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Drainage Kits
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  • Drainage Kits
    • Popular Manufacturers
      • TDS
      • NDS
      • POLYCAST®
      • ULMA
      • Zurn
      • All Manufacturers
    • Popular Drainage Systems
      • Dura Slope
      • Mini Channel
      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
    • Channel Materials
      • Fiberglass
      • Plastic
      • Polymer Concrete
      • Stainless Steel
      • Pour in Place (Concrete)
      • All Channel Materials
    • Load Class
      • Load Class A
      • Load Class B
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      • Load Class D
      • Load Class E
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      • All Load Classes
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    • Popular Manufacturers
      • TDS
      • Bronze Age
      • NDS
      • Polycast
      • Polylok
      • ULMA
      • Zurn
      • All Manufacturers
    • Popular Drainage Systems
      • Dura Slope
      • FP1200
      • Mini Channel
      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
    • Grate Material
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      • Ductile/Cast Iron
      • Fiberglass
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  • New Image Coming Soon

    NDS 5370S Mini Channel TEE with SAND Channel and NO Grate

    NDS 5370S Mini Channel TEE with SAND Channel and NO Grate

    Regular price $54.36 USD
    Regular price Sale price $54.36 USD
    Unit price /  per 
  • Luna Aluminum Grate

    NDS 3" Gray Mini Channel Kit with TDS Bronze Age Luna Grate - Aluminum

    NDS 3" Gray Mini Channel Kit with TDS Bronze Age Luna Grate - Aluminum

    Regular price From $330.44 USD
    Regular price Sale price From $330.44 USD
    Unit price /  per 
  • New Image Coming Soon

    NDS® Dura Slope In-Line Catch Basin with DS-604 Cast Iron Brick Grate RAW

    NDS® Dura Slope In-Line Catch Basin with DS-604 Cast Iron Brick Grate RAW

    Regular price From $672.31 USD
    Regular price Sale price From $672.31 USD
    Unit price /  per 
  • NDS500S-BA-STAR-A NDS SAND MINI CHANNEL BRONZE AGE STARS ALUMINUM GRATE

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Stars Grate - Aluminum

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Stars Grate - Aluminum

    Regular price From $336.47 USD
    Regular price Sale price From $336.47 USD
    Unit price /  per 
  • New Image Coming Soon

    NDS® Dura Slope In-Line Catch Basin with DS-232 Ductile Iron Grate and Frame

    NDS® Dura Slope In-Line Catch Basin with DS-232 Ductile Iron Grate and Frame

    Regular price From $710.91 USD
    Regular price Sale price From $710.91 USD
    Unit price /  per 
  • NDS2411 NDS black plastic slotted grate for 24x24" catch basins

    NDS 2411 Class B Slotted HDPE 24" x 24" Grate - BLACK

    NDS 2411 Class B Slotted HDPE 24" x 24" Grate - BLACK

    Regular price $578.65 USD
    Regular price Sale price $578.65 USD
    Unit price /  per 
  • nds540-white-slotted-grate-TDS

    NDS 540 Class B ADA Compliant Heel-Proof HDPE 3" x 36" Grate - WHITE

    NDS 540 Class B ADA Compliant Heel-Proof HDPE 3" x 36" Grate - WHITE

    Regular price $29.28 USD
    Regular price Sale price $29.28 USD
    Unit price /  per 
  • New Image Coming Soon

    ULMA D100 Drain Channel w/406 Mesh HP Galvanized Grate - Class B

    Sale

    ULMA D100 Drain Channel w/406 Mesh HP Galvanized Grate - Class B

    Regular price From $349.10 USD
    Regular price $387.65 USD Sale price From $349.10 USD
    Unit price /  per 
    Sale
  • NDS Dura Slope Inline Catch Basin with DS-232 Grate

    NDS® Dura Slope In-Line Catch Basin with DS-232 Ductile Iron Grate

    NDS® Dura Slope In-Line Catch Basin with DS-232 Ductile Iron Grate

    Regular price From $640.03 USD
    Regular price Sale price From $640.03 USD
    Unit price /  per 
  • NDS500S-BA-STAR NDS Sand Mini Channel Bronze Age Natural Star Grate

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Star Grate - Natural

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Star Grate - Natural

    Regular price From $471.47 USD
    Regular price Sale price From $471.47 USD
    Unit price /  per 
  • New Image Coming Soon

    NDS® Dura Slope In-Line Catch Basin with DS-603 Cast Iron Tile Grate RAW

    NDS® Dura Slope In-Line Catch Basin with DS-603 Cast Iron Tile Grate RAW

    Regular price From $672.31 USD
    Regular price Sale price From $672.31 USD
    Unit price /  per 
  • NDS 555CI Class B ADA Compliant Wave Cast Iron 3" x 12" Grate - RAW

    NDS 555CI Class B ADA Compliant Wave Cast Iron 3" x 12" Grate - RAW

    NDS 555CI Class B ADA Compliant Wave Cast Iron 3" x 12" Grate - RAW

    Regular price $78.76 USD
    Regular price Sale price $78.76 USD
    Unit price /  per 
  • NDS 12" Low Profile Catch Basin Kit w/FG-MICRO Fiberglass Micro Mesh Grate

    NDS 12" Low Profile Catch Basin Kit w/FG-MICRO Fiberglass Micro Mesh Grate

    NDS 12" Low Profile Catch Basin Kit w/FG-MICRO Fiberglass Micro Mesh Grate

    Regular price From $173.62 USD
    Regular price Sale price From $173.62 USD
    Unit price /  per 
  • RG-151224-AB

    RG-151224-AB Heavy Duty Ductile Iron Slotted 12″ x 24″ x 1.5″ Grate | TDS

    RG-151224-AB Heavy Duty Ductile Iron Slotted 12″ x 24″ x 1.5″ Grate | TDS

    Regular price $217.44 USD
    Regular price Sale price $217.44 USD
    Unit price /  per 
  • BA-PED-0312 Bronze Brushed Mini Channel Pedreda Grate with logo

    Bronze Age BA-PED-0312-B Class A Pedreda Bronze Brushed Finish 3" X 12" Grate

    Bronze Age BA-PED-0312-B Class A Pedreda Bronze Brushed Finish 3" X 12" Grate

    Regular price $152.50 USD
    Regular price Sale price $152.50 USD
    Unit price /  per 
  • Stainless Steel Perforated 3 inch Mini Channel Grate

    Perforated 316 Stainless Steel Grate 3″x36″ Load Class B

    Perforated 316 Stainless Steel Grate 3″x36″ Load Class B

    Regular price $249.00 USD
    Regular price Sale price $249.00 USD
    Unit price /  per 
  • NDS-Dura-665-TDSdrains brick red slotted

    NDS DS-665 Class B ADA Compliant Slotted Polyolefin 6" x 24" Grate - BRICK RED

    NDS DS-665 Class B ADA Compliant Slotted Polyolefin 6" x 24" Grate - BRICK RED

    Regular price $70.40 USD
    Regular price Sale price $70.40 USD
    Unit price /  per 
  • NDS 554 - Box of 16 - Class B ADA Compliant Botanical Polyolefin 3" x 36" Grate - BLACK

    NDS 554 - Box of 16 - Class B ADA Compliant Botanical Polyolefin 3" x 36" Grate - BLACK

    NDS 554 - Box of 16 - Class B ADA Compliant Botanical Polyolefin 3" x 36" Grate - BLACK

    Regular price $596.76 USD
    Regular price Sale price $596.76 USD
    Unit price /  per 
  • New Image Coming Soon

    NDS® Dura Slope In-Line Catch Basin with DS-602 Cast Iron Diamond Grate RAW

    NDS® Dura Slope In-Line Catch Basin with DS-602 Cast Iron Diamond Grate RAW

    Regular price From $672.31 USD
    Regular price Sale price From $672.31 USD
    Unit price /  per 
  • NDS 555GY - Box of 16 - Class B ADA Compliant Wave Polyolefin 3" x 36" Grate - GRAY

    NDS 555GY - Box of 16 - Class B ADA Compliant Wave Polyolefin 3" x 36" Grate - GRAY

    NDS 555GY - Box of 16 - Class B ADA Compliant Wave Polyolefin 3" x 36" Grate - GRAY

    Regular price $596.74 USD
    Regular price Sale price $596.74 USD
    Unit price /  per 
  • NDS Dura Slope Inline Catch Basin with DS-226 Grate

    NDS® Dura Slope In-Line Catch Basin with DS-226 Perforated Stainless Grate - ADA Compliant

    NDS® Dura Slope In-Line Catch Basin with DS-226 Perforated Stainless Grate - ADA Compliant

    Regular price From $778.58 USD
    Regular price Sale price From $778.58 USD
    Unit price /  per 
  • NDS 555 - Box of 16 - Class B ADA Compliant Wave Polyolefin 3" x 36" Grate - BLACK

    NDS 555 - Box of 16 - Class B ADA Compliant Wave Polyolefin 3" x 36" Grate - BLACK

    NDS 555 - Box of 16 - Class B ADA Compliant Wave Polyolefin 3" x 36" Grate - BLACK

    Regular price $596.76 USD
    Regular price Sale price $596.76 USD
    Unit price /  per 
  • ULMA D100 with 410 perforated stainless steel grate

    ULMA D100 Drain Channel w/410 Perforated w/Tread Galvanized Grate - Class A

    Sale

    ULMA D100 Drain Channel w/410 Perforated w/Tread Galvanized Grate - Class A

    Regular price From $249.86 USD
    Regular price $262.54 USD Sale price From $249.86 USD
    Unit price /  per 
    Sale
  • nds542-green-slotted-grate-TDS

    NDS 542 Class B ADA Compliant Heel-Proof HDPE 3" x 36" Grate - GREEN

    NDS 542 Class B ADA Compliant Heel-Proof HDPE 3" x 36" Grate - GREEN

    Regular price $29.28 USD
    Regular price Sale price $29.28 USD
    Unit price /  per 
  • NDS-671 WHITE Dura Slope Plastic Perforated Grate

    NDS® DS-671 Class B ADA Compliant Perforated Polyolefin 6" x 24" Grate - WHITE

    NDS® DS-671 Class B ADA Compliant Perforated Polyolefin 6" x 24" Grate - WHITE

    Regular price $70.40 USD
    Regular price Sale price $70.40 USD
    Unit price /  per 
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Resources

Shipping / Returns

Determining Your Grate Size

Load Class Chart

Installer Map

Drainage News

  • How Do You Clean Out a Trench Drain Without Damaging It?

    May 27, 2026
  • What is Load Class and Why Is It Important?

    Feb 23, 2024
  • Keeping Livestock Safe – Grate Ideas

    Feb 02, 2024
  • TDS Bronze Age™ Collection

    Oct 31, 2023

On Sale

  • ULMA 424 / GN100KCC, Class C, Slotted Reinforced Galvanized Steel 124mm x 1M Grate

    ULMA 424 / GN100KCC, Class C, Slotted Reinforced Galvanized Steel 124mm x 1M Grate

    $80.36 $62.50
  • ULMA 420 / GN100KCA, Class A, Slotted Galvanized Steel 122mm x 1M Grate

    ULMA 420 / GN100KCA, Class A, Slotted Galvanized Steel 122mm x 1M Grate

    $37.45 $26.22
  • LD100X-2 Locking Device for ULMA Grates

    LD100X-2 Locking Device for ULMA Grates

    $12.96 $10.08
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