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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
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      • Pour in Place (Concrete)
      • All Channel Materials
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      • Load Class A
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      • Load Class E
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      • All Load Classes
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    • Popular Manufacturers
      • TDS
      • Bronze Age
      • NDS
      • Polycast
      • 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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      • Bronze
      • Ductile/Cast Iron
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  • M100K w/Bronze Age™ Cathedral Ductile Iron Heel-Proof Grate - RAW

    M100K w/Bronze Age™ Cathedral Ductile Iron Heel-Proof Grate - RAW

    Sale

    M100K w/Bronze Age™ Cathedral Ductile Iron Heel-Proof Grate - RAW

    Regular price From $351.07 USD
    Regular price $391.38 USD Sale price From $351.07 USD
    Unit price /  per 
    Sale
  • NDS 1891 Atrium Grate in Green for 18 inch Catch basin

    NDS 1891 Atrium HDPE 18" X 18" Grate - GREEN

    NDS 1891 Atrium HDPE 18" X 18" Grate - GREEN

    Regular price $176.25 USD
    Regular price Sale price $176.25 USD
    Unit price /  per 
  • Polycast 600 with Vinyl Ester Polymer channels and DG0655R Reinforced Wedge wire grates

    POLYCAST® 600 Vinyl Ester Series Kit with DG0655R Reinforced Stainless Wedge Wire Grate

    POLYCAST® 600 Vinyl Ester Series Kit with DG0655R Reinforced Stainless Wedge Wire Grate

    Regular price From $609.79 USD
    Regular price Sale price From $609.79 USD
    Unit price /  per 
  • NDS-lowProfile-12-catch-basin-wave Raw-TDSdrains

    NDS 1224CI Class B ADA Compliant Wave Cast Iron 12" x 12" Grate - RAW

    NDS 1224CI Class B ADA Compliant Wave Cast Iron 12" x 12" Grate - RAW

    Regular price $273.59 USD
    Regular price Sale price $273.59 USD
    Unit price /  per 
  • NDS900-4-Catch-Basin (1)

    NDS 9" Catch Basin Kit with NDS Slotted Grate | Sand

    NDS 9" Catch Basin Kit with NDS Slotted Grate | Sand

    Regular price From $105.27 USD
    Regular price Sale price From $105.27 USD
    Unit price /  per 
  • ZURN P886-FG Galvanized Slotted Grates

    Zurn Z886 Drainage Kit w/ P6-FG Galvanized Slotted Grate - Bottom Outlet

    Zurn Z886 Drainage Kit w/ P6-FG Galvanized Slotted Grate - Bottom Outlet

    Regular price From $991.15 USD
    Regular price Sale price From $991.15 USD
    Unit price /  per 
  • POLYCAST 600 with Stainless Steel Edge and DG0670

    POLYCAST® 600 Vinyl Ester Series Kit with DG0670 Slotted HDPE Grate & Edge

    POLYCAST® 600 Vinyl Ester Series Kit with DG0670 Slotted HDPE Grate & Edge

    Regular price From $349.77 USD
    Regular price Sale price From $349.77 USD
    Unit price /  per 
  • Polycast-DG0442-galv-steel-grate-4ft-TDSdrains

    POLYCAST DG0441 Class A Slotted Galvanized 5" x 24" Grate

    POLYCAST DG0441 Class A Slotted Galvanized 5" x 24" Grate

    Regular price $89.26 USD
    Regular price Sale price $89.26 USD
    Unit price /  per 
  • Vinylester-489-FRP-0.6-in-on-center-0.5M-length-510x510

    TDS 489 Vinyl-Ester Fiberglass Bar 122mm x 0.5M Bar Grate - 0.6" on center - Class C

    Sale

    TDS 489 Vinyl-Ester Fiberglass Bar 122mm x 0.5M Bar Grate - 0.6" on center - Class C

    Regular price $96.99 USD
    Regular price $124.70 USD Sale price $96.99 USD
    Unit price /  per 
    Sale
  • ZURN Z886 6.25" Wide Sloped Drain Channel

    ZURN Z886 6.25" Wide Sloped Drain Channel

    ZURN Z886 6.25" Wide Sloped Drain Channel

    Regular price From $548.80 USD
    Regular price Sale price From $548.80 USD
    Unit price /  per 
  • Z886-PS-TDSdrains

    Zurn Z886 Drainage Kit w/ P6-PS Class A Perforated Stainless 6" Grate

    Zurn Z886 Drainage Kit w/ P6-PS Class A Perforated Stainless 6" Grate

    Regular price From $1,363.09 USD
    Regular price Sale price From $1,363.09 USD
    Unit price /  per 
  • M100KX Polymer concrete linear channel with stainless steel edge with 495 grey poly grates

    ULMA M100K Kit with 495 / PNH100KCAM-GRIS Polypropylene ADA Heel Proof Grate – GRAY

    Sale

    ULMA M100K Kit with 495 / PNH100KCAM-GRIS Polypropylene ADA Heel Proof Grate – GRAY

    Regular price From $225.34 USD
    Regular price $279.72 USD Sale price From $225.34 USD
    Unit price /  per 
    Sale
  • IA-6in-round-Interlaken-BF-DK

    Iron Age IA-INTER-6D-HP-BF Class B Interlaken 6" Dia Grate – BoOF

    Iron Age IA-INTER-6D-HP-BF Class B Interlaken 6" Dia Grate – BoOF

    Regular price $150.15 USD
    Regular price Sale price $150.15 USD
    Unit price /  per 
  • NDS Dura Slope Inline Catch Basin with DS-663 Grate

    NDS® Dura Slope In-Line Catch Basin with DS-663 HDPE Slotted Grate Black

    NDS® Dura Slope In-Line Catch Basin with DS-663 HDPE Slotted Grate Black

    Regular price From $611.92 USD
    Regular price Sale price From $611.92 USD
    Unit price /  per 
  • 420 ULMA slotted galvanized steel grate

    ULMA 421 / GN100KCAM Class A Slotted Galvanized Steel 122mm x 500mm Grate

    Sale

    ULMA 421 / GN100KCAM Class A Slotted Galvanized Steel 122mm x 500mm Grate

    Regular price $21.38 USD
    Regular price $27.49 USD Sale price $21.38 USD
    Unit price /  per 
    Sale
  • SS600-DG0657R Reinforced with Perforated Stainless Steel Grate

    SS600 Stainless Steel Drain Kit w/ DG0657R Perforated Stainless Steel Grate | Class C

    SS600 Stainless Steel Drain Kit w/ DG0657R Perforated Stainless Steel Grate | Class C

    Regular price From $1,877.75 USD
    Regular price Sale price From $1,877.75 USD
    Unit price /  per 
  • ULMA M100KX Drain Channel kit w/Bronze Age™ PEDREDA Grate-RAW

    ULMA M100KX Drain Channel kit w/Bronze Age™ PEDREDA Grate-RAW

    Sale

    ULMA M100KX Drain Channel kit w/Bronze Age™ PEDREDA Grate-RAW

    Regular price From $426.85 USD
    Regular price $488.80 USD Sale price From $426.85 USD
    Unit price /  per 
    Sale
  • U100K with 402 Galvanized Steel Mesh Grate

    ULMA U100K Drainage Kit with ULMA 402 Mesh Grate | Galvanized

    Sale

    ULMA U100K Drainage Kit with ULMA 402 Mesh Grate | Galvanized

    Regular price From $122.69 USD
    Regular price $157.74 USD Sale price From $122.69 USD
    Unit price /  per 
    Sale
  • POLY700-AA-675D-TDSdrains cast iron frame transverse cast iron grate polymer concrete channel Polycast

    POLYCAST 700 Series Kit w/ DG0675HD ADA Transverse Slotted Ductile Iron Grate & Frame

    POLYCAST 700 Series Kit w/ DG0675HD ADA Transverse Slotted Ductile Iron Grate & Frame

    Regular price From $297.79 USD
    Regular price Sale price From $297.79 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 
  • 24x24 Catch Basin Kit with Slotted Polyolefin Garte - Black

    NDS 24" Catch Basin Kit with NDS Slotted Grate | Black

    NDS 24" Catch Basin Kit with NDS Slotted Grate | Black

    Regular price From $1,332.37 USD
    Regular price Sale price From $1,332.37 USD
    Unit price /  per 
  • TDS 3" Bronze Natural Mini Channel Grate

    Bronze Age BA-RAIN-0312 Class A Rain Drop Bronze Natural Finish 3" x 12" Grate

    Bronze Age BA-RAIN-0312 Class A Rain Drop Bronze Natural Finish 3" x 12" Grate

    Regular price $136.00 USD
    Regular price Sale price $136.00 USD
    Unit price /  per 
  • ULMA Hydro Mini Plus H80 with ULMA 410 Galvanized Steel erforated Grate Class A

    ULMA HYDROPLUS Mini with Galvanized Perforated Tread Grate (410 / GP100KCA) Class A

    Sale

    ULMA HYDROPLUS Mini with Galvanized Perforated Tread Grate (410 / GP100KCA) Class A

    Regular price From $64.99 USD
    Regular price $79.18 USD Sale price From $64.99 USD
    Unit price /  per 
    Sale
  • Iron Age | Class B | Heel-Proof Rain Cast Iron 3" x 12" Grate | RAW

    Iron Age | Class B | Heel-Proof Rain Cast Iron 3" x 12" Grate | RAW

    Sale

    Iron Age | Class B | Heel-Proof Rain Cast Iron 3" x 12" Grate | RAW

    Regular price $78.65 USD
    Regular price $78.65 USD Sale price $78.65 USD
    Unit price /  per 
    Sale
  • Iron Age-IA CARB-0820 2 - BoOF

    Iron Age IA-CARB-0820-BF Class B Carbochon Cast Iron Grate - BoOF 8" x 20" (Nominal)

    Iron Age IA-CARB-0820-BF Class B Carbochon Cast Iron Grate - BoOF 8" x 20" (Nominal)

    Regular price $384.67 USD
    Regular price Sale price $384.67 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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