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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
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      • Load Class A
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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
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  • Spee-D BA Cathedral Galvanized Grate

    Bronze Age TDS-CATH-0448 Galvanized Steel 4.09" x 48" (Nominal) Grate

    Bronze Age TDS-CATH-0448 Galvanized Steel 4.09" x 48" (Nominal) Grate

    Regular price $125.40 USD
    Regular price Sale price $125.40 USD
    Unit price /  per 
  • TP0650S Catch Basin with DG0630 SS Cathedral

    TV0650S (Shallow) Catch Basin Kit w/ DG0630H for POLYCAST®

    TV0650S (Shallow) Catch Basin Kit w/ DG0630H for POLYCAST®

    Regular price $520.02 USD
    Regular price Sale price $520.02 USD
    Unit price /  per 
  • POLYCAST500 with SS Edging and SS Cathedral Grate

    POLYCAST 500 Kit w/ Stainless Steel Edging and DG0630 Cathedral Grate | Class A

    POLYCAST 500 Kit w/ Stainless Steel Edging and DG0630 Cathedral Grate | Class A

    Regular price From $481.59 USD
    Regular price Sale price From $481.59 USD
    Unit price /  per 
  • MMG-SS-CATH MAX Mini kit with gray channel and stainless steel grate

    TDS™ 3" Gray MAX Mini w/Cathedral HP 316L Stainless Steel Grate & Stainless Steel Edge

    TDS™ 3" Gray MAX Mini w/Cathedral HP 316L Stainless Steel Grate & Stainless Steel Edge

    Regular price From $704.11 USD
    Regular price Sale price From $704.11 USD
    Unit price /  per 
  • SS600 STAINLESS CHANNEL WITH STAINLESS CATHEDRAL GRATE

    SS600 Stainless Steel Drain Kit w/ DG0630 CATHEDRAL 304 Stainless Grate | Class A

    SS600 Stainless Steel Drain Kit w/ DG0630 CATHEDRAL 304 Stainless Grate | Class A

    Regular price From $1,449.84 USD
    Regular price Sale price From $1,449.84 USD
    Unit price /  per 
  • Spee-D BA Cathedral Stainless Steel Grate

    Bronze Age™ TDS-CATH-0424-S 304 Stainless Steel 4.09" x 24" Grate

    Bronze Age™ TDS-CATH-0424-S 304 Stainless Steel 4.09" x 24" Grate

    Regular price $156.20 USD
    Regular price Sale price $156.20 USD
    Unit price /  per 
  • POLYCAST 500 Kit w/ Galvanized Edging and DG0620 Cathedral Grate | Class A

    POLYCAST 500 Kit w/ Galvanized Edging and DG0620 Cathedral Grate | Class A

    POLYCAST 500 Kit w/ Galvanized Edging and DG0620 Cathedral Grate | Class A

    Regular price From $369.65 USD
    Regular price Sale price From $369.65 USD
    Unit price /  per 
  • TP0650S Catch Basin with DG0630 SS Cathedral and SS Edging

    TV0650S (Shallow) Catch Basin Kit w/ DG0630H & Stainless Edge for POLYCAST®

    TV0650S (Shallow) Catch Basin Kit w/ DG0630H & Stainless Edge for POLYCAST®

    Regular price $585.52 USD
    Regular price Sale price $585.52 USD
    Unit price /  per 
  • POLYCAST 600 DG0650 Catch Basin with steel Edge and Grates in Cathedral

    POLYCAST® DP0650 Inline Catch Basin w/DG0620H Galvanized Cathedral Grate & Edge

    POLYCAST® DP0650 Inline Catch Basin w/DG0620H Galvanized Cathedral Grate & Edge

    Regular price $498.16 USD
    Regular price Sale price $498.16 USD
    Unit price /  per 
  • NDS1200-catch-basin-botanical-cast iron grate

    NDS 12" Catch Basin Kit with NDS Botanical Grate | Natural

    NDS 12" Catch Basin Kit with NDS Botanical Grate | Natural

    Regular price From $378.24 USD
    Regular price Sale price From $378.24 USD
    Unit price /  per 
  • MAX Mini Cathedral Brushed Bronze Grates and Oil Rubbed Edging

    TDS™ 3" Sand MAX Mini w/ Brushed Bronze Cathedral Grates & Oil Rubbed Bronze Edge

    TDS™ 3" Sand MAX Mini w/ Brushed Bronze Cathedral Grates & Oil Rubbed Bronze Edge

    Regular price From $1,198.59 USD
    Regular price Sale price From $1,198.59 USD
    Unit price /  per 
  • POLY700-AA-641D-TDSdrains cast iron frame ductile iron slotted grate polymer concrete channel Polycast

    POLYCAST 700 Series Kit w/ DG0641D Slotted Ductile Iron Grate & Frame

    POLYCAST 700 Series Kit w/ DG0641D Slotted Ductile Iron Grate & Frame

    Regular price From $286.76 USD
    Regular price Sale price From $286.76 USD
    Unit price /  per 
  • NDS900-catch-basin 9x9 NDS

    NDS 9" Catch Basin Kit with Iron Age Interlaken Grate | Natural

    NDS 9" Catch Basin Kit with Iron Age Interlaken Grate | Natural

    Regular price From $261.78 USD
    Regular price Sale price From $261.78 USD
    Unit price /  per 
  • BA-CATH-0336 Stainless Steel Slot 3x36

    Bronze Age TDS-CATH-0336-L Cathedral 316L Stainless Steel 3″x36″ Grate Load Class B

    Bronze Age TDS-CATH-0336-L Cathedral 316L Stainless Steel 3″x36″ Grate Load Class B

    Regular price $249.00 USD
    Regular price Sale price $249.00 USD
    Unit price /  per 
  • MCKS-TDS571-TDSdrains Sand Mini Channel with Aluminum Cathedral Grate

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

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

    Regular price From $336.47 USD
    Regular price Sale price From $336.47 USD
    Unit price /  per 
  • MMS-SB-570B bushed satin cathedral mini channel max mini

    TDS™ 3" Sand MAX Mini w/ Brushed Bronze Cathedral Grate & Satin Bronze Edge

    TDS™ 3" Sand MAX Mini w/ Brushed Bronze Cathedral Grate & Satin Bronze Edge

    Regular price From $1,198.59 USD
    Regular price Sale price From $1,198.59 USD
    Unit price /  per 
  • Polycast600 DP0650 Catch Basin with Galvanized Steel Cathedral Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0620H Galvanized Cathedral Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0620H Galvanized Cathedral Grate

    Regular price $432.66 USD
    Regular price Sale price $432.66 USD
    Unit price /  per 
  • DG0630 CATHEDRAL Stainless Steel POLYCAST and SS600

    Bronze Age DG0630 CATH 304 Stainless Steel 5.25" x 48" (Nominal) Grate | Class A

    Bronze Age DG0630 CATH 304 Stainless Steel 5.25" x 48" (Nominal) Grate | Class A

    Regular price $176.33 USD
    Regular price Sale price $176.33 USD
    Unit price /  per 
  • NDS-24x24CB-IA-LOC-DK raw iron age grate nds catch basin

    NDS 24" Catch Basin Kit with Iron age Locust Grate | Natural

    NDS 24" Catch Basin Kit with Iron age Locust Grate | Natural

    Regular price From $1,548.93 USD
    Regular price Sale price From $1,548.93 USD
    Unit price /  per 
  • BA-CATH-0336 Stainless Steel Slot 3x36

    Bronze Age™ TDS-CATH-0312-L Cathedral 316L Stainless Steel 3″x12″ Grate

    Bronze Age™ TDS-CATH-0312-L Cathedral 316L Stainless Steel 3″x12″ Grate

    Regular price $83.00 USD
    Regular price Sale price $83.00 USD
    Unit price /  per 
  • NDS1200-catch-basin-wave-grate

    NDS 12" Catch Basin Kit with NDS Wave Grate | Natural

    NDS 12" Catch Basin Kit with NDS Wave Grate | Natural

    Regular price From $356.97 USD
    Regular price Sale price From $356.97 USD
    Unit price /  per 
  • Botanical Natural in Grey Mini channel

    NDS 3" Gray Mini Channel Kit with NDS Botanical Grate - Natural

    NDS 3" Gray Mini Channel Kit with NDS Botanical Grate - Natural

    Regular price From $293.70 USD
    Regular price Sale price From $293.70 USD
    Unit price /  per 
  • NDS1882-catch-basin 18x18 NDS

    NDS 18" Catch Basin Kit with Iron Age Interlaken Grate | Natural

    NDS 18" Catch Basin Kit with Iron Age Interlaken Grate | Natural

    Regular price From $987.08 USD
    Regular price Sale price From $987.08 USD
    Unit price /  per 
  • Polycast600 DP0650 Catch Basin with Stainless Steel Edge & Cathedral Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0630H Stainless Cathedral Grate & Edge

    POLYCAST® DP0650 Inline Catch Basin w/DG0630H Stainless Cathedral Grate & Edge

    Regular price $525.21 USD
    Regular price Sale price $525.21 USD
    Unit price /  per 
  • Iron Age Botanical Cast Iron Grate with NDS Sand Mini Channel MCKS-554CI-TDSdrains

    NDS 3" Sand Mini Channel Kit with NDS Botanical Grate - Natural

    NDS 3" Sand Mini Channel Kit with NDS Botanical Grate - Natural

    Regular price From $299.74 USD
    Regular price Sale price From $299.74 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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