Flexible Couplings. Flexible Couplings connect sewer, drain, waste and vent piping. Flexible Pipe Couplings are manufactured from black PVC with bactericides and fungicides for protection. Clamps are stainless steel. View Products.https://www.frenchdrainman.comWelcome to the French Drain Man Channel, where we are here to educate the homeowner so they can make a great decision for a qua...The NDS French Drain is a prefabricated trench drain that is a gravel free option to a traditional French drain. It cuts installation time in half by eliminating the need to transport, shovel and move heavy gravel.Includes 1 french drain (with pipe (center)). Black.Dimension(s): 10' L. Diameter: 10"; inner diameter: 4".Part of NDS EZflow Series. xnxx indonesia 20222 30 pacific time Channel drains, also known as trench drains, are long, narrow drains used for surface drainage of flat areas such as hardscapes. 68 products in NDS | Outdoor Drainage NDS Catch basin Adapter ADS Bend-A-Drain Coupling Sort & Filter (1) Brand: NDS Clear All NDS 4-in x 10-ft 5-PSI Corrugated French Drain Pipe Model # EZ-0802F Find My Store for pricing and availability 133 NDS Spee-D Channel Drains and Grates 10-ft L x 5-3/4-in W x 5-3/4-in dia Channel Drain KitThe NDS French Drain is a prefabricated trench drain that is a gravel free option to a traditional French drain. It cuts installation time in half by eliminating the need to transport, shovel and move heavy gravel.Includes 4 french drain (with pipe (bottom)). Black.Dimension(s): 10' L. Diameter: 15"; inner diameter: 6".Part of NDS EZflow Series.NDS gravel-free EZ Flow products are designed as a substitution for traditional gravel french drain installations. They consist of fabric, lightweight gravel substitute, and pipe all in one package. NDS French Drain Systems Need Help? 888-825-4716 French Drain Systems by NDS NDS French Drain systems manage surface water and protect property. Only NDS offers an engineered, gravel-free solution to traditional french drain systems, saving time and money. French Drains Product & Supplies EZ-Flow French Drain EZ-Drain French Drain firestone tire center near melankybox tour NDS gravel-free EZ Flow products are designed as a substitution for traditional gravel french drain installations. They consist of fabric, lightweight gravel substitute, and pipe all in one package. Grate has 39.5 sq. in. open surface area, 121 GPM flow rate. The stormwater catch basin with grate is rated for NDS Class B loads when properly installed and ADA compliant. ... Use with a Flo-Well Dry Well System and EZ Drain Gravel-Free French Drain System to detain excess water and slowly release it into the ground;NDS EZflow French Drain System 6,124 views 15 Dislike Ewing Irrigation & Landscape Supply 28.7K subscribers Constructing a French drain is made easier with the EZflow system from NDS....Jun 20, 2015 · The NDS EZ Flow French Drainage tile is one of those! Simple really, NDS took a 3” perforated corrugated drain tile and wrapped it in a 7” layer of light weight aggregate. It’s all held together by a filter fabric. Bottom line: no need for gravel to install a drainage line! Check it out online at ndspro.com. Traditional French Drain cambridge brown wicker outdoor patio swivel rocking chair The NDS French Drain is a prefabricated trench drain that is a gravel free option to a traditional French drain. It cuts installation time in half by eliminating the need to transport, shovel and move heavy gravel.Includes 4 french drain (with pipe (bottom)). Black.Dimension(s): 10' L. Diameter: 15"; inner diameter: 6".Part of NDS EZflow Series.NDS EZflow French Drain System 6,124 views 15 Dislike Ewing Irrigation & Landscape Supply 28.7K subscribers Constructing a French drain is made easier with the EZflow system from NDS.... est to sydney timebest delivery mexican near me NDS Pop-Up drainage emitters act as the discharge point of a drainage system, allowing water to flow freely from the pipe and away from structural foundations. It allows water to be diverted to water-safe areas away from structures and poor drainage areas.Includes 1 emitter (with Elbow). Green.Dimension(s): 7-1/2" H. Diameter: 5-15/16"; inner diameter: 3 …The 12" Square Catch Basin Grate (Cast Iron) is part of the NDS drainage system. 12" Square Catch Basin Grate (Cast Iron) is a 12 in. by 12 in. used to cover Catch Basins, which are quintessential for yard and area drains to collect surface water while minimizing the amount of debris entering the system. Designed for 12" Catch Basins. how does elena become human again NDS gravel-free EZ Flow products are designed as a substitution for traditional gravel french drain installations. They consist of fabric, lightweight gravel substitute, and pipe all in one package. georgia tech football ajc EZ-Drain is a lightweight, gravel-free, and easy to install alternative to traditional french drain systems.For more information on the NDS EZ-Drain, please ...NDS FILCOTEN® Trench Drains; NDS French Drain Systems. EZ-Flow French Drain; EZ-Drain French Drain; Catch Basins. Square Catch Basins; Round Spee-D Catch Basins; Catch Basin Universal Outlets & Drain Adapters; Catch Basin Grates; Dry Well Drainage Systems and Kits; Grates. Catch Basin Drain Grates; Channel Drain Grates; Pipe Grates and Covers ... This NDS French Drain is a commercial-grade prefabricated trench drain that is a gravel free option to a traditional French drain. It cuts installation time in half by eliminating the need to transport, shovel and move heavy gravel. It is made of 4-inch slotted corrugated pipe, surrounded by NDS poly-rock, and wrapped in a geotextile fabric. 4" x 10' EZ-Drain: Prefabricated French Drain with Fabric Sock Model Number: EZ-0802F Menards ® SKU: 6893990 Final Price: $70.31 ... Brand Name: NDS Drainage Products Features 50% savings in labor; Use for retaining walls, foundations and french drains; Gravel free; Durable and ...The NDS French drain has been designed to take water out of the soil and pipe it to a safe discharge point like an NDS flo-well or pop-up emitter 15 inch mesh, 45.8 gal/10 ft bundle storage volume Advanced Lightweight Installation - Up to 50% labor savings RETAIL PRICE $420.22 / Piece ($42.022/ft) Log in to see your price national bae day 2022 NDS® Commercial Solutions. NDS provides a diverse range of stormwater management solutions that capture, convey and retain stormwater throughout a wide variety of commercial applications. With our specially engineered solutions, you can minimize installation time while maximizing stormwater capacity.Buy Super Geotextile 4, 6, 8 oz Non Woven Fabric for Landscaping, French Drains, Underlayment, Erosion Control, Construction Projects - 8 oz (3x50): ... NDS 1200DSG Square Catch Basin Drain Downspout Grate, Fits 12 Inch Square Catch Basin Drain, Riser, or Low-Profile Adapter, ...15K views 1 year ago. In this video I will show you how to Install a NDS EZ-Drain, French Drain System. I will walk you through all the steps from figuring out the slope of your yard to …The NDS French drain has been designed to take water out of the soil and pipe it to a safe discharge point like an NDS flo-well or pop-up emitter 15 inch mesh, 45.8 gal/10 ft bundle storage volume Advanced Lightweight Installation - Up to 50% labor savings RETAIL PRICE $420.22 / Piece ($42.022/ft) Log in to see your price NDS French Drain Systems. EZ-Flow French Drain; EZ-Drain French Drain; Catch Basins. Square Catch Basins; Round Spee-D Catch Basins; Catch Basin Universal Outlets & …The NDS French Drain is a prefabricated trench drain that is a gravel free option to a traditional French drain. It cuts installation time in half by eliminating the need to transport, shovel and move heavy gravel. It is made of 3 or 4 slotted corrugated pipe, surrounded by NDS poly-rock, and wrapped in a geotextile fabric.The NDS French Drain is a prefabricated trench drain that is a gravel free option to a traditional French drain. It cuts installation time in half by eliminating the need to transport, shovel and move heavy …Dry out saturated, wet, and spongy soil with EZ Drain Gravel-Free French Drain System, an underground drainage solution that captures and redirects high groundwater around your house and yard. Unlike traditional French drain pipe and gravel systems which require backbreaking work of hauling and shoveling large amounts of rock and gravel to fill the … i have hidden your word in my heart esvwhere can i buy a full size box spring Whether you need a dry well, French drain or infiltration trench, NDS has you covered with innovative and proven subsurface drainage and stormwater infiltration products. EZflow® French drain system, NDS® StormChamber® and Flo-Well® dry well provide trusted performance for multiple applications and are lightweight and easy to install.French Drain Fakes?!! How to Tell if You Have a French Drain [ Buyer Beware!! ]FDM's Online Yard Drain Supplies: https://www.frenchdrainman.com/store=====...571. Yes64 items. No5 items. Yes13 items. No53 items. 2' SS Dura Slope Trench Drain Grate. 5" Pro Series Channel Grate, Heavy Traffic. 2' Spee-D Channel Drain Grate, Gray. Connect with NDS.This is the EZ-Drain by NDS, and it’s only seven inches. That’s it. That’s all it is seven inches. It’s all its measures. Keep in mind there is a four-inch pipe in here, so there are only three- inches of aggregate. That is it. We recommend a 14-inch by 14-inch channel of stone.This is the EZ-Drain by NDS, and it’s only seven inches. That’s it. That’s all it is seven inches. It’s all its measures. Keep in mind there is a four-inch pipe in here, so there are only three- inches of aggregate. That is it. We recommend a 14-inch by 14-inch channel of stone. NDS Pro Series Channel Drains; NDS Dura Slope Trench Drains; NDS FILCOTEN® Trench Drains; NDS French Drain Systems. EZ-Flow French Drain; EZ-Drain French Drain; Catch Basins. Square Catch Basins; Round Spee-D Catch Basins; Catch Basin Universal Outlets & Drain Adapters; Catch Basin Grates; Dry Well Drainage Systems and Kits; …NDS offers the broadest line of durable and easy to install Channel and Trench drain systems from 1” to 12” widths, available in a wide variety of materials to meet the load and volume requirements of any job. Micro Channel™ Drain Micro Channel™ Drain Micro Channel is lightweight and easy to install.Proper connection from 5” NDS CHANNEL DRAIN to 4” Corrugated Pipe. A good How to Video showing the connection and discharge.NEWOffice in RALEIGH / DURHAM NO... alley.kat only fans NDS French drain Outdoor Drainage at Lowes.com Lawn & Garden /Outdoor Drainage 2 products in NDS | French drain | Outdoor Drainage NDS Catch basin Adapter Coupling Sort & Filter (2) Type: French drain Brand: NDS Clear All NDS 4-in x 10-ft 5-PSI Corrugated French Drain Pipe Model # EZ-0802F Find My Store for pricing and availability 132 NDS EZ-Drain is an all-in-one, easy to install substitute for a traditional French Drain. One 10' EZ-Drain stick consists of a corrugated slotted 4" pipe surrounded by a polystyrene aggregate, all wrapped in a durable filter fabric. It's lighter, simpler, and faster to install. Dec 22, 2015 · Your pipe should be pitched downward slightly, maybe 1 or 2 percent, and needs to drain to daylight, well away from the house. If you are planning to run the pipe into a sump pump, then you can run the pipe flat. As to the styrofoam peanut pipe, I have never seen it or used it, not sure how it would work. See more. https:://www.frenchdrainman.com/EZ-Drain versus an all stone French drain. I'm going to do a quick review on that so that people know what to expect out of t...Hover Image to Zoom. 4 in. x 10 ft. EZ-Drain Prefabricated French Drain with Pipe. by. NDS. (199) Questions & Answers (156) Capture and redirect groundwater around house and yard. Easy install, gravel-free drainage system saves labor by 50%. 30% higher flow rate than gravel French Drains. View Full Product Details. bronco headlights $19.97 Designed for separating gravel and soil backfill Helps keep gravel porous and soil intact Ideal for use with sewage/septic systems, French drains and more View More Details Unavailable at South Loop Delivering to 60607 Pickup Nearby Tomorrow In stock 3.3 mi away FREE Delivery Tomorrow 23 available Delivery Details Get it as soon as tomorrow.EZflow® Gravel-Free French Drain Part No. Description Color Bundle Size/ Linear Feet Wt. per Bundle (lbs.) Product Class Specifications EZ-0701F 7" mesh with 3" slotted pipe (center) Black 90 32.4 11RP 10 ft. polyethylene slotted drain pipe surrounded by 100% recycled polystyrene aggregate and enclosed in 30-sieve polyethylene geotextile mesh.Jun 20, 2015 · Traditional French Drain The old way to make a French Drain is to dig a trench, lay in the drain tile, fill with gravel, then dress off the trench. By the time you’ve hauled the gravel you are exhausted and you have destroyed a yard with equipment or wheel barrows. The NDS EZ Flo Way why does japan not allow dual citizenship Expand Your Business. Finding new ways to generate revenue helps your business prosper, giving you another avenue to increase profits and add more leads to your pipeline. A drainage job can add thousands of dollars per project. Get Certified. Expand Your Business. Recurring Revenue. Low Startup Costs. Built-In Support.Expand Your Business. Finding new ways to generate revenue helps your business prosper, giving you another avenue to increase profits and add more leads to your pipeline. A drainage job can add thousands of dollars per project. Get Certified. Expand Your Business. Recurring Revenue. Low Startup Costs. Built-In Support.What are the differences between EZflow and EZ-Drain. The performance of each bead should be similar; the Transmissivity (flow through the system) will be similar, which will be one or two orders of magnitude greater than the native soils. EZDrain bead is smaller due to manufacturing considerations. EZ-Drain is available in smaller diameter ...The NDS French Drain is a prefabricated trench drain that is a gravel free option to a traditional French drain. It cuts installation time in half by eliminating the need to transport, shovel and move heavy gravel. It is made of 3 or 4 slotted corrugated pipe, surrounded by NDS poly-rock, and wrapped in a geotextile fabric. NDS Pro Series Channel Drains; NDS Dura Slope Trench Drains; NDS FILCOTEN® Trench Drains; NDS French Drain Systems. EZ-Flow French Drain; EZ-Drain French Drain; Catch Basins. Square Catch Basins; Round Spee-D Catch Basins; Catch Basin Universal Outlets & Drain Adapters; Catch Basin Grates; Dry Well Drainage Systems and Kits; … invstopediaamerican deli pickup Channel drains, also known as trench drains, are long, narrow drains used for surface drainage of flat areas such as hardscapes. $79.00 Buy 10 or more $67.15 Pay $54.00 after $25 OFF your total qualifying purchase upon opening a new card. Apply for a Home Depot Consumer Card Capture and redirect groundwater around house and yard Easy install, gravel-free drainage system saves labor by 50% 30% higher flow rate than gravel French Drains View More Details Cumberland StoreNDS EZ Drain Gravel-Free French Drain System with 4 in. Slotted Pipe & Engineered Aggregate, 8 in. dia. X 5 ft. long bundle by NDS Write a review How … my tri c space login Buy NDS Pro Series Drain Kit 5-1/2 in. X 39-3/8 in. Deep Profile Channel, Gray Plastic Grates, End Caps/Outlet, 5: ... No Deep Dig French Drain, Flexible Pipe ... The NDS EZ Flow French Drainage tile is one of those! Simple really, NDS took a 3” perforated corrugated drain tile and wrapped it in a 7” layer of light weight aggregate. It’s all held together by a filter fabric. Bottom line: no need for gravel to install a drainage line! Check it out online at ndspro.com. Traditional French DrainNDS DesignWorx™ Team is there to help with preparation of submittal drawings and specs. SUBMIT A DESIGN Or call us at 888-825-4716. actress in how to get away with murder The Pop-Up Emitter with Elbow connects to 3 in. sewer and drain pipe and 3 in. triple-wall pipe. As water pressure builds, the cap "pops up" as high as 1 in., disperses water at up to 56 GPM, and closes once the flow diminishes. Cap stays closed when not in use to prevent debris and rodents from entering and potentially clogging the drainage ...1. Catch basins drain excess water from areas around your home to help prevent damage to your property. 2. Channel drains are installed into areas that can become flooded, like driveways and patios, to help redirect water to drainpipes. 3. Drainage grates are used to cap drainpipes, keeping debris out and helping to prevent clogged drains. 4.http://www.frenchdrainman.comI got a phone call to the office. The homeowner said that there was a drain put in by a contractor, it wasn't us and it had floa...Buy Super Geotextile 4, 6, 8 oz Non Woven Fabric for Landscaping, French Drains, Underlayment, Erosion Control, Construction Projects - 8 oz (3x50): ... NDS 1200DSG Square Catch Basin Drain Downspout Grate, Fits 12 Inch Square Catch Basin Drain, Riser, or Low-Profile Adapter, ... local driving jobs san antonio txgas fireplace insert lowe's May 26, 2021 · 2.1K subscribers Subscribe 155 Share 15K views 1 year ago In this video I will show you how to Install a NDS EZ-Drain, French Drain System. I will walk you through all the steps from figuring out... Grate has 39.5 sq. in. open surface area, 121 GPM flow rate. The stormwater catch basin with grate is rated for NDS Class B loads when properly installed and ADA compliant. ... Use with a Flo-Well Dry Well System and EZ Drain Gravel-Free French Drain System to detain excess water and slowly release it into the ground; whosampled Tips on How to Install a DIY NDS EZ Drain for a Successful Yard Drainage System FRENCH DRAIN MAN 58.8K subscribers Subscribe 461 131K views 4 years ago http://www.frenchdrainman.com EZ...The NDS French Drain is a prefabricated trench drain that is a gravel free option to a traditional French drain. It cuts installation time in half by eliminating the need to transport, shovel and move heavy gravel. It is made of 3 or 4 slotted corrugated pipe, surrounded by NDS poly-rock, and wrapped in a geotextile fabric. Description. NDS has a comprehensive line of sewer and drain fittings include valves, couplings, and connectors in PVC and styrene. Diverter & Backwater Valves are manufactured from PVC or ABS, our Diverter & Backwater Valves are durable and easy to install and replace. Controls flow to up to three septic tank leach fields.The 12" Square Catch Basin Grate (Cast Iron) is part of the NDS drainage system. 12" Square Catch Basin Grate (Cast Iron) is a 12 in. by 12 in. used to cover Catch Basins, which are quintessential for yard and area drains to collect surface water while minimizing the amount of debris entering the system. Designed for 12" Catch Basins.This is the EZ-Drain by NDS, and it’s only seven inches. That’s it. That’s all it is seven inches. It’s all its measures. Keep in mind there is a four-inch pipe in here, so there are only three- inches of aggregate. That is it. We recommend a 14-inch by 14-inch channel of stone.This is the EZ-Drain by NDS, and it’s only seven inches. That’s it. That’s all it is seven inches. It’s all its measures. Keep in mind there is a four-inch pipe in here, so there are only three- inches of aggregate. That is it. We recommend a 14-inch by 14-inch channel of stone. tikal tires jupiter fl Proper connection from 5” NDS CHANNEL DRAIN to 4” Corrugated Pipe. A good How to Video showing the connection and discharge.NEWOffice in RALEIGH / DURHAM NO...EZ Flow Drain pipe is 4" perforated pipe surrounded by Styrofoam peanuts and wrapped in fabric. It works the same a s gravel and perforated pipe, Easy to use... how long till 9 pm Grates can be screwed to the channel using Stainless Steel Screws, Phillips Head #8 x 1” screws (4 per grate, screws sold separately) Fits: NDS 5” Pro Series Channel, Part# 820 ( takes 1 grate) and Part# 800 ( takes 2 grates) Product Class: 25IN. 71.95 GPM Capacity Per Foot. Load Rating: Class B (61-175 PSI) Shop the entire line of NDS 5 ...4 in. x 10 ft. EZ-Drain Prefabricated French Drain with Pipe. by. NDS. (199) Questions & Answers (156) Capture and redirect groundwater around house and yard. Easy install, gravel-free drainage system saves labor by 50%. 30% higher flow rate than gravel French Drains. View Full Product Details.NDS Round Spee-D® Catch Basins. Ideal for residential areas with small capacity needs under downspouts and. landscape areas. Use with 6” Pop-Up Emitters to provide a point of discharge or. overflow in a drainage system. Outlet and multiple grate options available. 6” Round Spee-D Basin. Multiple outlet options available.NDS Pro Series Channel Drains; NDS Dura Slope Trench Drains; NDS FILCOTEN® Trench Drains; NDS French Drain Systems. EZ-Flow French Drain; EZ-Drain French Drain; Catch Basins. Square Catch Basins; Round Spee-D Catch Basins; Catch Basin Universal Outlets & Drain Adapters; Catch Basin Grates; Dry Well Drainage Systems and Kits; …2.1K subscribers Subscribe 155 Share 15K views 1 year ago In this video I will show you how to Install a NDS EZ-Drain, French Drain System. I will walk you through all the steps from figuring out... blackout curtain toppers The NDS French Drain is a prefabricated trench drain that is a gravel free option to a traditional French drain. It cuts installation time in half by eliminating the need to transport, shovel and move heavy gravel. It is made of 3 or 4 slotted corrugated pipe, surrounded by NDS poly-rock, and wrapped in a geotextile fabric. NDS gravel-free EZ Flow products are designed as a substitution for traditional gravel french drain installations. They consist of fabric, lightweight gravel substitute, and pipe all in one package. NDS EZ-Drain vs a Gravel French Drain. Welcome to the French Drain Man Channel, where we are here to educate the homeowner so they can make a great decision for a quality yard drain system. This is the EZ-Drain by NDS, and it’s only seven inches. That’s it. That’s all it is seven inches. It’s all its measures.The NDS French Drain is a prefabricated trench drain that is a gravel free option to a traditional French drain. It cuts installation time in half by eliminating the need to transport, shovel and move heavy gravel. It is made of 3 or 4 slotted corrugated pipe, surrounded by NDS poly-rock, and wrapped in a geotextile fabric. Our mulch is staying where it should, and our plants are beginning to recover. Most importantly, our foundation is staying protected. Think about installing pop-up drains if: Your soil doesn’t ...This NDS French Drain is a commercial-grade prefabricated trench drain that is a gravel free option to a traditional French drain. It cuts installation time in half by eliminating the need to transport, shovel and move heavy gravel. It is made of 4-inch slotted corrugated pipe, surrounded by NDS poly-rock, and wrapped in a geotextile fabric. time zone michiganasia cup 2022 NDS 4-in x 10-ft 5-PSI Corrugated French Drain Pipe. Dry out saturated, wet, and spongy soil with EZ Drain™ Gravel-Free French Drain System, an underground drainage … national bae day 2022 It cuts installation time in half by eliminating the need to transport, shovel and move heavy gravel. It is made of 3 or 4 slotted corrugated pipe, surrounded by NDS poly-rock, and wrapped in a geotextile fabric. It's durable, crush-proof and has a 100-year lifespan. The NDS French Drain has been designed to take water out of the soil and pipe ...Grates can be screwed to the channel using Stainless Steel Screws, Phillips Head #8 x 1” screws (4 per grate, screws sold separately) Fits: NDS 5” Pro Series Channel, Part# 820 ( takes 1 grate) and Part# 800 ( takes 2 grates) Product Class: 25IN. 71.95 GPM Capacity Per Foot. Load Rating: Class B (61-175 PSI) Shop the entire line of NDS 5 ... best repair shop near me https:://www.frenchdrainman.com/EZ-Drain versus an all stone French drain. I'm going to do a quick review on that so that people know what to expect out of t...In this video we go over more French drain how to tips - installing a catch basin into the NDS EZflow (link below) French drain. Catch basins are installed a...The NDS French Drain is a prefabricated trench drain that is a gravel free option to a traditional French drain. It cuts installation time in half by eliminating the need to transport, shovel and move heavy gravel. It is made of 3 or 4 slotted corrugated pipe, surrounded by NDS poly-rock, and wrapped in a geotextile fabric. EZflow is a gravel-free, EZ-to-install alternative to traditional french drain systems.For more information on NDS EZFlow, please visit http://www.ndspro.com...NDS 5-Inch Pro Series Features include 39 3/8" long deep profile high impact PVC channel drain with mechanical interlocking joints, structural foam polyolefin light traffic channel grate with an open surface area 20.44 square inches per foot, 26.77 GPM per foot, UV inhibitors. Recommended for medium-duty pneumatic tire traffic; autos and light ... tyrone's unblocked games fortnite The 5 in. Pro Series Channel Drain is 4-3/4 in. deep and features a modular design with interlocking joints for a secure channel-to-channel connection-no couplings required, easy to cut to size in 4 in. increments with saw guide. Included end cap/outlet combined with integrated bottom outlet and side-outlet knockouts provide 8 outlet options ...May 26, 2021 · 2.1K subscribers Subscribe 155 Share 15K views 1 year ago In this video I will show you how to Install a NDS EZ-Drain, French Drain System. I will walk you through all the steps from figuring out... NDS EZflow French Drain System 6,124 views 15 Dislike Ewing Irrigation & Landscape Supply 28.7K subscribers Constructing a French drain is made easier with the EZflow system from NDS....Jun 20, 2015 · The NDS EZ Flow French Drainage tile is one of those! Simple really, NDS took a 3” perforated corrugated drain tile and wrapped it in a 7” layer of light weight aggregate. It’s all held together by a filter fabric. Bottom line: no need for gravel to install a drainage line! Check it out online at ndspro.com. Traditional French Drain