Catch basin drainage systems, such as. A complete drainage system with ADA compliant pedestrian safe grates, it is perfect for paths and driveways. So you’re buying or planning for a new outdoor trench drain system. The drain box's grate collects stormwater and filters debris before the water flows into drainage pipes. More Options AvailableThe AquaStop BasementGutter™ system was a type of French drain system designed to be clog-free. Flo-Well® Engineered Dry Well. Linear trench drains, channel drains, floor drains, trench drain systems; whatever you call them, we can help you find the best drainage solution to meet your needs and budget. It is placed just under the floor in front of the footer. 13 $35. per linear ft. The Slim Channel™ Drain, part of the NDS Profile Channel series, captures light flows of runoff from pool and spa areas, concrete and paver patios, and walkways to prevent. Available in 6″, 12″, 17″, 23. Depending on your needs, you can get a catch basin in different shapes and sizes—grates included. The TrenchFormer cast-in-place concrete forming system for forming trench drains, catch basins, utility chases, and voids in concrete placement is manufactured by ABT Inc. KERDI-LINE is available with several grate designs, including a frameless tileable covering support, which virtually disappears in the field tile. 5″ thick mesh. Schluter®-Systems’ drains and linear drains, KERDI-DRAIN and KERDI. It has options for situations that need complex layout and are available in 4”, 6”, 8” and 12” width for varying. Add 2″ to length of each channel for female joining flange (only applicable at shallowest end of trench run). Urban rainstorm drainage systems are used to collect the surface runoff from streets and other land surfaces through grate or curb openings that convey it to the drains. It works efficiently and has a long service time, with the interlocking connection design,. Compare $ 209. Find Your Trench Drain . 3 Ft in length. Installation of the AquaStop BasementGutter™ interior drainage system takes only one to two days at most. Ultimate range of stainless steel drainage for industrial and commercial applications. 75 × 6 inches. AA. Sioux Chief 832-4HNR 832 Series FinishLine 6 1/2" Round Light-Duty Adjustable Floor Drain with ABS Base and 4" Outlet. 95. catch basins, risers, and low-profile adapters connected to drain pipes which carry the water to a discharge point downstream such as a pop-up emitter, or to percolate into the ground. NDS Drain Grates From brass to stainless steel, cast iron and plastic grates, even decorative options, NDS offers a wide selection of outdoor drainage grates to fit all our products and meet the needs of any site. Car Washes. These systems are ideal for loading docks, parking lots, roadways, airports, areas with forklifts or tractor trailers and anywhere where. French recommended a new drainage system he designed and called a cellar drain. NDS Mini Channel is a 3″ wide non-sloped plastic system built for light traffic applications such as pools, patios, and walkways. Catch Basin Drain. It acts as the cover to the entire drainage system which keeps objects debris from going in there. Schluter®-KERDI-LINE-VARIO is a variable length linear drain for tiled showers. flow rate. If you're an engineer or. This versatile drain system includes a drain body with an adjustable grate assembly, accommodating various tile thicknesses. ProsDiscover VEVOR Trench Drain System, Channel Drain with Plastic Grate, 5. In Stock. 9 lbs per square foot for the 1″ thick mesh and 4. A storm grate’s first job is to move surface water into the sewer system. Grate Inlet - A drainage inlet composed of a grate in the roadway section or at the roadside in a low point, swale, or channel. Because of that, you may want to consider alternative drainage systems that can better fit your needs. 37 $ 162. French Drain Guide. 5. Each channel easily connects together for quick and easy installation. 2 out of 5 stars 42 ratings. When choosing a grate, the following should be considered: Water intake capacity;Package Content:3 x Trench Drain,3 x Plastic Grate,3 x End Cap; Return Policy; Additional Resources From the Manufacturer. VEVOR Trench Drain System, Channel Drain with Metal Grate, 5. 9x5. It is placed just under the floor in front of the. TRENCH DRAIN Channel Drains products or Buy Online Pick Up in Store today in the Plumbing Department. The Deep Series 90 degree Angled Corner piece allows your Trench Drain Systems to change direction to the right or left. Free Estimates Click or Call Now. These channel drain grates are designed to. Micro Channel Drain and grate are one integrated piece; modular design makes it easy to customize layout. 3 General Design Guidelines A storm drain is defined as that portion of the storm drainage system that receives runoff from inlets and conveys the runoff to some point where it is then discharged into a channel, water body or piped system. 37 in. Learn More. Effective in everything from patios to light vehicular traffic areas. The Spee-D Channel Drain Grate features a botanical design, and drains surface water while blocking leaves and. Swiftdrain's commercial grade trench drains include the 100, 200, 300 supreme polymer concrete trench drain. x 3 in. Step 5: Install an inlet grate and drainage pipes. A storm grate’s first job is to move surface water into the sewer system. 3 sq. The drain grate defends your drainage system by blocking out fragments that can congest the pipeline to optimize the performance of your drainage system The drain grate, also known as a drain cover, is the frontline of your storm drain system. NDS Dura Slope Trench Drains; NDS FILCOTEN® Trench Drains; NDS French Drain Systems. The cast-iron grates are solid with a curb inlet to rest flush with the top of the concrete piece to prevent damage. sewer and drain pipe & fittings and 6 in. 49 with 30 percent savings -30% $ 112. Visit our website to learn more about our Pop-Up Emitters. in. Standing surface water is not only a slip hazard—it can lead to mildew growth, concrete staining, and costly damage. U. HexaLine is a recyclable polypropylene trench drain system with a range of innovative features, making installation of drainage channels easier then ever. It consists of a long, narrow channel covered by a grate. Zurn Z700 Series Frame and Grate System; Zurn ZS880 SS Shower Drain By Item; Zurn Z882 Special Order Grates; Zurn Z886 Special Order Grates; Zurn by the Foot; More Zurn;. Steve Andras, a well known member of the basement industry developed the GrateDrain TM system to handle the most difficult drainage problems. Browse Our Selection. Set a vapor barrier on top. Deep Series 5. The U-drain™ features a sump pit that is designed to be plumbed out to either a weeping. or 4 in. Or call us at 888-825-4716. 1x39-Inch HDPE Drainage Trench,Channel Drain with Plastic Grate, Black Plastic Garage Floor Drain, 3x39 Trench Drain Grate, for Garden, Driveway-3 Pack: Drain Strainers - Amazon. The standard Pro-S channel is the S-192 but other channel depths to accommodate particular circumstances are also available. current price $162. It has many engineered fittings with access ports for the ability to maintain the. Built to stand up to the elements, it's made of polyethylene, a type of plastic, using a combination of virgin and recycled content treated with UV inhibitors to prevent fading and cracking from the sun. 6 to convert to tons or divide cubic feet by 27 to covert to. The drain system begins with an end section that slopes toward a sump pit, with sloped sections inserted to lengthen the drain as desired. Keep hardscapes free of excess water with an attractive drainage solution that’s easy to install and maintain. Stormwater can be redirected to a lower point or existing drainage systems. Direction Vaned Grate SD-110 Catch Basin Vaned Grate Bi- Directional SD-112 State Grate Base SD-116 State Grate Frame Unit SD-117. FREE delivery Sat, Sep 16 . The world’s most popular modular trench drain system. The storm drain with grate is rated for NDS Class B loads when properly installed. 5) with heavy-duty black powder. 9 x 7. The Schluter®-KERDI-LINE low-profile linear drain takes your tiled shower to the next level—and is the ideal drain for curbless bathrooms. HIGHWAY DESIGN MANUAL 830-3 May 7, 2012 Table 831. These include one-piece, hidden, multipiece, three-piece, decorative, and tileable drain grates. NDS Dura Slope Grate Options. The trench is covered with a grate, which prevents dirt and debris from getting in but also stops the trench from becoming a major trip hazard. TDS’s FP1200 Series™ high volume trench drain is the ideal solution for high volume flow situations such as airports, roadways and seaports. Co-op was looking for excellent flow rates and it is corrosion resistant to the car wash chemicals. Comes with one 24 in. A drainage grate is the part of a water draining system that covers the top part of the drain. RELN Storm Drain Channel series with Architectural 316 Stainless Steel (6-Pack) Model # 003113 SKU # 1001690415. Install KERDI-LINE adjacent to the wall, or at intermediate locations of. Dura Trench can help with roadway and highway channel drain systems. Add to Wish List. Storm Mate kit includes 2 x end caps. single-wall corrugated pipe for a soil-tight fit. Buy bar grating Trench Grates and Drain Covers online at America's Metal Superstore. Designed for residential and commercial drainage systems, the trench drain corner is easy to install and features a matching grate for a. Our trench drain grates are tested and can hold over 50,000 lbs without failure (most vehicles are 3,000 to 7,000 lbs spread on 4 wheels). GrateDrain™ is a dual-chamber system that is designed to accept groundwater faster than any other drainage pipe on the market. H x 39. x 14 in. Low-profile drain system: dimensions of each channel: 5. wide channel design features recessed grate and grate. L x 14 in. FREE Returns . Available in eight lengths and three grate styles. L, commercial water drainage. When water hits the channel drain, it's sent off in another direction, well away from the house or garage. This plastic channel drain system features an integrated grate. W x 3. The first key part of the process of adding a trench drain to concrete is the design. VEVOR Trench Drain System, Channel Drain with Metal Grate, 5. As part of a complete drainage system, the catch basin directs water to connected drain pipes which carry the water to a discharge point downstream such as a pop-up emitter, or to percolate into the ground with. This product is suitable for pedestrian and light vehicle traffic applications. NDS 864GMTL - 5" Pro Series Channel Drain Kit with Galvanized Steel Grate- The new and improved NDS 5" Pro Series Deep Profile Channel Drain is the most durable, feature-rich and easy to install modular drainage system in its class. The 600 series can reach run lengths of 835 linear feet by implementing neutrals and custom configuration. Allow easy and effective joining of channels. Zurn Z706 6" [152mm] wide reveal frame and grate system with 120" [3048mm] long, 6" [152mm] wide channels and have a 4" [102mm] clear opening. • Adjustable to fit all common tile thicknesses. Troughs and grates are sold separately to allow mixing and matching of grate style and trough design. Premium Quality: Our linear grate drain systems are crafted to the highest standards, ensuring resilience and long-lasting performance. Grate systems are not convenient for homeowners to reach in and clean out. Appropriate sealant can be used to create a sealed joint. Or call us at 888-825-4716. Lock: Pro-Snap Grate System Width: 4" interior - 6" total . Storm drain inlets are the openings that allow stormwater to flow into a storm drainage system. Pro Series Channel Drain Deep Profile system to drain moderate flows on driveways, concrete and paver patios, courtyards, walkways, and sports facilities. This system is A Class load rated - for pedestrian use , and very light traffic. 4. D Channel Drain with Plastic Grate and End Cap Drainage Trench 6 Pack (2) $ 121. NDS Slim Channel Drains and Grates 6-ft L x 2-in W x 2-in dia Drain. Next, dig a hole for and install the basin and basin grate. Trench drains are offered in 2″ , 4″ , 6″ , 8″ , 10″ , 12″ , 18″ , 24″ , 36″, and 48″ widths. Our sediment basket is designed with inverted V handle for easy removal. 4 sq. Reach out today! Skip to content. 1. How the grate drain trumps all other basement drainage systems budget dry waterproofing gratedrain system in fairfax alexandria arlington va by summit trenchdrain grated pipe philadelphia baltimore ellicott city pennsylvania delaware and maryland french foundation of michigan for select new jersey s raleigh durham greenville. NDS Flo-Well is a manufactured dry well that is an easy to install and sustainable solution for storm water runoff. TRENCH DRAIN Compact Series 5. Water drains via gravity through a pipe to the dry well, a basin or a simple pit filled with a material such as gravel that allows water to filter slowly into the surrounding soil. Designed as a drainage collection point by its self or for connection to US Trench Drain series modular trench and channel drain systems; Includes storm water pit, aluminum grate, 2 pit boss attachments, 8 self-tapping screws; 6" Riser and leaf basket available, sold separately; NO pre-existing outlets; Dimensions: 14 in. drain pipes with designated outlet adapters (sold separately) for a soil-tight fit. 5% slope built in but can be manufactured with any slope specified. 5 in. 4” to 12” square. They’ll meet your traffic requirements too, whether it’s load-bearing capacity or heel-wearing pedestrians. Discover VEVOR Trench Drain System, Channel Drain with Metal Grate, 5. KERDI-LINE Linear Drain. Spee-d Channel Drains are ideal for driveways, large decks, and commericial areas. 5 cfs (700 gpm) range. Built to. Punched Slot Grate. By installing a trench drain along the base of the wall or step, you provide a conduit to redirect water to a more suitable location. 2' Spee-D Channel Drain Grate, Sand SKU # 244. The grates on your trench drains are a key part of the correct performance of the entire drainage system. Catch Basins & Grates; Vortex Basins & Grates; Accessories. Or call us at 888-825-4716. Grate Products certifies a network of quality contractors who are expertly trained. Each Channel is 3. com FREE DELIVERY possible on eligible purchases GrateDrain™ is a dual-chamber system that is designed to accept groundwater faster than any other drainage pipe on the market. Fueling stations present unique problems that will damage and prematurely erode trench drain systems if not properly designed and installed. System is designed so that it can be cut to almost any length. This versatile drain system includes a drain body. To suit many applications, our range of AS 3996 compliant grates, slotted. So you’re buying or planning for a new outdoor trench drain system. A linear system of grates can capture a vast volume of water from a site—one reason they are favored for airports and highways. 9x5. The Dura Slope drainage system offers a large selection of grating for residential and commercial applications. • Connect End Cap to ends of EasyDRAIN channel and seal with silicone. ), locking (making grate captive to channel), and aesthetics (finished look). Mifab Series Shallow Trench Drain is a T275, 4 3/4” wide, 2 ¾” deep, 40” long, non sloped trench drain system. Load Class. 14 in. Trench drain systems in pool areas serve many purposes from draining excess water to redirecting rain water. Once in place the grate is laid onto the drain. Trench Drain Grates. Custom Drainage. GrateDrain™ is an extruded durable poly vinyl chloride (pvc) which is made up of our 4 foot horizontal wall pieces and 120. Our Channel Drain Grates can handle up to a class D load rating and come in a variety of materials including plastic, iron, steel and brass. Modular design connects together for longer runs, can be cut to size as short as 4 in. NDS® Parks & Rec Solutions. 0% slope that allows the system to redirect up to 470 GPM (gallons per minute). 5. 04 $ 141. Or call us at 888-825-4716. HYDRO BAN Drain Grates are low profile floor drains specifically designed for use with the HYDRO BAN Pre-Sloped Shower Pan and are 4”x4” (10 x 10 cm) to match most common tile sizes. 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. Catch basins and pipes should be fitted tightly to be leak-free. Our professional staff can assess your project requirements and quickly offer you competitive pricing and information regarding the products you need. Variety of trench Drain Gratings available. 7x3. Each segment is four foot in length and comes with a reversible ADA compliant grate that can. If the water backs up, there’s an issue with the drain, and it’s likely a blockage. Our drainage systems offer light to heavy duty solutions for traffic ranging from pedestrians to jumbo jets. Trench and Channel Drain Systems w/Black Grate. However, if the design necessitates a linear drain product to be within the 3-foot perimeter of the inside wall of the pool, it is necessary to specify proper bonding (grounding) of the. The 2″ bottom and end outlet options that are offered with Mini Channel have adapters that. Deep Series End Caps and Bottom Pipe Adapter for Modular Trench and. L Trench and Channel Drain with Black. Their widths and slopes allow the systems to evacuate a large amount of water quickly using gravity to pull it to the lowest point. 1-Inch HDPE Drainage Trench, Black Plastic Garage Floor Drain, 5x39 Trench Drain Grate, with 5 End Caps, for Garden, Driveway-5 Pack . Table 2, page 3, list value ranges for common surfaces. Model # 864GMTL. A grated channel drain system, also known as a trench drain, is designed to manage water overflows in outdoor spaces. A French drain is a versatile system for dealing with all kinds of drainage problems. Grasp the grate and pull in an upward motion. Shop online or call today 610-638-1221. Dura Trench prefabricated trench drain systems are our most popular product line. Corner for 5. Heavy duty trench drains are usually made of a fiber reinforced concrete or polymer concrete channels. 2 in. Surface Drainage & Channel Drain Products. In this video I show how to install a water drain system to capture water running off a concrete slab. Here’s one of the most unique examples of using decorative drainage as a design element we’ve seen yet! Our Interlaken trench grates, cast in marine-grade aluminum, circle the midsummer pole, arc across the plaza, then continue their journey down the stairway in this visually compelling design by @The_West_Studio for Astoria Nordic Heritage Park in the. Includes 3 side panels and 1 lid. Each 1-meter channel uses interlocking joints to keep the system aligned during installation and prevent leaks. Tiles are square, so your shower floor will look better with a square drain, and the installer won’t have to try to make round cuts on square tile. Find My Store. Trench. Trench drains placed where traffic will be on the grates or where fork truck traffic is possible should have a heavy duty frame to protect the top of the channels. Using an inferior Load Class than required can lead to a failed and possibly damaged system. Grated. D x 39. Modular Channel with Slope in Smooth HDPE. GrateDrain™ is the Strongest System on the Market. When selecting the grate there are a couple of factors that have to be considered, including the load classification (resistance to failure), slot pattern (water intake), material (corrosion resistance, etc. Fort Carson. Our Spee-D Channel Drains come in lightweight sections that quickly snap together and are highly versatile so they fit a variety of pipe sizes. The structure of a yard drain is very simple: A small underground catch basin covered by a metal or plastic grate catches runoff water, and one or more branch drain pipes carry this collected water from the basin to some termination point—often near a street or into a municipal storm drain. Overlap the sock ends after you connect them. . Add the pipe, fabric, and aggregate totals to get the base for an initial installation cost. QuickDrain linear shower systems provide unlimited styling options and superior engineering, offering wall-to-wall coverage that promotes effective and efficient water drainage. Channel weights are for fiberglass body only. A storm drain, storm sewer (United Kingdom, U. Modular commercial trench drain with a variety of grates. Drainage System w/Plastic Grates. Designed with large dual chambers, GrateDrain™ directs groundwater from beneath the basement floor and the wall/footing joint to the sump liner. 4 in. Drain trenches are cast from several materials. Find concrete and driveway channel trench drains from the leader in drainage systems, NDS Pro. NDS Dura Slope Trench Drain Systems are designed to provide a solution for residential, commercial, and industrial drainage needs. 120’ of continuous one way slope is available. Plan to spend. Heel-proof grates are available in polyolefin plastic, galvanized or stainless steel materials. The Role Of Grates. In every case, the excavation should be deep and wide enough to provide concrete cover equal to the slab thickness or 4", whichever is greater. Solution #3: Catch Basin Installations. 4 in. NDS EZ-Drain French Drain system offers a gravel-free alternative and features engineered flow channels that increase capacity, for superior flow rates. ). French drain installation costs $10 to $25 per foot. ACO Drain consists of cast polymer concrete bodies with either galvanized steel, stainless steel or cast iron wearing edges. Surface drainage systems for roads, bridges and airports. L Trench and Channel Drain Kit with Black Grate (3-Pack : 9. The 6″ wide (OD) PolyDrain channels feature a . Multipack comes with three 3 in. A drainage grate’s primary function is to let water enter the trench drain system efficiently. DrainTEK Outdoor Landscape Pool Drainage Channel - Tray and Grate - Wedge Wire / Heel Guard Style - 135mm Wide with 70mm pitch. Spee-D Channel Drains are 4-3/4 in. Grate is fastened to trench drain base with provided #8 x 1-1/4" screws ; Cut lines. together to create the desired length that suits your project. Flo-Well® Accessories. He did a bunch of re. Fits 2 in. Keeping them in good repair and in place over the trench is critical for the well-being of your trench drain system. There are no grates in the floor drainage system to plug, remove and clean. 7 in. 7. A French drain system can be used alone or combined with a. Anchored by innovative designs and unique functionality, Our Specification Drainage, Pure Water Process Piping, Chemical Waste Drainage, and BLÜCHER Stainless Steel Drainage systems satisfy the most. 37. $65. (3) $152. Dura Trench stainless steel trench drains come in pre-sloped 8′ lengths with heavy plywood cover and installation aides standard. Residential. drain outlet. 4 in. This is a unique drain system for location at the bottom of a block wall. Secure as many fittings as necessary for your pipe system to extend from the inlet grate to the water outlet point. 6% slope and 4″ radius interior for maximum flow velocity. There are many types of inlets, including: Curb opening inlet: A long, narrow, horizontal opening at the edge of a curb. 7" channel lengths and 4" and 8" nominal interior width with a wide range of grates which enables Josam to provide a trench drain solutions for your installation requirements. Open area for Micro-mesh is 44%. Offered with a wide selection of 5″ wide trench. 1-Inch HDPE Drainage Trench, Black Plastic Garage Floor Drain, 5x39 Trench Drain Grate, with 5 End Caps, for Garden, Driveway-5 Pack, Bottom Outlet with Multiple Sizes and Hassle-Free Installation at lowest price, 2days delivery, 30days returns. • KERDI-LINE-STYLE available lengths ranging from 20” to 48” (50 cm to 120 cm)Get free shipping on qualified U. The storm drain with grate is rated for NDS Class B loads when properly installed. Specifications. A trench floor drain is a long trench that usually runs the entire length or breadth of the garage. 8 ft) Shop this Collection. The intake of the drain is its simple slot. Some can be as short as a foot or two while others can easily span over 10 feet. The drain channel can be cleaned with flush valves automatically, saving labor and money. Learn more about our Nyloplast products and. A french drain calculator can help to more accurately determine the cost of a French drain-type system by tallying up the length of trench required, as well as the number of lengths of pipe necessary to fill that trench. It was much appreciated!”. Clean the grates and profiles using common household cleaning agents. Built-in basin sump is easy to access and clean. 7x3. SlabDrain - Shallow trench drains. Always Use Pop-Up Emitters. KlassikDrain – General Purpose Trench Drain Brickslot – Discreet Slot Drain PowerDrain® – Heavy Duty Trench Drain. The Polylok Heavy Duty Trench Drain is H-20 wheel load rated when cast in reinforced concrete (as per Polylok Trench Drain H-20 Instruction Diagram). Grate Drains are installed in order to keep your basement from flooding from an exterior stairwell. Whether installed in the yard or the basement, a French drain works on the same principle. 3 Desirable Roadway Drainage Guidelines DESIGN STORM DESIGN WATER SPREAD HIGHWAY 4% 10% Shldr or 1/2 Outer Local Type/Category/Feature (25 yrs) (10 yrs). L Channel and Grate with Bottom Outlet with Black Grate. This gives the slot drain a smooth interior. Quick Installation and Quality Service. Ideal for use with Kerdi-Shower-T/-TS/-TT prefabricated shower. 36 per mm. Its material is high-density polyethylene with a weight of 336 gm. Because of this a grate or. It is also exposed to water in many forms: rain, sprinkler systems, water hoses, and even melting snow in some places that can lead to water. The size and shape of the grating is what determines their hydraulic efficiency. VEVOR Trench Drain System, Channel Drain with Metal Grate, 5. 4 in. With frame and grate systems, no channels are provided by the manufacturer. Square Catch Basins; Round Spee-D Catch Basins; Catch Basin Universal Outlets & Drain Adapters; Catch Basin Grates; Dry Well Drainage Systems and Kits; Grates. Channels come sequentially numbered and have. Grates may be held in place with screws or hold-down clips. wide. Remove 6-12 inches of concrete around the interior perimeter. These drains connect to a. When selecting the grate there are a couple of factors that have to be considered, including the load classification (resistance to failure), slot pattern (water intake), material (corrosion resistance, etc. 3 When the Slotted Drain is banded together, the adjacent grates shall have a maximum 3-inch gap. Water runs down the gravel into the pipe, where it’s captured and directed away. 1-Inch HDPE Drainage Trench, Black Plastic Garage Floor Drain, 3x39 Trench Drain Grate, with 3 End Caps, for Garden, Driveway-3 Pack . You will need to consider the size of the drains that you want to use, the gratings that you want to place over them, and the slope of the floor or roadway. Product Details Low-profile drain system: dimensions of each channel: 5. Stormwater can be redirected to a lower point or existing drainage systems. Depending on the severity of the clog, the fix could be as simple as clearing a grate cover. Works with 5 in. The cost of a drainage system in your yard will typically range from $2,500 to $8,000, depending on the type of lawn drainage system you install. 75 in. The bottom of the system contains cut-out section for 3 in. Every grate is classified into a load class standard for the safety of the roads and those on the roads. This Complete 16-ft Residential Driveway Drain kit includes everything you need for a 16′ wide driveway or smaller (can be trimmed to fit your driveway). reliable, and versatile lines of channel drains, grates, and water management products and solutions in the industry. ABT Inc. Not Sold in Stores. square outdoor drain grate to collect heavy flows from lawns, landscaped areas, parks. Square Drain Grate has an open surface area of 4. Cover the grates with plastic grate bags. Marc Newson Design Grate. Long runs with continuous slope and traffic.