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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
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      • Pour in Place (Concrete)
      • All Channel Materials
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    • Popular Manufacturers
      • TDS
      • Bronze Age
      • NDS
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    • 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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  • Spee-D BA Transverse Slotted Galvanized Grate

    Bronze Age™ TDS-SLOT-0424 Galvanized Steel 4.09" x 24" Grate

    Bronze Age™ TDS-SLOT-0424 Galvanized Steel 4.09" x 24" Grate

    Regular price $62.70 USD
    Regular price Sale price $62.70 USD
    Unit price /  per 
  • Spee-D BA Foam Galvanized Grate

    Bronze Age™ TDS-FOAM-0424 Galvanized Steel 4.09" x 24" Grate

    Bronze Age™ TDS-FOAM-0424 Galvanized Steel 4.09" x 24" Grate

    Regular price $62.70 USD
    Regular price Sale price $62.70 USD
    Unit price /  per 
  • Spee-D BA Cathedral Galvanized Grate

    Bronze Age™ TDS-CATH-0424 Galvanized Steel 4" x 24" Grate

    Bronze Age™ TDS-CATH-0424 Galvanized Steel 4" x 24" Grate

    Regular price $62.70 USD
    Regular price Sale price $62.70 USD
    Unit price /  per 
  • DG0640 POLYCAST Galvanized Slotted Grate

    POLYCAST DG0640 Slotted Galvanized 6" x 48" Grate | Load Class B

    POLYCAST DG0640 Slotted Galvanized 6" x 48" Grate | Load Class B

    Regular price $76.16 USD
    Regular price Sale price $76.16 USD
    Unit price /  per 
  • POLYCAST 500 Series Kit with DG0646 Perforated Galvanized Grate and Edging

    POLYCAST 500 Series Kit with DG0646 Perforated Galvanized Grate and Edging

    POLYCAST 500 Series Kit with DG0646 Perforated Galvanized Grate and Edging

    Regular price From $341.73 USD
    Regular price Sale price From $341.73 USD
    Unit price /  per 
  • NDS 254 Galvanized Steel Slotted Grates

    NDS 254 Galvanized Slotted 4" x 24" Class B Grate

    NDS 254 Galvanized Slotted 4" x 24" Class B Grate

    Regular price $56.66 USD
    Regular price Sale price $56.66 USD
    Unit price /  per 
  • Trench•Era™ FP Series Drain System w/DG1248R 14" Wide Class C Grate - HD Stainless Frame

    Trench•Era™ FP Series Drain System w/DG1248R 14" Wide Class C Grate - HD Stainless Frame

    Trench•Era™ FP Series Drain System w/DG1248R 14" Wide Class C Grate - HD Stainless Frame

    Request quote
  • NDS Dura Slope Stainless Steel Perforated Grate NDS226

    NDS Dura Slope Kit with DS-228 Galvanized Perforated Grate

    NDS Dura Slope Kit with DS-228 Galvanized Perforated Grate

    Regular price From $489.44 USD
    Regular price Sale price From $489.44 USD
    Unit price /  per 
  • Trench•Era™ FP Series Drain System w/DG1248R 14" Wide Class C Grate - MD Stainless Frame

    Trench•Era™ FP Series Drain System w/DG1248R 14" Wide Class C Grate - MD Stainless Frame

    Trench•Era™ FP Series Drain System w/DG1248R 14" Wide Class C Grate - MD Stainless Frame

    Request quote
  • TP0650S Catch basin with DG0640 Galvanized Slotted

    TV0650S (Shallow) Catch Basin Kit w/ DG0640H for POLYCAST®

    TV0650S (Shallow) Catch Basin Kit w/ DG0640H for POLYCAST®

    Regular price $449.46 USD
    Regular price Sale price $449.46 USD
    Unit price /  per 
  • TP0650S-DG0646 Catch Basin w/ Galvanized Perforated Grate

    TV0650S (Shallow) Catch Basin Kit w/ DG0646H for POLYCAST®

    TV0650S (Shallow) Catch Basin Kit w/ DG0646H for POLYCAST®

    Regular price $445.53 USD
    Regular price Sale price $445.53 USD
    Unit price /  per 
  • TP0650S-DG0646R-PF w/ Galvanized Perforated reinforced Grate and HDPE Frame

    TP0750S (Shallow) Catch Basin Kit w/ DG0646RH for POLYCAST®-HDPE Frame

    TP0750S (Shallow) Catch Basin Kit w/ DG0646RH for POLYCAST®-HDPE Frame

    Regular price $486.11 USD
    Regular price Sale price $486.11 USD
    Unit price /  per 
  • POLYCAST 600 DP0650 with dg0621H slotted galvanized steel grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0621H Transverse Slot Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0621H Transverse Slot Grate

    Regular price $418.58 USD
    Regular price Sale price $418.58 USD
    Unit price /  per 
  • ULMA 414 Class C Reinforced Perforated w/Tread Galvanized Steel 122mm x 1M Grate

    ULMA 414 Class C Reinforced Perforated w/Tread Galvanized Steel 122mm x 1M Grate

    ULMA 414 Class C Reinforced Perforated w/Tread Galvanized Steel 122mm x 1M Grate

    Regular price $119.92 USD
    Regular price Sale price $119.92 USD
    Unit price /  per 
  • ZURN P4-FG Galvanized Steel Slotted 4" x 40" Grate - Class A

    ZURN P4-FG Galvanized Steel Slotted 4" x 40" Grate - Class A

    ZURN P4-FG Galvanized Steel Slotted 4" x 40" Grate - Class A

    Regular price $108.00 USD
    Regular price Sale price $108.00 USD
    Unit price /  per 
  • DG0621 Transverse SLOT Galvanized Steel POLYCAST and SS600

    Bronze Age™ DG0621 SLOT Galvanized Steel 5.25" x 48"Grate

    Bronze Age™ DG0621 SLOT Galvanized Steel 5.25" x 48"Grate

    Regular price $78.49 USD
    Regular price Sale price $78.49 USD
    Unit price /  per 
  • DG0645 Galvanized Steel Solid Cover for POLYCAST

    POLYCAST DG0645H Class A ADA Compliant Galvanized Steel Solid 6" x 24" Cover

    POLYCAST DG0645H Class A ADA Compliant Galvanized Steel Solid 6" x 24" Cover

    Regular price $75.79 USD
    Regular price Sale price $75.79 USD
    Unit price /  per 
  • UNV100KA ULMA Open End Cap

    UNV100KA / TUNIU100KGA Universal Galvanized Steel End Outlet ULMA100K

    UNV100KA / TUNIU100KGA Universal Galvanized Steel End Outlet ULMA100K

    Regular price $50.37 USD
    Regular price Sale price $50.37 USD
    Unit price /  per 
  • Zurn P6-RFSC

    Zurn P6-FG Class A Slotted Heel-Proof Galvanized Steel 6" x 40" Grate

    Zurn P6-FG Class A Slotted Heel-Proof Galvanized Steel 6" x 40" Grate

    Regular price $161.60 USD
    Regular price Sale price $161.60 USD
    Unit price /  per 
  • DG0621 Transverse SLOT Galvanized Steel POLYCAST and SS600

    Bronze Age DG0621H SLOT Galvanized Steel 5.25" x 24" (Nominal) Grate | Class A

    Bronze Age DG0621H SLOT Galvanized Steel 5.25" x 24" (Nominal) Grate | Class A

    Regular price $97.75 USD
    Regular price Sale price $97.75 USD
    Unit price /  per 
  • 420 ULMA slotted galvanized steel grate

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

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

    Regular price $37.45 USD
    Regular price Sale price $37.45 USD
    Unit price /  per 
  • 410 GP100KCA new perforated galv. steel with tread grate

    ULMA 410 Class A Perforated w/Tread Galvanized Steel 122mm x 1M Grate

    ULMA 410 Class A Perforated w/Tread Galvanized Steel 122mm x 1M Grate

    Regular price $24.80 USD
    Regular price Sale price $24.80 USD
    Unit price /  per 
  • NDS DS-228 Class A ADA Compliant Perforated Galvanized Steel 6" x 24" Grate

    NDS DS-228 Class A ADA Compliant Perforated Galvanized Steel 6" x 24" Grate

    NDS DS-228 Class A ADA Compliant Perforated Galvanized Steel 6" x 24" Grate

    Regular price $101.92 USD
    Regular price Sale price $101.92 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 $411.77 USD
    Regular price Sale price $411.77 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 HYDROPLUS Mini w/ BARS Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ BARS Ductile Iron Grate Class C

    $237.16 $183.00
  • ULMA HYDROPLUS Mini w/ FERN Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ FERN Ductile Iron Grate Class C

    $237.16 $183.00
  • ULMA HYDROPLUS Mini w/ CATHEDRAL Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ CATHEDRAL Ductile Iron Grate Class C

    $237.16 $183.00
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