Applications: Walkways, flooring, ramps, bridge flooring, trench and drainage covers, mezzanines, platforms, stair treads, etc. Price$452. This ADA Compliant, Heel-Proof snap-in grate comes in 36″ sections with a 2. 9252 3 ft. We have grates to fit most common preformed trench systems. My Price $0. Locust 4" x 24" Heel Proof. A: For the slim channel Kit that is referenced in the 6-ft lengths, the grates are only available in "sand" or "gray". Description. Part of NDS Mini Channel Series. Best for aesthetic applications where a barrier is required to. 6 Inch Channel and Trench Drain Replacement Grates Including Galvanized, Stainless Steel, HDPE, Ductile Iron and Cast Iron. com. Dry Wells. 6" B Class ADA HDPE Trench Drain Grate Light Gray HDPE - Load Class B - Fits NDS Dura Slope Trench Drain Product Dimensions: 6"W x 24"L x 3/4"D Submittal: NDS 660-665 Specification $53. 25/. Typical uses include driveways, pools, walkways, and wherever excess water and erosion are a. The Swiftdrain 300 trench drain system is a best in class 12″ wide pre sloped trench drain. 00 incl VAT. Add to Cart. NDS Slim Channel Drains and Grates 6-ft L x 2-in W x 2-in dia Drain. Some models available in H-20 Vehicular ratings. Deep Series End Caps and Bottom Pipe Adapter for Modular Trench and Channel Drain Systems. The installed height of the channel with grate is 3. Discreet – drainage system has a minimal impact on the pavement. Wd. Offering more than two dozen patterns of decorative cast iron drain grates for off-the-shelf trench drain systems, Iron Age provides a grate to meet any size trench drain. Select the product below to find out more. 52. Heavy duty 10" wide trench drain replacement grates. Grates with. Having answers to all nine questions upfront also makes the quoting process. The channels have a ridged grate or grill to carry both pedestrian and vehicular traffic. 75″ and have an open surface area of 9. Rain Bird Standard 5" Channel Drain is the complete professional drainage system designed for sidewalks, driveways, and patios, with corners and tee sections. Recommended for heavy-duty pneumatic tire forklifts and tractor trailers at speeds less than 20 MPH. 252. All trench grates/covers listed may be security bolted to cast frame. 00 (inc. Aquascape 70mm Locust Cast Iron Drain Grate 300mm - Pack of 4. 10″ Wide Trench Drain Grates. 8" Pro Series Channel Grate, Ductile SKU # 888. Load rating based on type of grate installed. Submit Your Design Let NDS evaluate and help you with preparation. Model# 83432-6. However, concrete channel gratings are flexible in terms of slope, size, depth, and other features. 5″ thick mesh. Polylok Heavy Duty 4′ Trench / Channel Drains. Cost Effective. With various colors and styles available, our grates add aesthetic appeal to your property, while providing you with practical wastewater drainage. Mini Channel Couplings must be used to connect to Mini Channel Fittings. Pro Series Channel Drain Kits, and each kit includes a 4-1/8 in. Buy bar grating Trench Grates and Drain Covers online at America's Metal Superstore. 1-877-999-1175 sales@rockCRETEusa. Solve the drainage problem with the Spee-D® Channel Drain, the #1 bestselling channel drain in the USA. Stormwater can be redirected to a lower point or existing drainage systems. Compare. The Spee-D Channel Drain Grate features a botanical design, and drains surface water while blocking leaves and debris before they can enter and clog the pipeline. Show per page. Standard Trench Drain Grates 1" to 12" Wide; Large Trench Drain Grates 13" to 51" Wide; More Replacement Grates; 2 3/4" NDS Mini Channel Trench Drain Grates; 4 1/8 Wide NDS Spee-D Channel Grates; 4 1/8 Wide Zurn Z884 Trench Drain Grates; 4. 00. The installed height of the channel with grate is 3. Use with 500 series mini channel. As the trench grate ages, this red-brown patina becomes its main color. PolyDrain PaverGrate® is a discrete slot drain system designed to provide a nearly invisible surface drain option when used in conjunction with brick or stone pavers. £20. 16 25IN 817 5" x 20" Light Traffic Channel Grate Sand 10 1. 44 GPM per foot. NDS Spee-D Channel Drains and Grates 10-ft L x 5-3/4-in W x 5-3/4-in dia Drain. 8" Decorative Grates. Ductile cast iron trench grating or solid covers (frames furnished in gray cast iron unless specified ductile cast iron) shall be as furnished by Barry Pattern and Foundry (BarryCraft), Birmingham, Alabama. Driveway drain grates are some of our most popular external drain products, with steel grates for driveways available in either stainless. The depth and variation of these red and browns can make it a great complement to brickwork. "N" sections are non-sloped and used to extend the length of the system. Zurn offers grates in a variety of materials, styles, load-ratings and composition for all applications and aesthetics. 5" Pro Series channel grates have UV inhibitors to prevent fading and cracking from the sun. 1 GPM per foot. Composed of durable, PVC with UV inhibitors and a corrosion resistant plastic grate, the Spee-D Channel Drain is a straightforward and reliable drainage solution for a wide array of setups at home or in commercial spaces. Available in a wide range of standard sizes for both our frames and for most popular drain bodies on the. Available accessories include end caps, adaptor pieces, convertor pieces, leaf domes, 90° corner pieces, tee pieces, catch basins, slim pits, storm water pits, and alternative grates. More Details. Radius grates can be fully customized to meet your every need. Because of this, trench gratings are often made and chosen with travellers in mind. D. All systems have 40 metres of continuous slope. Located in coastal North Carolina, Camp Lejeune required about 10,000 linear feet (almost two miles) of trench grating for its airfield. Channel drain in industrial settings. Depending on where you install channel drain, you can find decorative or colored grates to help blend into the landscape. 5 cfs (700 gpm) range. NDS™ is the leader in water management solutions. The range comprises modular and durable drainage channels, manufactured from corrosion-resistant polymer concrete. NDS grates are a proven alternative to traditional concrete drains with UV inhibitors are used to prevent fading and. R. 4 in. 888-825-4716. ADD TO CART. Heel-Proof. Drainage Connect understands the importance of high-quality drain grates and offer a wide range of options to meet the needs of any application. x 14 in. Everhard 3m EasyDRAIN Pressed Galvanised Steel Grate And Prejoined Channel. Grate fits on top of the Spee-D Channel Drain and can be secured with screws; use two 2 ft. NDS Dura Slope Galvanized Steel Perforated Channel Grate. Download photo. Trench frames and accessories complete the product offering. Uses of Channel Grates. NDS 864 - 5" Pro Series Channel Drain Kit- The new and improved NDS 5” Pro Series Deep Profile Channel Drain Kit is the most durable, feature-rich and easy to install modular drainage system in its class. NDS grates are a proven alternative to traditional concrete drains with UV inhibitors are used to prevent fading and. Streetscape projects featuring trench drains, trench grates, and curb openings, which are commonly used together to form sidewalk drains, enhance the aesthetic appeal of. 00 incl VAT. 12" Pro Series Channel Grate, Ductile Iron SKU # 885. A variety of attractive patterns are offered including Slotted, Rain Drop, Cathedral, Tardis, Pedreda, Bars, Stars and Luna. $157. When specifying GRATE-LOCK ® Interlocking Plank Grating, it is important to identify channel flange requirements (e. The first step to forming a concrete trench drain is to select the frame and grate based on design criteria before forming the drain. Contact us for a free quote or for further information on drainage solutions visit TrenchDrain. 50. (5) $198. $1,354. This grate helps to collect and remove excess water from driveways, patios and any other outdoor areas, designed for maximum durability to handle light vehicular traffic. Channel Systems. Neenah R-4990 Airport Trench Grates; Neenah R-4996 Self Forming Trench Pan; Neenah R-4028 To R-4055 Sewer Pipe Grate; Neenah R-4215 to 4360 Beehive Grates; Neenah R-4380 and R-4385 Bar Grates; Neenah R-4984 Detectable Warning Plates; Neenah R-8401 Cast Iron Bollards; Neenah R-4937 Floor Drains;Traditional Trench Grate & Frame - Galvanised. Our selection includes heavy-duty, industrial options, which are strong enough to withstand many load classes. Showing 1 - 12 of 28 results. Another popular finish for cast iron trench grate is black paint. When rainfall or runoff leave standing surface water on your driveway, patio, or courtyard, the water needs a better way to drain. On top of making up your own mind, get peace of it with ADA compliance and safety in every class. Works with Spee-D Channel Drain, part of the NDS Profile Channel series, to drain light. Description. Support ledge Required. Sump / Pit Grates with Frames (22) Foam Trench Drain Systems (18) Steel Trench Drain Systems (4) Restaurant and Food Processing (45) Slotted Trench. NDS Channel Drain systems are an effective and popular solution when perimeter drains are needed for hardscaped areas. Commonly referred to as a 3″ system, the grates are nominally 2. Description Product Guides Technical Documents. 7%. 0. NDS 252GY Decorative Botanical Grate Gray. 125″. Add to Cart Compare. » NDS 12" Pro Series Trench Drain. Excellent for medium-duty applications including residential pools, concrete and paver patios, spas and tennis courts. With its versatility, it can handle a range of applications including patios and light vehicular traffic areas. Micro-mesh can be made with or without a slip resistant coating. Mini Channel Couplings must be used to connect to Mini Channel Fittings. Adequate in everything from patios to light vehicular traffic areas. 36 25PF 3 ft Polypropylene Decorative Chain Channel. Spee-D Channel Drain Grates for 4 ft. Complete your trench drain system with one of our durable channel grates. Ideal for paths, driveways and domestic areas. 5″ x 1. For Spee-D Channel Drains. Compare. 00 with coupon. Channel gratings are commonly spotted practically everywhere. long for smaller sections. Stocked in 5 standard sizes available for immediate. Stainless Steel Grating. Rain 5″ x 20″ heel-proof trench grate, raw cast aluminum. 61. More Buying Choices. NDS 252GY Decorative Botanical Grate Gray. Spee-D channel drains are 4-3/4 in. Additional information. For residential and non-residential applications, the Spee-D Channel has a greater surface area for drainage than the micro and mini channels. NDS grates are a proven alternative to traditional concrete drains with UV inhibitors are used to prevent fading and cracking from the sun, chemical-resistant, rustproof and maintenance-free, lightweight and easy to install. For Walkway products, the channel size is referred to as height because of its upturned profile above the surface of the product. 4" and 19. Grates are removable for easy clean out and replacement. Removable grates make it easy to clean debris from channel for maintenance. 14″ Wide Trench Drain Grates. For sanitary sewer conditions, the channels may be edge sealed with an appropriate semi-rigidNeenah R-4990 Airport Trench Grates; Neenah R-4996 Self Forming Trench Pan; Neenah R-4028 To R-4055 Sewer Pipe Grate; Neenah R-4215 to 4360 Beehive Grates; Neenah R-4380 and R-4385 Bar Grates; Neenah R-4984 Detectable Warning Plates; Neenah R-8401 Cast Iron Bollards; Neenah R-4937 Floor Drains;Neenah R-4990 Airport Trench Grates; Neenah R-4996 Self Forming Trench Pan; Neenah R-4028 To R-4055 Sewer Pipe Grate; Neenah R-4215 to 4360 Beehive Grates; Neenah R-4380 and R-4385 Bar Grates; Neenah R-4984 Detectable Warning Plates; Neenah R-8401 Cast Iron Bollards; Neenah R-4937 Floor Drains;We install a channel drain across a driveway and catch a few gutter downspouts. 28. Black cast iron allows for the creation. 98 with Mail-In Rebate. Specifications: 19W4, Carbon Steel, Painted Primer Black. NDS Slim Channel Drains and Grates 6-ft L x 2-in W x 2-in dia Drain. Sort By. Description. Trench is also known as channel drain, strip drain, linear drain, or line drain. Stock Number: NLTG3161-2424-G. Installing driveway drains alleviates standing water that causes siding to rot and damage to foundations. Load class A is 15 kN (3372 lb), B is 125 kN (28,100 lb), C is 250 kN (56,200 lb), D is 400 kN (89,920 lb), E is 600. 61. 4" B Class Decorative Botanical Trench Drain Grate Gray HDPE - Load Class B - Fits NDS Spee-D Trench Drain Product Dimensions: 4 1/8"W x 24"L x 3/4"D. 00. 4 1/8 Wide NDS Spee-D Channel Grates; 4 1/8 Wide Zurn Z884 Trench Drain Grates; 4. Channel Drain Black Composite Grate - 500mm ACO Modular 125. channel is made from injection-molded polypropylene with extended side ribs for increased channel strength and UV inhibitors to prevent fading. £65. 5 lbs per square foot for the 1. 9x5. Specifications: PRIMER COATED STEEL, 3/16" thick bar X 1" Depth X 12" Wide. Landscape architects have used our channel and trench grates for various purposes, such as outdoor drain covers, channel grating along driveways, storm drain grates and. Includes 1 channel grate (wave). Our trench grates have several grate options and are available in a wide variety of sizes. With a huge range of trench grates and frames as well as surface drainage channel systems, Mascot Engineering can cater for all your grating needs. Add to Cart. 59 with Mail-In Rebate. Add to Cart. In total, you can now browse over 800 channels and premium programming, including news channels from NBC, ABC, CBS and FOX. They are UV-resistant, chemical-resistant, rustproof, maintenance-free, lightweight. Manufacturer NDS. Featuring a unique, patented flying buttress design, NDS mini channel drains. Slim Channel Grate Chain White 30 EA (90 LF) 0. D and features a modular design with interlocking joints for a secure channel-to-channel connectionMascot Engineering is one of the original manufacturers of iron grating in Australia. Z886 Trench Drain Grate. Locust 3" x 12" Heel Proof. Water garden design by Laurie Olin. For Mini Channel Drains. Bar grates are comprised of three primary items: load bars, cross bars, and banding bars. J. Systems are available in standard duty for pedestrian loads and heavy duty for demanding vehicular traffic. As low as $12. Manufactured to suit all load ratings (AS3996) from Class A to Class G, below you will find links to our standard stock products. Ductile cast iron used in the manufacture of trench grating or solid covers and frames shall conform to ASTM A536-80 grade 65-45-12. Grates are fastened with easy to use PowerLok boltless mechanisms. Snap-in slotted grates make it easy to clean out your system. AISI 316L. 375/. Channel can be solvent-welded with PVC glue for a water-tight connection. More Details. 13044 Middletown Industrial Blvd. 38″ Wide Trench Drain Grates. $114. 6" Galvanized Ductile Iron Slotted Grate. 25″ robust extruded PVC channel drain designed for residential and light commercial projects. ADS 4-in x 4-in 45-Degree Corrugated Wye Fittings. 87. 75. 7x3. Our custom products include endless opportunities to create a cohesive look that complements the natural surroundings or make a bold statement using eye-catching, avant-garde. Keep hardscapes free of excess water with an attractive drainage solution that’s easy to install and maintain. This grate helps to collect and remove excess water from driveways, patios and any other outdoor areas, designed for maximum durability to handle light vehicular traffic. With a variety of materials available, including copper, galvanized steel. Trench drains, also known as channel drains, are perfect for diverting stormwater away from your garage and home. Channel slopes can also be adapted to fit any. Sort By. 00 /package. 5/6. High impact PVC light traffic channel grate. $59. 12" Wide Trench Drain Grate Slotted for Bolts. £340. 7%. 50+ bought in. There are nine questions you’ll need to consider to ensure you get the right grate (s) and achieve the best possible outcome for your project. Drainage Channel & Grate; Drainage Channel & Grate. Place the Spee-D Channel Drain grates on the channel and screw in place. 50. 25 inch wide extruded PVC channel with 3 foot slotted grates ideal for light-duty residential outdoor living applications such as pools, spas and pavers. Rain 5″ x 20″ heel-proof trench grate, cast ductile iron with baked-on-oil finish. At the Trench Grate Store, all of our trench drain grates can withstand harsh weather, including rain, saltwater, direct sunlight, freezing temperatures, and blistering heat. Free Delivery. Each channel unit has a cast-in, ductile iron, wearing edge rail which provides support for the 200,000 lb (90 ton) load bearing grates. Each channel measures 12″ wide and comes in 40″ sections. S. These grates are offered in 12″ lengths. Final Price $ 150 41. Catch Basins & Grates. Black extruded PVC channel only – available accessories include anchor clips to secure the channel to the base, versatile bottom outlet that can be placed anywhere along the line for easy installation, couplings,. Specifications: PRIMER COATED STEEL, 3/16" thick bar X 1" Depth X 12" Wide X 36" Long. The range comprises modular and durable drainage channels, manufactured from corrosion-resistant polymer concrete. Marley 65mm x 30m Drainflo Corrugated Drainage Pipe (0) $244. Plastic Square Drainage Catch Basin Grate with Wave Design in Green. Plus, the bottom of the drain is shaped to increase the velocity of the flow, which also helps in self-cleaning. Solve the drainage problem with the Spee-D® Channel Drain, the #1 bestselling channel drain in the USA. 6ft Slim Channel Kit with Gray Grates and Accessories SKU #. 59. Micro Channel Drains; Slim Channel; Mini Channel Drains; Spee-D Channel Drains; Pro Series Channel Drains; Dura Slope Trench Drains; FILCOTEN Trench Drains; French Drains. 733" x 11. $110. Brochures. You Save $18. Preserve your property from water damage with a decorative grate that complements its surroundings. 50″ Wide Trench Drain Grates. NDS grates are a proven alternative to traditional concrete drains with UV inhibitors are used to prevent fading and cracking from the sun, chemical-resistant, rustproof and maintenance-free, lightweight and easy to install. 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. 3/4. 1. high, and 4 ft. 8" Wide ACO K100 Trench Drain Grates; 5 1/4'' Wide Polycast 600 Series Grates; 5 3/8" Wide Zurn Z886 Grates; 6'' Wide NDS Dura Slope Grates; 8" Wide Trench Drain Grates; 9 3/8" Wide ACO K200 Trench Drain Grates;The Spee-D Channel Drain contains 1 x 10 FT section of channel and 5 x 2 FT gray plastic slotted grate. $6502. 01. 29 GPM) per foot. Channel Assembly features the polyvinyl chloride channel with prefastened polyethylene grates for a quicker install. We have 5″ wide trench grates in cast iron, ductile iron, stainless steel, fiberglass, plastic, galvanized steel, aluminum, brass, bronze, and virtually any other material you may need. Pro Series Channel™ Drain captures moderate flows from driveways, patios, courtyards, & walkways. In this article (and corresponding video below), we walk you through the process of specifying decorative trench grates. Show per page. Multipack comes with three 3 in. Download photo. More Details. Standing surface water is not only a slip hazard—it can lead to mildew growth, concrete staining, and costly damage. g. Add to Cart. Applications: Driveway Trenches, Drainage Ditches, Sidewalk Drainage, Parking Lots Grates, etc. NDS grates are a proven alternative to traditional concrete drains with UV inhibitors are used to prevent fading and cracking from the sun, chemical-resistant, rustproof and maintenance-free, lightweight and easy to install. . Generally these are unimportant to the designer as long as the iron grate can reach the required loading. It is perfect for low water flow areas, in Landscape water drainage projects for deviating rainfall water and other flowing and stagnant. Channels are. O. 77 GPM per foot, UV inhibitors. Send Us a Message. Go. 75″ and have an open surface area of 9. NDS has a full line of drainage products, fittings and accessories available. When it comes to finding a suitable solution for your rainwater drainage system, a Cast Iron Grate & Cover is a perfect selection. For your convenience, bolted grating and rail units are assembled in 24" length sections, using four stainless steel hex head bolts. We manufacture a wide assortment of 5″ wide trench drain grates for most any load class. These are designed to control the excess surface water and move it along the sewers, softscapes, and streams. from $222. DrainTEK Outdoor Low Profile Linear Grate - Wedge Wire / Heel Guard Style - 120mm - Matte Black - Custom Length and Outlet. SHOP FIBERGLASS GRATES. With a generous internal channel depth of 100mm and components to suit various configurations, EasyDRAIN Standard can effectively hold. Reward Points Customer Login; Skip to navigation Skip. Pools have large amounts of water that splashes over the side of the pool. Grate Seating & Styles; Rectangular Trench Frames & Grates; Round Cast Iron Grating; Grate Seating & Styles; USF Pipe Grates 5600-5625; Steel Grating; General Info; Endwall Grating F. Josam Lite Lite Trench Drain Light Gray ABS Grate. It offers a modular design with interlocking components to enable quick and easy connections. Final Price $ 150 41. Grate fits on top of the Spee-D Channel Drain and can be secured with screws; use two 2 ft. These grates are a full 3 inches wide and extend over the top of the channel edge. Open surface area 19. 00 / each. Browse a wide range of replacement Trench Drain Grates from Load Classes A-F. 24. Snap-in slotted grates make it easy to clean out your system. Benefits. 54 GPM per foot. $12099. Use part #849 Grate Security Clip to secure grate to channel. 50. £14. The high quality, injection-molded plastic comprising the NDS Mini Channel grates is rustproof, chemically resistant and maintenance-free. 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). EZflow; EZDrain; EZ-Drain; Catch Basins. Use part #849 Grate Security Clip to secure grate to channel. Water-Tite + View All. TRENCH DRAIN. NDS has a full line of drainage products, fittings and accessories available. This could be a channel or even a hole. These are Replacement grates for Vulcan Foundry 7300 Series. Spee-d Channel Drains are ideal for driveways, large decks, and commericial areas. D 39. Give one of our experts a call. Add to basket. Pipe Grates. NDS Dura Slope is a 6 5/8" wide, 48" long trench drain system with a built-in slope of 0. In stock and ready to ship. All of our patterns compliment our robust line of tree grates and drain covers . NDS has a full line of drainage products, fittings and accessories available. 2' Spee-D Channel Drain Grate, White SKU # 240. Trench Drain Systems is one of the largest distributors in the United States who are committed to providing you with quick solutions to all your surface water runoff problems. A channel drain with a grate is a pre-formed gulley designed to collect water runoff from a hard surface. The weight is 2. Because of this a grate or grating can actually be designed in a number of ways to accommodate the particular drainage system. Search Now. Each channel section is molded of gray structural foam polyethylene with UV inhibitors 4" inside diameter with a 2" radius bottom. NDS Spee-D Channel Drain Systems are a lightweight alternative to traditional concrete drains, that offers superior performance. Minimum opening of 12-1/8" required. 25″ width. Our BoOF (Baked on Oil Finish) process can also be applied to any ductile iron grates offered by Trench Drain Systems. VEVOR Trench Drain System, Channel Drain with Plastic Grate, 5. Shop NDS Spee-D Channel Drains and Grates 10-ft L x 5-3/4-in W x dia Drain in the Outdoor Drainage Accessories department at Lowe's. Pro Series Channel Drain Kits, and each kit includes a 4-1/8 in. GMS Trench Grates and Frames. 44 square inches per foot, 26. Model# 003114. Length Tolerance = +/- 1". In residential indoor installations, channel drain only needs to handle the light duty of foot traffic. com. INSTALL: Saab Construction. These channels can be placed in various areas, including pedestrian walkways and driveways. Specifications: PRIMER COATED STEEL, 3/16" thick bar X 1" Depth X 12" Wide X 36" Long. Channel and Grate. 5" wide x 1 Meter Channel Grate and Channel Drain with mechanical interlocking joints and UV inhibitors. Contact your sales or customer. NETWORK. 00. The NDS Spee-d Channel grates are available in six colors, making it easy to match to the surrounding surfaces. 25″ robust extruded PVC channel drain designed for residential and light commercial projects. Dura Slope offers versatility and easy installation featuring interlocking joints that snap-together. 5-meter long and will adapt to any trench drain application. Designed to cover the entire channel grate. Zurn offers grates in a variety of materials, styles, load-ratings and composition for all applications and aesthetics. Unique flanges on the bottom of the channel provide an anchoring lip for straight installation and prevents floating. Urban Accessories’ decorative grating make for a perfect addition to any project that require elegant and durable solutions for trench drains. ABT® PolyDrain® ABT® PolyDrain® PDX-6 ABT® PolyDrain® PDX-8 ABT® TrenchFormer® TFX-12 ABT® TrenchFormer® TFX-6 ACO™ K100, K100S, KS100 ACO™ K200 ACO™ MiniKlassik ADP 2" Channel Drain Filcoten® Tec V 100 Hubbell® Polycast® 600 Series Iron Age Custom Frame MEA® 1000 Series MEA® EN1500 MEA® EN2000. Use part #849 Grate Security Clip to secure grate to channel. Channel grates (also called strip drains, trench drains or line drainage) are a part of a linear drainage system. Discover our collection of assorted channel grates. 4 in. covers are designed to fit over trench-style drains. f. Decorative grating takes another step forward with Trench Drain System’s bronze and aluminum drainage grates. Aesthetics – grates are used as a design element in the pavement.