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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
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      • 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
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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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  • ULMA HYDROPLUS with Iron Age Janis BoOF Cast Iron Grate

    ULMA HYDROPLUS with Iron Age IA-JANIS-BF-0520 Janis BoOF Cast Iron Grate Class B

    Sale

    ULMA HYDROPLUS with Iron Age IA-JANIS-BF-0520 Janis BoOF Cast Iron Grate Class B

    Regular price From $559.11 USD
    Regular price $583.04 USD Sale price From $559.11 USD
    Unit price /  per 
    Sale
  • ULMA HYDROPLUS with Interlaken Heel Proof Raw Grate

    ULMA HYDROPLUS w/ Class B Iron Age IA-INTER-HP-0520 Interlaken Heel Proof Raw Cast Iron Grate

    Sale

    ULMA HYDROPLUS w/ Class B Iron Age IA-INTER-HP-0520 Interlaken Heel Proof Raw Cast Iron Grate

    Regular price From $441.85 USD
    Regular price $465.78 USD Sale price From $441.85 USD
    Unit price /  per 
    Sale
  • ULMA HYDRO PLUS with Galvanized Slotted 420-Class A

    ULMA HYDROPLUS with 420 / GN100KCA Galvanized Slotted Grate Class A

    Sale

    ULMA HYDROPLUS with 420 / GN100KCA Galvanized Slotted Grate Class A

    Regular price From $112.01 USD
    Regular price $145.13 USD Sale price From $112.01 USD
    Unit price /  per 
    Sale
  • 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
  • New Image Coming Soon

    Zurn ZF806 Flo-Thru® Drain with P6-DGE Ductile Iron Grate - HD Z Frame

    Zurn ZF806 Flo-Thru® Drain with P6-DGE Ductile Iron Grate - HD Z Frame

    Regular price From $2,431.80 USD
    Regular price Sale price From $2,431.80 USD
    Unit price /  per 
  • MMG-BF-BARS

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

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

    Regular price From $1,033.59 USD
    Regular price Sale price From $1,033.59 USD
    Unit price /  per 
  • PCK6-CB06S-DG0670 TDS for Polycast with DG0670 Grate

    TV0650S (Shallow) Catch Basin Kit w/ DG0670 for POLYCAST®

    TV0650S (Shallow) Catch Basin Kit w/ DG0670 for POLYCAST®

    Regular price $442.54 USD
    Regular price Sale price $442.54 USD
    Unit price /  per 
  • FG1248R Galvanized Steel Bar Grate for FP1200

    TDS DG1248R Class C Galvanized Steel 14" x 24" x 1.5" Grate

    TDS DG1248R Class C Galvanized Steel 14" x 24" x 1.5" Grate

    Regular price $556.14 USD
    Regular price Sale price $556.14 USD
    Unit price /  per 
  • Hydro Plus with 486 Vinylester .9 inch center 1M Grate Class B

    ULMA HYDROPLUS with (486) Vinyl Ester FRP (0.9" on center) 1M Grates Class B

    Sale

    ULMA HYDROPLUS with (486) Vinyl Ester FRP (0.9" on center) 1M Grates Class B

    Regular price From $242.81 USD
    Regular price $309.57 USD Sale price From $242.81 USD
    Unit price /  per 
    Sale
  • TP0650S-CF-657RH Inline catch basin with cast iron frame and perforated stainless steel grates

    TV0750S (Shallow) Catch Basin Kit w/ DG0657R for POLYCAST®-Ductile Iron Frame

    TV0750S (Shallow) Catch Basin Kit w/ DG0657R for POLYCAST®-Ductile Iron Frame

    Regular price $806.26 USD
    Regular price Sale price $806.26 USD
    Unit price /  per 
  • TP0650S Catch Basin with DG0655 Stainless Steel Wedge Wire Grate

    TV0650S (Shallow) Catch Basin Kit w/ DG0655H for POLYCAST®

    TV0650S (Shallow) Catch Basin Kit w/ DG0655H for POLYCAST®

    Regular price $693.35 USD
    Regular price Sale price $693.35 USD
    Unit price /  per 
  • TP0650S Catch Basin with DG0675HD Grate

    TV0650S (Shallow) Catch Basin Kit w/ DG0675HD for POLYCAST®

    TV0650S (Shallow) Catch Basin Kit w/ DG0675HD for POLYCAST®

    Regular price $460.19 USD
    Regular price Sale price $460.19 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST 500 Series Kit with DG0641D-G Slotted Ductile Iron-Galvanized Grate

    POLYCAST 500 Series Kit with DG0641D-G Slotted Ductile Iron-Galvanized Grate

    Regular price From $368.66 USD
    Regular price Sale price From $368.66 USD
    Unit price /  per 
  • HYDROPLUS 5 inch Channel showing side outlet

    ULMA HYDROPLUS Channel 1M Section

    Sale

    ULMA HYDROPLUS Channel 1M Section

    Regular price $20.00 USD
    Regular price $20.00 USD Sale price $20.00 USD
    Unit price /  per 
    Sale
  • Neenah R-4990-DX-A Heavy Duty Cast Iron 14" x 24" x 1.5" Grate

    Neenah R-4990-DX-A Heavy Duty Cast Iron 14" x 24" x 1.5" Grate

    Neenah R-4990-DX-A Heavy Duty Cast Iron 14" x 24" x 1.5" Grate

    Regular price $410.00 USD
    Regular price Sale price $410.00 USD
    Unit price /  per 
  • MV+200DI-658

    ULMA MV+200D w/ 658 HP Ductile Iron Slotted Grate Class C

    Sale

    ULMA MV+200D w/ 658 HP Ductile Iron Slotted Grate Class C

    Regular price From $189.92 USD
    Regular price $244.18 USD Sale price From $189.92 USD
    Unit price /  per 
    Sale
  • MMS-BF-BA-BARS-B

    TDS™ 3" Sand MAX Mini w/ Brushed Bronze BARS Grate & Oil Rubbed Bronze Edge

    TDS™ 3" Sand MAX Mini w/ Brushed Bronze BARS Grate & Oil Rubbed Bronze Edge

    Regular price $1,198.59 USD
    Regular price Sale price $1,198.59 USD
    Unit price /  per 
  • Micro Mesh Molded Fiberglass Grating

    FG-MICRO-CB18 Class A ADA Compliant 18" x 18" Grate - Dark GRAY

    FG-MICRO-CB18 Class A ADA Compliant 18" x 18" Grate - Dark GRAY

    Regular price $303.81 USD
    Regular price Sale price $303.81 USD
    Unit price /  per 
  • PCK6-DG0640-GE POLYCAST with Galvanized Steel Slotted Grate and Edging

    POLYCAST 600 Series Kit w/ DG0640 Slotted Galvanized Grate and Edging | Load Class B

    POLYCAST 600 Series Kit w/ DG0640 Slotted Galvanized Grate and Edging | Load Class B

    Regular price From $237.34 USD
    Regular price Sale price From $237.34 USD
    Unit price /  per 
  • HYDROPLUS with Interlaken Cast Iron BoOF Grate IA-INTER-0520-BF

    ULMA HYDROPLUS with Iron Age IA-INTER-0520-BF Interlaken BoOF Cast Iron Grate Class B

    Sale

    ULMA HYDROPLUS with Iron Age IA-INTER-0520-BF Interlaken BoOF Cast Iron Grate Class B

    Regular price From $551.97 USD
    Regular price $573.86 USD Sale price From $551.97 USD
    Unit price /  per 
    Sale
  • Zurn-P6-HPDE Z886 Z806 Class E slotted heel-proof Ductile Iron Grate

    Zurn P6-HPDE-USA Class E Slotted Heel-Proof Ductile Iron 6" x 20" Grate

    Zurn P6-HPDE-USA Class E Slotted Heel-Proof Ductile Iron 6" x 20" Grate

    Regular price $311.20 USD
    Regular price Sale price $311.20 USD
    Unit price /  per 
  • New Image Coming Soon

    ULMA HYDROPLUS w/ WAVE Ductile Iron Grate - Class C

    Sale

    ULMA HYDROPLUS w/ WAVE Ductile Iron Grate - Class C

    Regular price From $267.93 USD
    Regular price $291.86 USD Sale price From $267.93 USD
    Unit price /  per 
    Sale
  • New Image Coming Soon

    POLYCAST 700 Series Kit w/ DG0641D-G Slotted Ductile Iron-Galvanized Grate & HDPE Frame

    POLYCAST 700 Series Kit w/ DG0641D-G Slotted Ductile Iron-Galvanized Grate & HDPE Frame

    Regular price From $289.60 USD
    Regular price Sale price From $289.60 USD
    Unit price /  per 
  • MMS-BF-STARS-B

    TDS™ 3" Sand MAX Mini w/ Brushed Bronze Star Grate & Oil Rubbed Bronze Edge

    TDS™ 3" Sand MAX Mini w/ Brushed Bronze Star Grate & Oil Rubbed Bronze Edge

    Regular price From $1,198.59 USD
    Regular price Sale price From $1,198.59 USD
    Unit price /  per 
  • BA-PED-0312-BF TDS Bronze Age Pedreda BoOF grate

    TDS® 3" Sand Max Mini w/ Bronze Age™ Pedreda Grate - BoOF & Oil Rubbed Bronze Edge

    TDS® 3" Sand Max Mini w/ Bronze Age™ Pedreda Grate - BoOF & Oil Rubbed Bronze Edge

    Regular price From $721.68 USD
    Regular price Sale price From $721.68 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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