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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
    • Channel Materials
      • Fiberglass
      • Plastic
      • Polymer Concrete
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      • 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
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      • 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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      • Ductile/Cast Iron
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  • Zurn 6" Plastic ADA linear slotted Grate P6-HPP-TEA&CREAM

    Zurn P6-HPP-TEA&CREAM Class A Linear Slotted HDPE 6" x 20" Grate

    Zurn P6-HPP-TEA&CREAM Class A Linear Slotted HDPE 6" x 20" Grate

    Regular price $108.00 USD
    Regular price Sale price $108.00 USD
    Unit price /  per 
  • ZURN P12-DGE_Ductile Iron Grate_Class E

    Zurn P12-DGE H-20 Class E Slotted Ductile Iron 12" x 24" Grate

    Zurn P12-DGE H-20 Class E Slotted Ductile Iron 12" x 24" Grate

    Regular price $405.60 USD
    Regular price Sale price $405.60 USD
    Unit price /  per 
  • 12x12-catch-basin-kit-slotted-CI-grate-34

    Catch Basin Kit with Ductile Iron Slotted Grate 12" x 12"

    Catch Basin Kit with Ductile Iron Slotted Grate 12" x 12"

    Regular price From $301.21 USD
    Regular price Sale price From $301.21 USD
    Unit price /  per 
  • ZURN Z884 Drainage Kit w/ P4-HPP-TEA&CREAM HDPE HDPE Grate - Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-TEA&CREAM HDPE HDPE Grate - Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-TEA&CREAM HDPE HDPE Grate - Bottom Outlet

    Regular price From $349.18 USD
    Regular price Sale price From $349.18 USD
    Unit price /  per 
  • DP0650-Catch Basin

    POLYCAST® DP0750 Inline Catch Basin w/DG0646R Perforated Galvanized Grate & HDPE Frame

    POLYCAST® DP0750 Inline Catch Basin w/DG0646R Perforated Galvanized Grate & HDPE Frame

    Regular price $557.04 USD
    Regular price Sale price $557.04 USD
    Unit price /  per 
  • Zurn 6" Plastic ADA slotted grate P6-HPP-BLACK

    Zurn P6-HPP-BLACK Class A Linear Slotted HDPE 6" x 20" Grate

    Zurn P6-HPP-BLACK Class A Linear Slotted HDPE 6" x 20" Grate

    Regular price $108.00 USD
    Regular price Sale price $108.00 USD
    Unit price /  per 
  • DG0675-polycast-duraguard-longit-slotted-grate-TDSdrains

    POLYCAST® DG0675 Transverse Slotted HDPE 6"x24" (Nominal) Grate - BLACK-Class A

    POLYCAST® DG0675 Transverse Slotted HDPE 6"x24" (Nominal) Grate - BLACK-Class A

    Regular price $50.33 USD
    Regular price Sale price $50.33 USD
    Unit price /  per 
  • FP1200-FG1246-1-Ductile-Iron-Grate-Class-F

    TDS DG1246 Class F Slotted Ductile Iron 14" x 24" x 1.5" Grate

    TDS DG1246 Class F Slotted Ductile Iron 14" x 24" x 1.5" Grate

    Regular price $291.30 USD
    Regular price Sale price $291.30 USD
    Unit price /  per 
  • P4-HPP-TEA and CREAM ZURN_Z884_grate

    Zurn P4-HPP-TEA&CREAM Class A ADA Compliant Slotted HDPE 4" x 20" Grate - TEA & CREAM

    Zurn P4-HPP-TEA&CREAM Class A ADA Compliant Slotted HDPE 4" x 20" Grate - TEA & CREAM

    Regular price $52.00 USD
    Regular price Sale price $52.00 USD
    Unit price /  per 
  • P4-HPP-DK-GRAY ZURN Z884 grate

    Zurn P4-HPP-DK-GRAY Class A ADA Compliant Slotted HDPE 4" x 20" Grate - DARK GRAY

    Zurn P4-HPP-DK-GRAY Class A ADA Compliant Slotted HDPE 4" x 20" Grate - DARK GRAY

    Regular price $52.00 USD
    Regular price Sale price $52.00 USD
    Unit price /  per 
  • 454 IN100KCC Reinforced Stainless Steel Slotted

    ULMA 455 / IN100KCCM Reinforced Stainless Steel Slotted Grate 0.5M Class C

    Sale

    ULMA 455 / IN100KCCM Reinforced Stainless Steel Slotted Grate 0.5M Class C

    Regular price $181.13 USD
    Regular price $232.88 USD Sale price $181.13 USD
    Unit price /  per 
    Sale
  • Zurn Z886 Drainage Kit w/ DGE Class E Ductile Iron Slotted Grate

    Zurn Z886 Drainage Kit w/ DGE Class E Ductile Iron Slotted Grate

    Zurn Z886 Drainage Kit w/ DGE Class E Ductile Iron Slotted Grate

    Regular price From $1,208.34 USD
    Regular price Sale price From $1,208.34 USD
    Unit price /  per 
  • POLY600-DG0620-GE Cathedral Galv

    POLYCAST 600 Series Kit with DG0620 Galvanized Grate w/ Edging | Load Class A

    POLYCAST 600 Series Kit with DG0620 Galvanized Grate w/ Edging | Load Class A

    Regular price From $280.85 USD
    Regular price Sale price From $280.85 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
  • New Image Coming Soon

    ZURN Z884 Drainage Kit w/ P4-FS Stainless Steel Slotted Grate - VP Locks & Bottom Outlet - Stainless Frame

    ZURN Z884 Drainage Kit w/ P4-FS Stainless Steel Slotted Grate - VP Locks & Bottom Outlet - Stainless Frame

    Regular price From $850.02 USD
    Regular price Sale price From $850.02 USD
    Unit price /  per 
  • AK100 ULMA Catch Basin with Galvanized Edging

    ULMA AK100 Catch Basin with Galvanized Edge

    Sale

    ULMA AK100 Catch Basin with Galvanized Edge

    Regular price $145.52 USD
    Regular price $187.10 USD Sale price $145.52 USD
    Unit price /  per 
    Sale
  • TDS-BARS-0312 Natural Bronze Age Grates Transverse Slotted Grate

    Bronze Age BA-BARS-0312 Bars Bronze Natural 3" x 12" Grate

    Bronze Age BA-BARS-0312 Bars Bronze Natural 3" x 12" Grate

    Regular price $136.00 USD
    Regular price Sale price $136.00 USD
    Unit price /  per 
  • ULMA HydroMini Plus with 402 Galvanized Mesh Grate load class B

    ULMA HYDROPLUS Mini with Galvanized Mesh Grate (402 / GEX100KCB) Class B

    Sale

    ULMA HYDROPLUS Mini with Galvanized Mesh Grate (402 / GEX100KCB) Class B

    Regular price From $125.26 USD
    Regular price $154.19 USD Sale price From $125.26 USD
    Unit price /  per 
    Sale
  • POLY600-GS-646R

    POLYCAST® 600 Series Kit w/ DG0646R Perforated Galvanized Steel Grate & Edge

    POLYCAST® 600 Series Kit w/ DG0646R Perforated Galvanized Steel Grate & Edge

    Regular price From $362.45 USD
    Regular price Sale price From $362.45 USD
    Unit price /  per 
  • NDS-Slim Channel Kit with TDS Bronze Age Natural Aluminum Slotted Grate

    NDS Slim Channel Series Kit with BA-SLOT-0212-A Slotted Aluminum Grate

    NDS Slim Channel Series Kit with BA-SLOT-0212-A Slotted Aluminum Grate

    Regular price From $701.38 USD
    Regular price Sale price From $701.38 USD
    Unit price /  per 
  • NDS Mini Channel with Natural Bronze Slotted Grate MCK-BA-SLOT

    NDS 3" Gray Mini Channel Kit with TDS Bronze Age Slotted Grate - Natural

    NDS 3" Gray Mini Channel Kit with TDS Bronze Age Slotted Grate - Natural

    Regular price From $465.44 USD
    Regular price Sale price From $465.44 USD
    Unit price /  per 
  • MCKS-TDS560-B-TDSdrains Sand Mini Channel with Bronze Slotted Grate

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Slotted Grate - Brushed

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Slotted Grate - Brushed

    Regular price From $520.97 USD
    Regular price Sale price From $520.97 USD
    Unit price /  per 
  • Z886-DGC Zurn Z886 with DGC grate

    Zurn Z886 Drainage Kit w/ DGC Ductile Iron Slotted Grate - Class C

    Zurn Z886 Drainage Kit w/ DGC Ductile Iron Slotted Grate - Class C

    Regular price From $1,080.28 USD
    Regular price Sale price From $1,080.28 USD
    Unit price /  per 
  • TDS-POLYCAST DA0642H Locking Device for 700 series Galvanized Grates

    TDS-POLYCAST DA0642H Locking Device for 700 series Galvanized Grates

    TDS-POLYCAST DA0642H Locking Device for 700 series Galvanized Grates

    Regular price $6.71 USD
    Regular price Sale price $6.71 USD
    Unit price /  per 
  • Aluminum Slotted Grate with 3" NDS Mini Channel MCKS-TDS561-TDSdrains

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Slotted Grate -Aluminum

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Slotted Grate -Aluminum

    Regular price From $336.47 USD
    Regular price Sale price From $336.47 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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