI64dtHlhzl.html&si=EJGpeC4pCJxVtNZ2
Thanks I was about to get a pipe with a sock for the same wrong reason you explained! 🙃
Helpful video! I made my French drain like you described but water doesn't get into the drain pipe! Am I using the wrong kind of fabric? Is there a difference between fabrics that are for soil separation vs landscape fabric meant to keep weeds from growing through? Something is wrong, but I can't tell why water is just pooling on top of the French drain trench!
There are hundreds of fabrics. Weed barriers are just that and do not work for drainage problems.
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If it's not working, you definitely used weed barrier instead of the perforated fabric that allows water flow. Go ahead and rip that fabric off the top and you'll see your drainage work as long as you had good slope of course... Happened to me and I learned the hard way lol...
Thanks for your videos! We got talked into buying limestone crushed rock but now I’m worried it will clog the drain. We have the non-woven fabric but now I’m thinking we also need the sleeve around the pipe so it doesn’t clog with crushed rock sediment. What do you think? The limestone is also pretty dirty 😞 I’ve been trying to wash it all before using it in the trench.
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I am a first time french drain DIYer and need advice. For a 18" deep french drain, what width ( 4',5' or 6') fabric do you recommend?
5ft fabric
Here's a video and fabric links
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Non-woven Geotextile Fabric in 4 oz and 8 oz
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FRENCH DRAIN MAN awesome vid! Should we use a soil separator in a leach field trench too? I thought I saw a leach field video without a separator but wanted to make sure that’s correct. Thanks !!
Good advice!!! It needs a layer of stones wrapping inside the draining fabric!!!
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Thank you for the video.
In my case, the water is accumulating only in a small pool that formed at the top of the slope. Do you think it would be better to use not perforated pipes?
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Question: Since there are 8 perforations around the diameter of the pipe, water, at any time, can both enter and exit the pipe. So a layman would assume that, until the water has nowhere else to go, it won't efficiently head towards the fall. Wouldn't there be water remaining in the french drain at a level equal to the lowest perforation?
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Best video from FDM!
What about for a interior basement French drain system?
How would you stone and wrap it?
High Octane Royal Blue 8 slot with the wide open inlets. Minerals over time plug inlets and a pipe with bigger inlets isn't prone to plugging from minerals in the groundwater. It would take a lot longer to plug the inlets.
Lmfao 😂😆😂😆 I have been seeing French drains installed for years and done a few myself as a plumber for side work and I actually have done it this way not my first time that was with a pipe with a sock over it but after I realized that they sold the barrier filter material in 100 ft rolls at my irrigation supply shop and I have been told by other irrigation people that I was doing it wrong but I continue to do it this way this makes me feel a lot better now I never understood the sock over the pipe and throw dirt in it when the soil is going to mix in with the rock and end up clogging the sock up anyway this way you have a large area of substrate or Rock that the water can flow into and then the tube can carry out mentally I always thought this was the best way because I had seen other people install it various other ways and none of them made sense
Simple and common sense, if you've ever dug up someone else's mistake.
I’m going to do an interior drain around the perimeter of my crawl space and run it to my sump pit, should it be done any different than this? Everyone else always seems to push putting rock in the bottom of the trench!
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A picture is worth a thousand words
Why not? I'm planning on wrapping perforated pipe and wrapping the ground 1st basically same idea right?
th-cam.com/play/PLjFCqaZ4v1BXWZPUFUNw6SMI64dtHlhzl.html&si=TwWB51xlt3MW7Usy
@FRENCHDRAINMAN i was thinking for a shed base! Using non woven Geo~textile 1st then top with crusher with mixed crushed stone 8in deep covering with a 2nd layer, adding the pipe then down the center and covering with¾ clean stone! The bottom 8 will be compacted and mixed with concrete mix to harden it up like concrete because it's swampy land. The next layer with 2nd layer gets the pipe without wrapping it so it can drain out from there! Out the back of the 4x6 downgrade! I'm installing a 12x20 shed over 14 X 22 base 2 4x6 doubled up in ground! I've done this other ways but in this soil I think this would work best! Any thoughts?
Can I run it through my gravel driveway and not crush it?
What about the miles and miles of corrugated farm tile that is put in every year with no fabric or stone backfill and doesn’t plug the slots in the pipe?
When you have miles of corrugated pipe over acres, the water flowing through these pipes is like a fire hose. It carries the dirt away.
@@FRENCHDRAINMAN That is 100 percent incorrect. The reality is most ground can be dewatered with tile with no stone or fabric. I am not saying not to use stone and fabric if you want to just that most tile is laid without it.
Excellent info. Thanks for sharing knowledge. I am working on replacing the pipe in my system over the wknd. I wish I lived in your area! I would ask you guys to repair mine. I live in another state. My plan is the use corrugated slotted pipe with gravel and fabric like you showed. I think in some areas I will have to transition to schedule 40 that has no slots. I have to drive over that particular area and I heard that 40 is strong enough to withstand it. I’m still 12 inches in the ground at this point. Any pointers on how deep should I install the schedule 40 and the corrugated to not crush it when I drive over that area? Thanks in advance. Any info would be helpful. Stay safe.
A pipe is always more protected when packed in stone. Dirt can be soft and sink causing bellies. I prefer to use 6 inch pipe in applications like you have described. It displaces so much area that even a little movement over time will not stop a 6 inch pipe from flowing water.
@@FRENCHDRAINMAN AWSOME!!!! Thank you for helping me. Looking forward to more of your videos!!!! 🏆
If your going 7.6 feet deep ( basement) how much gravel in feet hight inside burrito? So
How much gravel do you need before you put soil down, feet of soil recommend on top of gravel wrapped in your fabric burrito? Thank
6 ft of backfill in your situation
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@@FRENCHDRAINMAN thank you! 🏆🏆🏆🏆🌊
Thanks for the info. Just about to lay my first French drain
Why not do both?, soil separator AND a sleeve/sock with the #57. Eventually dirt/mud works it's way through that fabric.
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Hi do you not find the same problem with the fabric clogging on the outside of the gravel and pipe? We've just put french drains in clay soil and wrapped in non woven geo2but it's only been 2 months and the clay has blocked the outside of the terram and the water isn't getting in quick enough, how do you stop the clay clogging the outside? I cannot find any info online on this happening and what people have done!
much more work needed here. you will need a double separator. u will have to dig ~1 m each side of the french drain, first separator to block out the clay using geo material or synthetic or plastic for building, then fill up with intermediate nonpermeable, soil or use gravel or coarse river sand, then closer to pipe, use the separator again, then gravel around pipe. it will eventually bet blocked up, but a double separator will reduce the clay seapage into the next layer, and reduce it even further into the french drain
It's hard to do drainage in the clay. Do not back fill the drainage with the clay, use sand. This drainage should take only underground water. If you need to take surface water lets say you grass on backyard gets flooded then between the drainage and grass needs to be laced penetrating material as sand or soil.
You need to put sand on top of the fabric and a thin layer of sand on the bottom of the trench before installing fabric. Before you put the fabric in, it would also benefit you to watch this playlist:
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I’ve never seen yellow pipe! Is there any difference between black and yellow? And is there any cost difference?
Enjoy the vids. I’ve got standing water in yard after heavy rains. But how do I lay a new section of corrugated pipe and tie it in to an existing catch basin? Basin, altho small, appears to be a vertical concrete cylinder which drains “that” area, with just one outlet leading to street sewer. Replace the catch basin? With what? Thanks
You can cut the corrugated pipe anywhere you want and reroute with an attachment/extender/diverter, and an additional catch basin if you need to... so many ways.
Is that just landscape weed blocker material?
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I am so confused…. I live in the south where we have heavy clay. I did the burrito and it drains slowly, but pools up on the surface. Literally just installed it and the clay just saturated and turns into a thick slop. The drain is only about 25’, but 7 minutes to soak up the puddle = flood in a major storm. May just remove the soil and go with river rocks…
The video says we are in the north and the soil is very different.
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Would this work in Florida ( Central location ) ?
Or any recommendations on How To
Install in Florida Ground ?
Thanks ,,, and Thanks to any who
offer help , advice .
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Pretty good advice here. You get more surface area with your filter cloth to work if you wrap the whole system. By wrapping the pipe itself, as soon as the soil mixes in your clear stone isn't clear anymore! That never made any sense to me.
th-cam.com/play/PLjFCqaZ4v1BXWZPUFUNw6SMI64dtHlhzl.html&si=ORU3ZkuB09V2rvQu
1:11 I hope this finds you doing well. I am confused by your statement here. I might be understanding it all wrong.
You say you need a soil separator so that the stone and subsoil don't mix, but then you point at the trench wall's soil and say "and it will plug here" and follow by saying "what good is having a pipe that is not plugged if you can't get the water to it". So I am confused since you say it will plug at the trench wall's fabric, but then say that you wrap everything. Basically it will still plug. So that is my confusion.
I wonder about this because I I have clay type soil, so this is now worrying me more.
I used 4oz fabric to wrap around a 4inch perforated pipe that is surrounded (bottom as well) in stone (gravel 3/4). Creating a burrito, like you show but with a little gravel at the bottom. Not freezing here in the mid south.
Above the french drain I had to lay some solid corrugated pipe coming from a downspout, but still all this covered with top soil not the clay I removed to dig the trench. I wonder if this will work out or I messed up.
The other way would have been not using any fabric and just stone, but it is done already. I'd appreciate your clarification and then thoughts if you can and have some time. Thanks. Nice content and work.
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Is lava rock a bad choice? I have a bunch of unnecessary lava rock, and if I could use it that’d be great.
Very Bad. It crumbles over time.
@@FRENCHDRAINMAN thanks for the response!
Would you recommend putting the pipe on the bottom here in Texas? Or lay stone first?
You can lay the stone first if there are no trees around. Otherwise, the trees will come after the water that's held in the stone bed under the pipe, and fill it with roots.
@@FRENCHDRAINMAN I have a shed on 3 side by side slabs of cement. The center slab is lower than the 2 slabs on each side. I'm trying to divert the water from coming into the shed through the center slab. I've installed gutters and I ordered your Kit 10 to divert the water.
I'm removing the roots along the side of the center slab. I guess my question is, would a french drain be the best solution there?
I hope I've explained myself. Thanks
Would I still wrap it if I’m draining falling water from my roof, would I want holes on the bottom of the fabric for rising water too?
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Water does not move through this fabric all that fast. If it’s snug up against the pipe all the way around , you’ve essentially very limited your surface area of transmission.
So I agree with your reason, but I think this is another one
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How can water get through the gravel and out the drain pipe when the tiny pores of the fabric have been clogged? Won't this render your system non working?
th-cam.com/video/i45rRlFrMX8/w-d-xo.html
What kind of stone do you put over the pipe and what kind of black fabric do you use?
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I had some holes in the yard filled and the guys filled over the gravel of my French drains. Is this going to be a problem?
If standing surface water drainage is a problem you may need to add a surface drain or blind inlet.
Isn't there a good chance that the fabric wrapped around everything will eventually block up with soil and then water won't be able to migrate into the clean stone / pipe?
th-cam.com/video/vRDArxPmK88/w-d-xo.html
@@FRENCHDRAINMAN Good stuff - thanks!
a simpler explanations is: You want as much surface area for your filter/fabric as possible, Therefor wrap around the gravel.
Do you have to use fabric if you're leaving the trench filled with rock/gravel and having the gravel match the level of yard with no dirt on top? So, basically a French drain uncovered of grass and dirt, so it's visible in the yard.
Yes, soil will still come in from the other three sides. You want to lay the fabric in the trench and then the pipe just as shown in this video, then fill it up to about two inches from the top of the trench with gravel, then wrap the fabric around that, and top off with more gravel. The top gravel is mainly decorative so what I see a lot of people do is use decorative stones for that, such as what these guys sell decorativeaggregates.com/
@@Synthmilk I'm not disagreeing with your method but trying to understand how doing it this way the wrap stops the soil blocking the stone and pipe, but sleeving the pipe can block up.
Why can water pass through the membrane when its up against the soil with stone inside, but it cant just wrapped around the pipe still with soil to the outside after it leaches between the stone?
Hi - just about to install one (in the UK) - thanks for answering about the need to place the pipe right at the foot of the trench. How would you suggest I deal with a stepped foundation? The retaining walls I'm building are on a gentle slope which runs along the same line as the wall, so the footing/foundation steps down 110mm every meter or so. The pipe I'm using isn't flexible enough to follow these sudden drops, so do I have to compromise and have some gravel under the pipe to smooth out the steps?
What do y'all think about having a layer of plastic running along the bottom of the trench to prevent any water from seeping into the soil below the pipe?
Would also like to know
No plastic
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No plastic. If water seeps into the soil beneath the pipe, that's a good thing
If you use the corregated pipe, instead of the pvc, do you still have to create your own slope for a flat property?
If there's no slope, the water will just sit in the ditch. Corrugated has nothing to do with water flow unless it gets clogged.
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You need slope for water to flow to its' intended destination. 1.5 degrees of slope minimum.
so, the real key is to make sure you have fabric between the soil and the stone/rock. Having a wrapped pipe is not a problem, as long as you still have a permeable barrier between your soil and your rocks
th-cam.com/video/0ryOYWqsjFY/w-d-xo.html
As a professional I see french drain experts always try to sell french drains because that is what they do and what they have equipment for.. Sometimes the correct answer is to do a little landscaping to just gently change the slope of a yard. It really really depends on the source of the water and the outlet. Sometimes basins and smooth wall and not perforated pipe should be used. Just saying fabric and slitted plastic tile is not always the answer.
The biggest lesson I've learned in 38 years is to pipe the water out of there. Chasing water is just relocating the problem. You can chase water around until you're blue in the face. Now, do you need to re grade once in a while? Absolutely, you do.
@@FRENCHDRAINMAN I do not disagree in the least with that. Just saying each case can be unique. I also have worked with sewer and farm field drainage. I have seen lots of surface water problems. Buffer zones and filter strips on the surface also work on combination of a surface water collector. Like I say sometimes the fix is easy if it's surface water and not saturated ground. Gasketed pipe like sewer pipe and Smooth wall pipe is more expensive than slitted tile. But I seldom see it used where it should be. Also non slitted tile is also important. I have had to repair so many French drains and roof drains because of roots. Lazy contractors used slitted tile by the trees and shrubs and roots plugged em up. Just something interesting for those who might read the comments. On a farm drainage project , on a normal day a crew of 3 can install 55,000 - 60,000 ft of 4" tile when conditions are so that it can be knifed in with a tile plow.
Question: What happens when you don't have 1"-1.5" river rock available? I have 3/4 crushed river rock available to purchase only.
Then run a Quad Pack
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Can you recommend a contractor in the St. Louis area. tks
You would have to call our office and ask them if we have a contractor purchasing materials in your area. The office number is 2485053065.
I always put stone down first then fabric then pipe then stone again then I wrap together then stone on top then top soil then grass.
Does it work well for many years? Because he's saying the rocks outside the fabric locks up with the soil and slows/prevents drainage. Also depends on type of soil and average temperature, so there's no wrong answer.
How will it even drain with so many holes?
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Is there a link to the type of fabric you use. All I have found is landscape fabric
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very useful idea! thank you!
What do you do if you are going near a tree to stop the roots from getting into the drain?
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In general, how deep do you dig your trench?
MAKES PERFECT SENSE.
Doesn’t the soil separator get clogged with dirt?
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Let me correct the missleading title, " dont wrap JUST the drainage pipe, wrap EVERYTHING!!! " There much better 😊
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This is about the 100th video I've watched about clay and fabric and I'm still confused. I'm thinking about just doing it with rock alone. A filter is a filter... wether it is a fabric filter or a rock filter, wether it is non-woven or not. If it's filtering the clay, where does that filtered clay go??? and they all eventually clog. Seems like a fabric filter would clog much faster than rock... I'm leaning on using 6" smooth perforated PVC pipe with 90 degree sweep elbow clean outs on each end, (round grates on top) and just run a pressure washer drain snake attachment through it every couple of years. Surround the pipe with about 1" diameter rock. The smooth pipe bottom should help it clean easier?? Seems like the rock might tend to clog from the top anyway, and not the sides or bottom, due to gravity... I'd rather deal with that down the road than pulling the whole thing due to clogged fabric.
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Very informative thank you but I wish you would have shown the final job
Can you wrap the pipe as well as the trench?
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I see the pre wrapped drain pipe in stores. Is there an application where you would use it ? Why is it pre wrapped when your philosophy here is different ? I'm a little confused as to this.
I found your other video on this...
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So the Fabric its so water dont Freeze during winter??
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Would this also apply to footer tile against foundation wall?
Yes
What is Lifespan of fabric drainage?
th-cam.com/play/PLjFCqaZ4v1BUmAXw5xwQ0zbQRPxnX0U7R.html&si=pqPqwN4E9ti5j9X5
What about using astm c33 concrete sand around the drain and no filter fabric? Have you have encountered that?
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Thanks for the helpful advice!
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So no stone under the pipe?
ARE THE SLOTS ON THE BOTTOM TOO? CAN'T TELL FROM PIPE
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Can you tell me where to get this pipe and fabric you use
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Any major hardware supplier; Home Depot, Lowes,...etc...
Are you located in Edmonton Alberta?
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Great tips thank you
What fabric do you recommend?
Non-woven Geotextile Fabric in 4 oz and 8 oz
frenchdrainman.com/filter-fabric/
What fabric do you use for soil separation?
Store | French Drain Systems | Curtain Drains | Macomb, Oakland, Lapeer, St. Clair County
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Commonly called "landscape fabric". Available from any building supply or garden centers.