- Pipe is flexible and expandable to bend easily around obstacles
- Soil-tight fittings lock securely with a simple snap
- Constructed with no-break copolymers for durability
- See More Details
Frequently Bought Together
Price:
$1999
Product Overview
FLEX-Drain helps you get the job done faster and easier, with professional grade durability and more versatility than traditional corrugated pipe. Flexible and expandable, FLEX-Drain easily bends around any obstacle, hold its shape during installation and with a simple snap, its integrated soil-tight fittings lock securely and stay connected during backfilling. The FLEX-Drain 4 in. x 25 ft. Solid Polypropylene Pipe is ideal for channeling water from 1 point to another. This solid, expandable pipe will only let water seep in or out at pipe ends. FLEX-Drain is a complete drainage solution system that's widely compatible with virtually all traditional 3 in. and 4 in. corrugated pipe and 4 in. PVC. Technologically superior, it's made with no-break copolymers and exceeds all applicable ASTM crush standards.
- Solid polypropylene construction for durability; proprietary peak and valley design offers greater surface area and a 30% higher load-bearing rating than standard corrugated pipe
- Expands from 6 in. to 25 ft.
- Easy to transport and install
- Adapts to fit 3 in. and 4 in. corrugated pipe and 4 in. PVC pipe (not included)
- Use to divert water away from downspouts and for other applications that involve diverting water from 1 point to another
- Perfect for DWV and underground applications
- Helps reduce the number of fittings needed to complete jobs
- Only allows water to seep in or out at pipe ends
- Unnecessary to tape joints
- Exceeds ASTM standards
Info & Guides
Product Overview
- Pipe is flexible and expandable to bend easily around obstacles
- Soil-tight fittings lock securely with a simple snap
- Constructed with no-break copolymers for durability
Compare Similar Corrugated Pipes
 | |  |  | |
| Brand | FLEX-Drain | FLEX-Drain | Advanced Drainage Systems | FLEX-Drain |
| Name | 4 in. x 12 ft. Polypropylene Perforated Pipe | 4 in. x 25 ft. Solid Polypropylene Pipe | 4 in. x 50 ft. Corrugated Pipes Drain Pipe Perforated | 4 in. x 25 ft. Polypropylene Perforated Pipe with Sock |
| Price | $1278 | $1999 | $2294 | $2417 |
| Ratings | (157) | (456) | (374) | (82) |
| Nominal Inside Pipe Diameter (In.) | 4" | 4" | 4" | 4" |
| Product Length (ft.) | 12 | 25 | 50 | 25 |
| Corrugated Pipe Features | Perforated | No Additional Features | No Additional Features | Perforated |
| Material | Polypropylene | Polypropylene | HDPE (High Density Polyethylene) | Polypropylene |
| View Product | View Product | View Product | View Product |
Compare Similar Corrugated Pipes
| | | | |
| Brand | FLEX-Drain | FLEX-Drain | Advanced Drainage Systems | FLEX-Drain |
| Name | 4 in. x 12 ft. Polypropylene Perforated Pipe | 4 in. x 25 ft. Solid Polypropylene Pipe | 4 in. x 50 ft. Corrugated Pipes Drain Pipe Perforated | 4 in. x 25 ft. Polypropylene Perforated Pipe with Sock |
| Price | $1278 | $1999 | $2294 | $2417 |
| Ratings | (157) | (456) | (374) | (82) |
| Nominal Inside Pipe Diameter (In.) | ||||
| Product Length (ft.) | ||||
| Corrugated Pipe Features | ||||
| Material | ||||
| View Product | View Product | View Product | View Product |
Specifications
Dimensions
Nominal Inside Pipe Diameter (In.)
4"
Product Length (ft.)
25
Details
Color Family
Black
Color/Finish
Black
Corrugated Pipe Features
No Additional Features
Material
Polypropylene
Maximum Working Temperature (F)
150
Minimum working temperature (F)
-50
Pack Size
1
Pipe or Fitting Product Type
Pipe & Tubing
Product Weight (lb.)
4.7
Returnable
180-Day
Warranty / Certifications
Manufacturer Warranty
Limited Manufacturers Warranty - Free from defects in materials and workmanship
Questions & Answers
43Questions24Answers
Do you think this is the best. PRODUCT for a French drain
Asked by shouldawoulda February 14, 20213
AnswersNo, this is solid Polypropylene pipe, good for diverting water, etc. They make a perferated pipe with a sock. Allows standing water to seep into the pipe and out the end. I used this around some of my house foundation. Trench about 8 to 10 inches deep, sloping downward approximately 1/2" per 10 feet drop away from the high point. Place about an inch of gravel in bottom of trench, lay in pipe, cover with more gravel, back fill the dirt on top. The gravel allows the water to seep into the trench better. Keep in mind the if there is any foot traffic, etc. May want the trench deeper to prevent crushing. Good luck!
Does this come in 15 ft sections?
Asked by shouldawoulda December 13, 20201
AnswerNo it does not.
Do you have to bury this or can it stay on top of the ground?
Asked by seginns August 26, 20204
AnswersI received this product near Christmas time and I have done both. we'll know in a few months if it will stand up to Arizona summer sun laying on the ground.
Can this be used as an AC exhaust pipe?
Asked by bryanna August 15, 20203
AnswersNo
Is at least one end sized to properly snap onto a standard downspout to 4" adapter like https://w...
Asked by fixer August 11, 20202
AnswersYou can purchase an adapter, check with your local Home Depot Store.
Can I pour concrete over this?
Asked by Jose May 26, 20201
AnswerYes after it is installed correctly.
does this product come in any other color? do you know if any other drain pipe comes in any other...
Asked by iris May 13, 20202
AnswersHonestly, I do not know. You may need to do some further research online, sorry.
Is this product flexible or will I need elbows?
Asked by Gabe May 2, 20202
AnswersYes, I have mine in the shape of an elbow. It has been in place two years with no issue.
Can this be connected to a standard corrugated 4-in. pipe that is not part of the FLEX-Drain line...
Asked by piopanieri April 13, 20202
AnswersYes, check with your local Home Depot store.
Can this be use as A dryer vent hose
Asked by Ironworker47946 April 12, 20204
AnswersI don't think that it would be a good option to use for your application.
Customer Reviews
Nov 12, 2019
This is an excellent toy for young children, as they can extend it and use it to play with toy ca...
This is an excellent toy for young children, as they can extend it and use it to play with toy cars to shoot them down the staircase. Also, they like to yell into one end, while another child hears out the other.
by Keith
Oct 30, 2019
This worked perfectly for my need to extend my downspouts away the house. It cuts easily, bends...
This worked perfectly for my need to extend my downspouts away the house. It cuts easily, bends, extends & collapses for easy summer storage. I've purchased 2 more since my original purchase.
by ETCHMAN
Jul 3, 2018
I needed to divert water from a downspout with additional product, going on the drive way to wate...
I needed to divert water from a downspout with additional product, going on the drive way to water some bushes. works good when raining. Save water and money by changing the flow of the water with the Flex-Drain.
by shouldawoulda
Jul 11, 2017
This is a light duty water transfer pipe. I had a rainwater collection project to fill my pond an...
This is a light duty water transfer pipe. I had a rainwater collection project to fill my pond and needed some thing cost effective to connect into a main line. This pipe fit the bill. I saved about 50 -70% of the price on a heavier duty pipe cost. Just remember this pipe is not meant to have any heavy traffic on it, You really want to install it in a no traffic area. I ran it down the side of house. It was super easy to install just stretch it out dig your trench and cover. This type of will bend and over around tighter curves much easier than the heavier stuff making it a lot faster to install. I had a about 2 inches of rain the next day and the pipe performed as expected with no leaks.
by EVroom1
May 28, 2017
Just What I needed
The downspout from my roof gutter runs under the lawn and dumps off a bluff above the creek. This was a wet winter and the bluff has been terribly eroded. I plan to attach this pipe to the PVC and run it down the hill. One of the benefits of this pipe is that the ends are different sizes. One end screws nicely onto 4" corrugated pipe. The PVC is 3 inches, thus an adapter will have to be glued on to connect this pipe. The expanding nature of this pipe provides easy shipping and easy transport when bringing it home in the car. Being flexible it will conform to the contours of the bluff.
by Prosecutor
Mar 28, 2017
There was a lot of water collecting around my house when it rained so I bought two of these so wa...
There was a lot of water collecting around my house when it rained so I bought two of these so water would drain a good distance from my house. It was raining tonight so I went out to see how they were working. Went to the end of the tube and noticed it was still dry inside. Went back to where it connected to the gutter downspout and noticed water had collected there again. Looking closely at the product, I noticed water was leaking out little holes that extend the whole length of the flex-drain pipe. There are four holes that go around each 'ring'.
by JD
Jan 4, 2016
Does the Job
During the crazy Portland flooding, my dry well started backing up and water went directly in to the window well. Had a short piece of piping leftover from last year that wasn't long enough, attached the 25 ft to the shorter pipe and got the water away from the house. Not the prettiest sight, but it has held up over the last month and will probably be used for another month or two.
by Krissy
Nov 25, 2015
Perfect Timing
We have a deck and yard project and needed to move all the water from the house gutters to the back pond. We used this pipe underground with extensions off the soon-to-be-deck for further collection in to a system that moves it out past the property line.
All the water from the gutters are funneled into three water tanks and when they fill, the overflow goes into this pipe and travels under the new retaining wall. I don't have pics of the progress, but this is what the final result is. Now for the deck!
by painters1953
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