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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
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      • Plastic
      • Polymer Concrete
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      • 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
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      • 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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  • DP0650-Catch Basin

    POLYCAST® DP0750 Inline Catch Basin w/FG0644SPH Fiberglass Slot Grate & HDPE Frame

    POLYCAST® DP0750 Inline Catch Basin w/FG0644SPH Fiberglass Slot Grate & HDPE Frame

    Regular price $560.82 USD
    Regular price Sale price $560.82 USD
    Unit price /  per 
  • MV+200KX-661

    ULMA MV+200KX w/ 661 Ductile Iron 9X20 Slotted Grate Class E

    Sale

    ULMA MV+200KX w/ 661 Ductile Iron 9X20 Slotted Grate Class E

    Regular price From $267.63 USD
    Regular price $344.10 USD Sale price From $267.63 USD
    Unit price /  per 
    Sale
  • NDS-253-TDSdrains

    NDS 253 Class B ADA Compliant Wave HDPE 4" x 24" Grate -BLACK

    NDS 253 Class B ADA Compliant Wave HDPE 4" x 24" Grate -BLACK

    Regular price $55.42 USD
    Regular price Sale price $55.42 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 
  • 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 
  • ULMA Stainless Steel Perforated Grate IP100KCA 440_IP100KCAM 441

    ULMA 440 / IP100KCA Class A Perforated w/Tread Stainless Steel 124mm x 1M Grate

    Sale

    ULMA 440 / IP100KCA Class A Perforated w/Tread Stainless Steel 124mm x 1M Grate

    Regular price $107.66 USD
    Regular price $138.42 USD Sale price $107.66 USD
    Unit price /  per 
    Sale
  • New Image Coming Soon

    TP0650S (Shallow) Catch Basin Kit w/ DG0641D-G & Galvanized Edge for POLYCAST®

    TP0650S (Shallow) Catch Basin Kit w/ DG0641D-G & Galvanized Edge for POLYCAST®

    Regular price $392.99 USD
    Regular price Sale price $392.99 USD
    Unit price /  per 
  • 5inch-cast-iron-grate-Minione-raw

    Iron Age IA-MIN-0520 Class B Minnione Cast Iron 122mm x 500mm Grate - RAW

    Iron Age IA-MIN-0520 Class B Minnione Cast Iron 122mm x 500mm Grate - RAW

    Regular price $174.46 USD
    Regular price Sale price $174.46 USD
    Unit price /  per 
  • POLYCAST 600 Series Kit w/ DG0670G Gray Plastic Grate & Stainless Edging - Load Class A

    POLYCAST 600 Series Kit w/ DG0670G Gray Plastic Grate & Stainless Edging - Load Class A

    POLYCAST 600 Series Kit w/ DG0670G Gray Plastic Grate & Stainless Edging - Load Class A

    Regular price From $250.19 USD
    Regular price Sale price From $250.19 USD
    Unit price /  per 
  • NDS831 Shallow channel end cap/outlet

    NDS 831 Pro Series 8 Channel End Cap / Knockout End Outlet

    NDS 831 Pro Series 8 Channel End Cap / Knockout End Outlet

    Regular price $48.50 USD
    Regular price Sale price $48.50 USD
    Unit price /  per 
  • TP0650S Catch basin with DG0692 Patriot ductile iron grate

    TP0650S (Shallow) Polymer Concrete Catch Basin Kit w/DG0692 for POLYCAST®

    TP0650S (Shallow) Polymer Concrete Catch Basin Kit w/DG0692 for POLYCAST®

    Regular price $355.05 USD
    Regular price Sale price $355.05 USD
    Unit price /  per 
  • DP0650-GE-646H Polycast 600 Inline Catch Basin with Galvanized Edge and 646 perforated grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0646RH Reinforced Perforated Galvanized Grate & Edge

    POLYCAST® DP0650 Inline Catch Basin w/DG0646RH Reinforced Perforated Galvanized Grate & Edge

    Regular price $579.76 USD
    Regular price Sale price $579.76 USD
    Unit price /  per 
  • U100K-TDS0461 cast iron class E grate ulma polymer concrete channel

    ULMA U100K Drainage Kit w/ TDS 461D Slotted Ductile Iron Grate

    Sale

    ULMA U100K Drainage Kit w/ TDS 461D Slotted Ductile Iron Grate

    Regular price From $1,433.51 USD
    Regular price $1,833.08 USD Sale price From $1,433.51 USD
    Unit price /  per 
    Sale
  • TP0650S - Catch Basin w/ DG0640R Galvanized Slotted Grate

    TP0650S (Shallow) Catch Basin Kit w/ DG0640RH for POLYCAST®

    TP0650S (Shallow) Catch Basin Kit w/ DG0640RH for POLYCAST®

    Regular price $457.90 USD
    Regular price Sale price $457.90 USD
    Unit price /  per 
  • TP0650S - Catch Basin w/ DG0640R Galvanized Slotted Grate

    TV0650S (Shallow) VE Catch Basin Kit w/ DG0640RH for POLYCAST®

    TV0650S (Shallow) VE Catch Basin Kit w/ DG0640RH for POLYCAST®

    Regular price $604.25 USD
    Regular price Sale price $604.25 USD
    Unit price /  per 
  • NDS 253GY - Box of 12 - Class B ADA Compliant Wave HDPE 4" x 24" (Nominal) Grate - GRAY

    NDS 253GY - Box of 12 - Class B ADA Compliant Wave HDPE 4" x 24" (Nominal) Grate - GRAY

    NDS 253GY - Box of 12 - Class B ADA Compliant Wave HDPE 4" x 24" (Nominal) Grate - GRAY

    Regular price $665.06 USD
    Regular price Sale price $665.06 USD
    Unit price /  per 
  • SS600 stainless steel channel with DG0644 fiberglass grate

    SS600 Stainless Steel Drain Kit w/ FG0644 Fiberglass Bar Grate | Class B

    SS600 Stainless Steel Drain Kit w/ FG0644 Fiberglass Bar Grate | Class B

    Regular price From $3,820.46 USD
    Regular price Sale price From $3,820.46 USD
    Unit price /  per 
  • PCK6-CB06S-DG0669-SE TDS for Polycast 650 Shallow Catch Basin with Stainless Steel Edge and 669 Stainless Bar Grate

    TP0650S (Shallow) Polymer Concrete Catch Basin Kit w/ DG0669 for POLYCAST®

    TP0650S (Shallow) Polymer Concrete Catch Basin Kit w/ DG0669 for POLYCAST®

    Regular price $820.06 USD
    Regular price Sale price $820.06 USD
    Unit price /  per 
  • ULMA U100KX with Stainless Steel Edge and Stainless Steel Slotted Grate

    ULMA U100KX w/ Reinforced Stainless Steel Slotted Grate (454) Class C

    Sale

    ULMA U100KX w/ Reinforced Stainless Steel Slotted Grate (454) Class C

    Regular price From $296.01 USD
    Regular price $380.58 USD Sale price From $296.01 USD
    Unit price /  per 
    Sale
  • PCK6-CB06S-DG0669-SE TDS for Polycast 650 Shallow Catch Basin with Stainless Steel Edge and 669 Stainless Bar Grate

    TP0650S (Shallow) Catch Basin Kit w/ DG0669 & Stainless Edge for POLYCAST®

    TP0650S (Shallow) Catch Basin Kit w/ DG0669 & Stainless Edge for POLYCAST®

    Regular price $892.31 USD
    Regular price Sale price $892.31 USD
    Unit price /  per 
  • POLYCAST500 with SS Edging and SS Slot Grate

    POLYCAST 500 Kit w/ Stainless Steel Edging and DG0631 Transverse Slotted Grate | Class A

    POLYCAST 500 Kit w/ Stainless Steel Edging and DG0631 Transverse Slotted Grate | Class A

    Regular price From $484.09 USD
    Regular price Sale price From $484.09 USD
    Unit price /  per 
  • Polycast 600 with DG0647R Reinforced Slotted grates with Stainless Steel Edges

    POLYCAST 600 Series Kit with DG0647R Reinforced Slotted Stainless Grate and Edging

    POLYCAST 600 Series Kit with DG0647R Reinforced Slotted Stainless Grate and Edging

    Regular price From $567.82 USD
    Regular price Sale price From $567.82 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST® DP0650 Inline Catch Basin w/DG0675G HDPE Transverse Slotted Grate & Stainless Edge

    POLYCAST® DP0650 Inline Catch Basin w/DG0675G HDPE Transverse Slotted Grate & Stainless Edge

    Regular price $466.71 USD
    Regular price Sale price $466.71 USD
    Unit price /  per 
  • POLYCAST 700-PE-669-DK-TDSdrains

    POLYCAST® 700 Kit w/DG0669 Stainless Bar Grate & HDPE Frame

    POLYCAST® 700 Kit w/DG0669 Stainless Bar Grate & HDPE Frame

    Regular price From $1,516.80 USD
    Regular price Sale price From $1,516.80 USD
    Unit price /  per 
  • DP0650-XX-675HD Polycast 600 with Ductile Iron Transverse Slotted Grate

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

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

    Regular price $399.88 USD
    Regular price Sale price $399.88 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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