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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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      • Pour in Place (Concrete)
      • All Channel Materials
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      • All Load Classes
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    • Popular Manufacturers
      • TDS
      • Bronze Age
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      • 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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Products Blogs
  • ULMA Hydro Mini Plus H80 with ULMA 420 Galvanized Steel Slotted Grate Class A

    ULMA HYDROPLUS Mini with Galvanized Slotted Grate (420 / GN100KCA) Class A

    Sale

    ULMA HYDROPLUS Mini with Galvanized Slotted Grate (420 / GN100KCA) Class A

    Regular price From $73.18 USD
    Regular price $90.97 USD Sale price From $73.18 USD
    Unit price /  per 
    Sale
  • DP0650-GE-640H Polycast 600 Inline Catch Basin with Galvanized edge and slotted grates

    POLYCAST® DP0650 Inline Catch Basin w/DG0640RH Reinforced Galvanized Slotted Grate & Edge

    POLYCAST® DP0650 Inline Catch Basin w/DG0640RH Reinforced Galvanized Slotted Grate & Edge

    Regular price $609.43 USD
    Regular price Sale price $609.43 USD
    Unit price /  per 
  • NDS Dura Slope Inline Catch Basin with DS-221 Grate

    NDS® Dura Slope In-Line Catch Basin with DS-221 Slotted Galvanized Grate

    NDS® Dura Slope In-Line Catch Basin with DS-221 Slotted Galvanized Grate

    Regular price From $627.46 USD
    Regular price Sale price From $627.46 USD
    Unit price /  per 
  • DP0650-XX-640

    POLYCAST® DP0650 Inline Catch Basin w/DG0640RH Reinforced Galvanized Slotted Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0640RH Reinforced Galvanized Slotted Grate

    Regular price $543.93 USD
    Regular price Sale price $543.93 USD
    Unit price /  per 
  • 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 
  • M100K-TDS0461 Class E grate polymer concrete channel

    ULMA M100K Kit w/ TDS 461D Slotted Ductile Iron Grate & Galvanized Edge

    Sale

    ULMA M100K Kit w/ TDS 461D Slotted Ductile Iron Grate & Galvanized Edge

    Regular price From $254.69 USD
    Regular price $317.46 USD Sale price From $254.69 USD
    Unit price /  per 
    Sale
  • New Image Coming Soon

    POLYCAST 500 Series Kit w/ DG0641D-G Slotted Ductile Iron-Galvanized Grate and HDPE Frame

    POLYCAST 500 Series Kit w/ DG0641D-G Slotted Ductile Iron-Galvanized Grate and HDPE Frame

    Regular price From $446.03 USD
    Regular price Sale price From $446.03 USD
    Unit price /  per 
  • 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 
  • New Image Coming Soon

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

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

    Regular price $494.55 USD
    Regular price Sale price $494.55 USD
    Unit price /  per 
  • DP0650-XX-640

    POLYCAST® DP0650 Inline Catch Basin w/DG0640H Galvanized Slotted Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0640H Galvanized Slotted Grate

    Regular price $389.15 USD
    Regular price Sale price $389.15 USD
    Unit price /  per 
  • Polycast 600 DP0650 Inline Catch Basin with Galvanized Steel Edge and Galvanized Steel Slotted Grates

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

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

    Regular price $484.08 USD
    Regular price Sale price $484.08 USD
    Unit price /  per 
  • POLYCAST 700 PE FRAME 640R

    POLYCAST® 700 Vinyl Ester Series Kit w/DG0640R Reinforced Slot Galvanized Grate & HDPE Frame

    POLYCAST® 700 Vinyl Ester Series Kit w/DG0640R Reinforced Slot Galvanized Grate & HDPE Frame

    Regular price From $803.73 USD
    Regular price Sale price From $803.73 USD
    Unit price /  per 
  • New Image Coming Soon

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

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

    Regular price From $3,215.80 USD
    Regular price Sale price From $3,215.80 USD
    Unit price /  per 
  • New Image Coming Soon

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

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

    Regular price From $2,999.80 USD
    Regular price Sale price From $2,999.80 USD
    Unit price /  per 
  • DG0646 Galvanized Steel perforated grates for POLYCAST

    POLYCAST DG0646H Class A ADA Compliant Perforated Galvanized Steel 6" x 24" Grate

    POLYCAST DG0646H Class A ADA Compliant Perforated Galvanized Steel 6" x 24" Grate

    Regular price $45.68 USD
    Regular price Sale price $45.68 USD
    Unit price /  per 
  • New Image Coming Soon

    Zurn ZF806 Flo-Thru® Drain with P6-FG Galvanized Grate - HD Z Frame

    Zurn ZF806 Flo-Thru® Drain with P6-FG Galvanized Grate - HD Z Frame

    Regular price From $2,055.80 USD
    Regular price Sale price From $2,055.80 USD
    Unit price /  per 
  • BA-SLOT-0336 Stainless Steel Slot 3x36

    Bronze Age TDS-SLOT-0336-L Slotted 316L Stainless Steel 3″x36″ Grate Load Class B

    Bronze Age TDS-SLOT-0336-L Slotted 316L Stainless Steel 3″x36″ Grate Load Class B

    Regular price $249.00 USD
    Regular price Sale price $249.00 USD
    Unit price /  per 
  • DG0646 Galvanized Steel perforated grates for POLYCAST

    POLYCAST DG0646 Class A ADA Compliant Perforated Galvanized Steel 6" x 48" Grate

    POLYCAST DG0646 Class A ADA Compliant Perforated Galvanized Steel 6" x 48" Grate

    Regular price $71.39 USD
    Regular price Sale price $71.39 USD
    Unit price /  per 
  • RG-151224-AB

    RG-151224-AB Heavy Duty Ductile Iron Slotted 12″ x 24″ x 1.5″ Grate | TDS

    RG-151224-AB Heavy Duty Ductile Iron Slotted 12″ x 24″ x 1.5″ Grate | TDS

    Regular price $217.44 USD
    Regular price Sale price $217.44 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

    Sale

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

    Regular price $17.36 USD
    Regular price $24.80 USD Sale price $17.36 USD
    Unit price /  per 
    Sale
  • 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 
  • TDS-SS600-DG0622 FOAM Galvanized

    Bronze Age™ DG0622 Foam Perforated Galvanized Steel 5.19"x48" Grate

    Bronze Age™ DG0622 Foam Perforated Galvanized Steel 5.19"x48" Grate

    Regular price $118.93 USD
    Regular price Sale price $118.93 USD
    Unit price /  per 
  • Trench•Era™ FP Series Drain System w/DG0841 10" Wide Class C Grate - HD Galvanized Frame

    Trench•Era™ FP Series Drain System w/DG0841 10" Wide Class C Grate - HD Galvanized Frame

    Trench•Era™ FP Series Drain System w/DG0841 10" Wide Class C Grate - HD Galvanized Frame

    Request quote
  • TP0650S-GS-621 Catch Basin w/ Galvanized DG0621 transverse slotted grate and edging

    TV0650S (Shallow) Catch Basin Kit w/ DG0621H & Galvanized Edge for POLYCAST®

    TV0650S (Shallow) Catch Basin Kit w/ DG0621H & Galvanized Edge for POLYCAST®

    Regular price $544.40 USD
    Regular price Sale price $544.40 USD
    Unit price /  per 
  • NDS-Spee-D-BA-Slotted SS grate

    NDS Spee-D® Channel w/ BA-SLOT-0448-S Stainless Steel 4"x48" Transverse Slotted Grate

    NDS Spee-D® Channel w/ BA-SLOT-0448-S Stainless Steel 4"x48" Transverse Slotted Grate

    Regular price From $246.46 USD
    Regular price Sale price From $246.46 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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