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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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      • Mini Channel
      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
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  • Reinforced Slotted Stainless Steel Grate

    POLYCAST DG0647RH Reinforced Slotted Stainless Steel 6"x24" Grate (Nominal) | Load Class C

    POLYCAST DG0647RH Reinforced Slotted Stainless Steel 6"x24" Grate (Nominal) | Load Class C

    Regular price $362.63 USD
    Regular price Sale price $362.63 USD
    Unit price /  per 
  • ZURN P6-BG Galvanized Cast Iron H-20 Bar Grate 6x20

    Zurn P6-BG Galvanized Ductile Iron H-20 Bar Grate 6" x 20" Grate | Class C

    Zurn P6-BG Galvanized Ductile Iron H-20 Bar Grate 6" x 20" Grate | Class C

    Regular price $154.40 USD
    Regular price Sale price $154.40 USD
    Unit price /  per 
  • Dura-Tile-Grate-TDSdrains dura slope deco cast iron grate

    NDS DS-603 Class C Tile Ductile Iron 6" x 24" Grate - RAW

    NDS DS-603 Class C Tile Ductile Iron 6" x 24" Grate - RAW

    Regular price $127.08 USD
    Regular price Sale price $127.08 USD
    Unit price /  per 
  • Dura-Weave-Grate-TDSdrains Dura Slope deco cast iron grate

    NDS DS-601 Class C Weave Ductile Iron 6" x 24" Grate - RAW

    NDS DS-601 Class C Weave Ductile Iron 6" x 24" Grate - RAW

    Regular price $127.08 USD
    Regular price Sale price $127.08 USD
    Unit price /  per 
  • FP1200-FG1241-TDS-1 FP Series ductile iron grate heavy duty

    TDS DG1241 Class C Slotted Ductile Iron 14" x 24" x 1.5"Grate

    TDS DG1241 Class C Slotted Ductile Iron 14" x 24" x 1.5"Grate

    Regular price $288.95 USD
    Regular price Sale price $288.95 USD
    Unit price /  per 
  • DG2441D-Catch-Basin-Grate-TDS

    POLYCAST DG0653D Class F Slotted Ductile Iron 24" X 24" Catch Basin Grate

    POLYCAST DG0653D Class F Slotted Ductile Iron 24" X 24" Catch Basin Grate

    Regular price $919.14 USD
    Regular price Sale price $919.14 USD
    Unit price /  per 
  • Zurn P6-RPGC Reinforced Galvanized Perforated Grate

    ZURN P6-RPGC Reinforced Perforated Galvanized Steel Class C Grate

    ZURN P6-RPGC Reinforced Perforated Galvanized Steel Class C Grate

    Regular price $200.80 USD
    Regular price Sale price $200.80 USD
    Unit price /  per 
  • DG0655R_SS_Wedge_Wire_ClassD

    TDS DG0655R ADA Compliant Reinforced Wedge Wire Stainless Steel 6" x 48" Grate

    TDS DG0655R ADA Compliant Reinforced Wedge Wire Stainless Steel 6" x 48" Grate

    Regular price $420.00 USD
    Regular price Sale price $420.00 USD
    Unit price /  per 
  • FG1275 Ductile Iron ADA Grate

    TDS DG1275 Class E Transverse Slotted Ductile Iron 14" x 24" x 1.5" Grate

    TDS DG1275 Class E Transverse Slotted Ductile Iron 14" x 24" x 1.5" Grate

    Regular price $344.41 USD
    Regular price Sale price $344.41 USD
    Unit price /  per 
  • TDS 461D Universal Ductile Iron Grate

    TDS 461D Class E Slotted Ductile Iron 122mm x 500mm Grate

    TDS 461D Class E Slotted Ductile Iron 122mm x 500mm Grate

    Regular price $50.54 USD
    Regular price Sale price $50.54 USD
    Unit price /  per 
  • TDS DG3042D Class D Slotted Ductile Iron 8" x 24" Grate

    TDS DG3042D Class D Slotted Ductile Iron 8" x 24" Grate

    TDS DG3042D Class D Slotted Ductile Iron 8" x 24" Grate

    Regular price $76.15 USD
    Regular price Sale price $76.15 USD
    Unit price /  per 
  • ULMA 406_407 GEHX100KCB-Mesh Heelproof Galvanized grate

    ULMA 406 / GEHX100KCB Mesh Heelproof Galvanized Grate 1M Class B

    ULMA 406 / GEHX100KCB Mesh Heelproof Galvanized Grate 1M Class B

    Regular price $150.62 USD
    Regular price Sale price $150.62 USD
    Unit price /  per 
  • DG3047R-stainless-bar-grate

    TDS DG3047R Class C BAR Stainless 8" x 24" Grate

    TDS DG3047R Class C BAR Stainless 8" x 24" Grate

    Regular price $874.45 USD
    Regular price Sale price $874.45 USD
    Unit price /  per 
  • DS-601-BF NDS Cast Iron Grate BoOF Weave

    NDS DS-601-BF Class C Weave Ductile Iron 6" x 24" Grate - BoOF

    NDS DS-601-BF Class C Weave Ductile Iron 6" x 24" Grate - BoOF

    Regular price $153.48 USD
    Regular price Sale price $153.48 USD
    Unit price /  per 
  • ZURN P6-RPSC Reinforced Perforated Stainless Steel Class C Grate

    ZURN P6-RPSC Reinforced Perforated Stainless Steel Class C Grate

    ZURN P6-RPSC Reinforced Perforated Stainless Steel Class C Grate

    Regular price $673.60 USD
    Regular price Sale price $673.60 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 
  • POLY600-SS-641D-TDSdrains stainless steel edge slotted cast iron grate polymer concrete channel Polycast

    POLYCAST 600 Series Kit with DG0641D Slotted Ductile Iron Grate and Galvanized Edging

    POLYCAST 600 Series Kit with DG0641D Slotted Ductile Iron Grate and Galvanized Edging

    Regular price From $237.04 USD
    Regular price Sale price From $237.04 USD
    Unit price /  per 
  • DS-602-BF NDS Cast Iron Grate BoOF - Diamond

    NDS DS-602-BF Class C Diamond Ductile Iron 6" x 24" Grate - BoOF

    NDS DS-602-BF Class C Diamond Ductile Iron 6" x 24" Grate - BoOF

    Regular price $153.48 USD
    Regular price Sale price $153.48 USD
    Unit price /  per 
  • Zurn-P6-HPDE Z886 Z806 Class E slotted heel-proof Ductile Iron Grate

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

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

    Regular price $220.80 USD
    Regular price Sale price $220.80 USD
    Unit price /  per 
  • polycast-DG700PE-frame HPDE frame

    DG0700PE POLYCAST Duraguard® 700 Series HPDE Frame

    DG0700PE POLYCAST Duraguard® 700 Series HPDE Frame

    Regular price $38.69 USD
    Regular price Sale price $38.69 USD
    Unit price /  per 
  • TDS 3000 galvanized grate DG3048R

    TDS DG3048R Class C BAR Galvanized 8" x 24" Grate

    TDS DG3048R Class C BAR Galvanized 8" x 24" Grate

    Regular price $349.83 USD
    Regular price Sale price $349.83 USD
    Unit price /  per 
  • Polycast-DG0442-galv-steel-grate-4ft-TDSdrains

    POLYCAST DG0442 Class A Slotted Galvanized 5" x 48" Grate

    POLYCAST DG0442 Class A Slotted Galvanized 5" x 48" Grate

    Regular price $89.26 USD
    Regular price Sale price $89.26 USD
    Unit price /  per 
  • POLY700-PE-646R

    POLYCAST®700 Kit w/DG0646R Reinforced Perforated Galvanized Grate-HDPE Frame

    POLYCAST®700 Kit w/DG0646R Reinforced Perforated Galvanized Grate-HDPE Frame

    Regular price From $395.50 USD
    Regular price Sale price From $395.50 USD
    Unit price /  per 
  • DG0643

    POLYCAST® DG0643 Slotted Gray Iron Catch Basin Grate | Load Class E

    POLYCAST® DG0643 Slotted Gray Iron Catch Basin Grate | Load Class E

    Regular price $266.01 USD
    Regular price Sale price $266.01 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
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    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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