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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
      • Load Class C
      • Load Class D
      • Load Class E
      • Load Class F
      • 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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      • Bronze
      • Ductile/Cast Iron
      • Fiberglass
      • Galvanized Steel
      • Plastic
      • Stainless Steel
      • All Grate Materials
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  • New Image Coming Soon

    POLYCAST® DP0650 Inline Catch Basin w/DG0641D-G Slotted Ductile Iron Grate with Galvanized coating & Galv. Edge

    POLYCAST® DP0650 Inline Catch Basin w/DG0641D-G Slotted Ductile Iron Grate with Galvanized coating & Galv. Edge

    Regular price $479.02 USD
    Regular price Sale price $479.02 USD
    Unit price /  per 
  • TDS™ 3″ Gray MAX Mini w/ Brushed Bronze Slotted Grate & Satin Bronze Edge

    TDS™ 3″ Gray MAX Mini w/ Brushed Bronze Slotted Grate & Satin Bronze Edge

    TDS™ 3″ Gray MAX Mini w/ Brushed Bronze Slotted Grate & Satin Bronze Edge

    Regular price From $1,198.59 USD
    Regular price Sale price From $1,198.59 USD
    Unit price /  per 
  • U100K-462

    ULMA U100KX Drainage Kit w/TDS 462G Ductile Iron Grate

    Sale

    ULMA U100KX Drainage Kit w/TDS 462G Ductile Iron Grate

    Regular price From $154.89 USD
    Regular price $199.14 USD Sale price From $154.89 USD
    Unit price /  per 
    Sale
  • TP0650S-DG0641D-PF Catch Basin w/ Slotted Ductile Iron Grate with HDPE Frame

    TP0750S (Shallow) Catch Basin Kit w/ DG0641D for POLYCAST-HDPE Frame

    TP0750S (Shallow) Catch Basin Kit w/ DG0641D for POLYCAST-HDPE Frame

    Regular price $345.60 USD
    Regular price Sale price $345.60 USD
    Unit price /  per 
  • MMG-SB-PED-B

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze Pedreda Grates & Satin Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze Pedreda Grates & Satin Bronze Edge

    Regular price From $1,198.59 USD
    Regular price Sale price From $1,198.59 USD
    Unit price /  per 
  • MMG-SB-BA-PED MAX Mini Natural Pedreda with Bronze Veneer Edging

    TDS™ 3" Sand MAX Mini w/ Natural Bronze Pedreda Grates & Satin Bronze Edge

    TDS™ 3" Sand MAX Mini w/ Natural Bronze Pedreda Grates & Satin Bronze Edge

    Regular price From $1,033.59 USD
    Regular price Sale price From $1,033.59 USD
    Unit price /  per 
  • TDS™ 3" Sand MAX Mini w/ Natural Bronze Cathedral Grate & Satin Bronze Edge

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

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

    Regular price From $1,033.59 USD
    Regular price Sale price From $1,033.59 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST 500 Series Kit with DG0669 Stainless Bar Grate and Ductile Iron Frame

    POLYCAST 500 Series Kit with DG0669 Stainless Bar Grate and Ductile Iron Frame

    Regular price From $1,526.67 USD
    Regular price Sale price From $1,526.67 USD
    Unit price /  per 
  • MV+200KX-678

    ULMA MV+200KX w/ 678 HP Ductile Iron 9X20 Slotted Grate Class E

    Sale

    ULMA MV+200KX w/ 678 HP Ductile Iron 9X20 Slotted Grate Class E

    Regular price From $279.35 USD
    Regular price $359.16 USD Sale price From $279.35 USD
    Unit price /  per 
    Sale
  • POLY700-AA-640R

    POLYCAST®700 Kit w/ DG0640R Reinforced Galvanized Slotted Grate - Ductile Iron Frame

    POLYCAST®700 Kit w/ DG0640R Reinforced Galvanized Slotted Grate - Ductile Iron Frame

    Regular price From $725.50 USD
    Regular price Sale price From $725.50 USD
    Unit price /  per 
  • MAXMini Bronze Age Rain Drop Raw

    TDS™ 3" Sand MAX Mini w/ Natural Bronze Rain Drop Grate & Satin Bronze Edge

    TDS™ 3" Sand MAX Mini w/ Natural Bronze Rain Drop Grate & Satin Bronze Edge

    Regular price From $1,033.59 USD
    Regular price Sale price From $1,033.59 USD
    Unit price /  per 
  • TP0650S-AA-644SP

    TP0750S (Shallow) Catch Basin Kit w/ FG0644SPH for POLYCAST®-HDPE Frame

    TP0750S (Shallow) Catch Basin Kit w/ FG0644SPH for POLYCAST®-HDPE Frame

    Regular price $474.79 USD
    Regular price Sale price $474.79 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST® DP0650 Inline Catch Basin w/DG0675HD-G Transverse Slotted Ductile Iron-Galvanized Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0675HD-G Transverse Slotted Ductile Iron-Galvanized Grate

    Regular price $429.05 USD
    Regular price Sale price $429.05 USD
    Unit price /  per 
  • TDS MAX Mini with Bronze Edging and TDS560 Natural Bronze Slotted Grate

    TDS™ 3" MAX Mini w/ Natural Bronze Slotted Grate

    TDS™ 3" MAX Mini w/ Natural Bronze Slotted Grate

    Regular price From $1,025.11 USD
    Regular price Sale price From $1,025.11 USD
    Unit price /  per 
  • ULMA M100K Drain Channel kit w/Bronze Age™ PEDREDA Grate-RAW

    ULMA M100K Drain Channel kit w/Bronze Age™ PEDREDA Grate-RAW

    Sale

    ULMA M100K Drain Channel kit w/Bronze Age™ PEDREDA Grate-RAW

    Regular price From $351.07 USD
    Regular price $391.38 USD Sale price From $351.07 USD
    Unit price /  per 
    Sale
  • ULMA M100KX polymer concrete stainless steel edged channel with Iron Age Raw Cast Iron Minnione grate

    ULMA M100KX Kit with Iron Age MA5-20I21 Minnione Grate RAW

    Sale

    ULMA M100KX Kit with Iron Age MA5-20I21 Minnione Grate RAW

    Regular price From $600.77 USD
    Regular price $662.72 USD Sale price From $600.77 USD
    Unit price /  per 
    Sale
  • NDS-Wave-cast-iron-grate-TDSdrains

    NDS 253CI Class B ADA Compliant Wave Ductile Iron 4" x 24" Grate - RAW

    NDS 253CI Class B ADA Compliant Wave Ductile Iron 4" x 24" Grate - RAW

    Regular price $174.12 USD
    Regular price Sale price $174.12 USD
    Unit price /  per 
  • ULMA M100KX Drain Channel kit w/Bronze Age™ PEDREDA Grate-RAW

    ULMA M100KX Drain Channel kit w/Bronze Age™ PEDREDA Grate-RAW

    Sale

    ULMA M100KX Drain Channel kit w/Bronze Age™ PEDREDA Grate-RAW

    Regular price From $426.85 USD
    Regular price $488.80 USD Sale price From $426.85 USD
    Unit price /  per 
    Sale
  • MMG-SB-LUNA

    TDS™ 3" Gray MAX Mini w/ Natural Bronze Luna Grate & Satin Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Natural Bronze Luna Grate & Satin Bronze Edge

    Regular price From $1,033.59 USD
    Regular price Sale price From $1,033.59 USD
    Unit price /  per 
  • New Image Coming Soon

    ULMA HYDROPLUS w/ 465 Slotted Ductile Iron Grate - Class B

    Sale

    ULMA HYDROPLUS w/ 465 Slotted Ductile Iron Grate - Class B

    Regular price From $141.93 USD
    Regular price $179.86 USD Sale price From $141.93 USD
    Unit price /  per 
    Sale
  • MV+200K-678 ULMA MULTIV with galvanized edging and 678 grate

    ULMA MV+200K w/ 678 HP Ductile Iron 9X20 Slotted Grate Class E

    Sale

    ULMA MV+200K w/ 678 HP Ductile Iron 9X20 Slotted Grate Class E

    Regular price From $218.45 USD
    Regular price $280.86 USD Sale price From $218.45 USD
    Unit price /  per 
    Sale
  • New Image Coming Soon

    ULMA D100 Drain Channel w/465 Slotted Ductile Iron Grate - Class B

    Sale

    ULMA D100 Drain Channel w/465 Slotted Ductile Iron Grate - Class B

    Regular price From $288.64 USD
    Regular price $309.92 USD Sale price From $288.64 USD
    Unit price /  per 
    Sale
  • New Image Coming Soon

    POLYCAST 600 Series Kit w/ ADA DG0675HD-G Transverse Slotted Ductile Iron-Galvanized Grate & Edging

    POLYCAST 600 Series Kit w/ ADA DG0675HD-G Transverse Slotted Ductile Iron-Galvanized Grate & Edging

    Regular price From $277.24 USD
    Regular price Sale price From $277.24 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 
  • BA-DECO-0336 Stainless Steel Slot 3x36

    Bronze Age TDS-DECO-0336-L Square Deco 316L Stainless Steel 3″x36″ Grate Load Class B

    Bronze Age TDS-DECO-0336-L Square Deco 316L Stainless Steel 3″x36″ Grate Load Class B

    Regular price $249.00 USD
    Regular price Sale price $249.00 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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