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Drainage Kits
  • Shop All
  • 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
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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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      • Polylok
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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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      • Ductile/Cast Iron
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  • POLY700-PE-657R

    POLYCAST® 700 Kit w/DG0657R Stainless Perforated Grate & HDPE Frame

    POLYCAST® 700 Kit w/DG0657R Stainless Perforated Grate & HDPE Frame

    Regular price From $532.41 USD
    Regular price Sale price From $532.41 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 
  • 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
  • 12" Catch Basin

    NDS 12" Catch Basin Kit with Iron Age Interlaken Grate | Baked on Oil Finish

    NDS 12" Catch Basin Kit with Iron Age Interlaken Grate | Baked on Oil Finish

    Regular price From $394.91 USD
    Regular price Sale price From $394.91 USD
    Unit price /  per 
  • 497 PE100KCBM_ADA Mesh Polypropylene Grate

    ULMA 497 / PE100KCBM Class B ADA Compliant Mesh HDPE 123mm x 500mm Grate

    Sale

    ULMA 497 / PE100KCBM Class B ADA Compliant Mesh HDPE 123mm x 500mm Grate

    Regular price $34.09 USD
    Regular price $43.83 USD Sale price $34.09 USD
    Unit price /  per 
    Sale
  • 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
  • J-4222-01 Heavy Duty Cast Iron 12" x 24" x 1.5" Grate | D&L Foundry

    J-4222-01 Heavy Duty Cast Iron 12" x 24" x 1.5" Grate | D&L Foundry

    J-4222-01 Heavy Duty Cast Iron 12" x 24" x 1.5" Grate | D&L Foundry

    Regular price $230.80 USD
    Regular price Sale price $230.80 USD
    Unit price /  per 
  • ULMA U100KX with Stainless Steel Edge and Stainless Steel Slotted Grate

    ULMA U100KX w/ Stainless Steel Slotted Grate (450)

    Sale

    ULMA U100KX w/ Stainless Steel Slotted Grate (450)

    Regular price From $464.65 USD
    Regular price $587.41 USD Sale price From $464.65 USD
    Unit price /  per 
    Sale
  • NDS-2outlet-catch-basin-4in-outlets-grn-wave-grate-TDSdrains (1)

    NDS 12" Catch Basin Kit with NDS Wave Grate | Green

    NDS 12" Catch Basin Kit with NDS Wave Grate | Green

    Regular price From $174.31 USD
    Regular price Sale price From $174.31 USD
    Unit price /  per 
  • POLYCAST 700 LOCKING DEVICE

    TDS-POLYCAST DA0642BH Hold-Down Device for 700 Series Ductile Iron Grates

    TDS-POLYCAST DA0642BH Hold-Down Device for 700 Series Ductile Iron Grates

    Regular price $10.00 USD
    Regular price Sale price $10.00 USD
    Unit price /  per 
  • M100KX polymer concrete channel with stainless steel edge with Iron Age Baked on Oil Finish Cast Iron Janis grate

    ULMA M100KX Kit with Iron Age JA5-20I21 Janis Grate – BoOF

    Sale

    ULMA M100KX Kit with Iron Age JA5-20I21 Janis Grate – BoOF

    Regular price From $718.03 USD
    Regular price $779.98 USD Sale price From $718.03 USD
    Unit price /  per 
    Sale
  • ZF806-DGC ductile iron grate and fiber reinforced polymer trench drain

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

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

    Regular price From $2,239.80 USD
    Regular price Sale price From $2,239.80 USD
    Unit price /  per 
  • NDS 813 Pro Series 5 End Outlet

    NDS 813 Pro Series 5 End Outlet

    NDS 813 Pro Series 5 End Outlet

    Regular price $14.18 USD
    Regular price Sale price $14.18 USD
    Unit price /  per 
  • LPK09-913-34

    NDS 9" Low Profile Catch Basin Kit with NDS Slotted Grate | Ductile Iron

    NDS 9" Low Profile Catch Basin Kit with NDS Slotted Grate | Ductile Iron

    Regular price From $214.40 USD
    Regular price Sale price From $214.40 USD
    Unit price /  per 
  • Low Profile Catch Basin with Green Atrium Grate

    NDS 12" Low Profile Catch Basin Kit w/1280 Atrium Grate | Green

    NDS 12" Low Profile Catch Basin Kit w/1280 Atrium Grate | Green

    Regular price From $152.35 USD
    Regular price Sale price From $152.35 USD
    Unit price /  per 
  • DG0633 SQUARE DECO Stainless Steel POLYCAST and SS600

    Bronze Age DG0633 DECO 304 Stainless Steel 5.25" x 48" Grate | Class A

    Bronze Age DG0633 DECO 304 Stainless Steel 5.25" x 48" Grate | Class A

    Regular price $203.30 USD
    Regular price Sale price $203.30 USD
    Unit price /  per 
  • NDS1218S Botanical Sand catch basin grate

    NDS 1218S Class B ADA Compliant Botanical HDPE 12" x 12" Grate - SAND

    NDS 1218S Class B ADA Compliant Botanical HDPE 12" x 12" Grate - SAND

    Regular price $85.87 USD
    Regular price Sale price $85.87 USD
    Unit price /  per 
  • ULMA HYDRO PLUS with ULMA 494 ADA Heel proof Polypropylene Black Grate-Class A

    ULMA HYDROPLUS with 494 / PNH100KCAM Polypropylene ADA Heel Proof Grate Class A - BLACK

    Sale

    ULMA HYDROPLUS with 494 / PNH100KCAM Polypropylene ADA Heel Proof Grate Class A - BLACK

    Regular price From $135.09 USD
    Regular price $171.06 USD Sale price From $135.09 USD
    Unit price /  per 
    Sale
  • ULMA HYDRO PLUS with ULMA 410 Galvanized Steel Slotted Grate-Class A

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

    Sale

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

    Regular price From $103.15 USD
    Regular price $132.48 USD Sale price From $103.15 USD
    Unit price /  per 
    Sale
  • ULMA shallow drain channel with stainless steel edge and Iron Age Greek Key grate with Baked on Oil Finish

    ULMA M100KX Kit with Iron Age GA5-20I21 Greek Key Grate – BoOF

    Sale

    ULMA M100KX Kit with Iron Age GA5-20I21 Greek Key Grate – BoOF

    Regular price From $718.03 USD
    Regular price $779.98 USD Sale price From $718.03 USD
    Unit price /  per 
    Sale
  • U100K00M-Interlaken Iron age deco cast iron raw grate polymer concrete galv edge ULMA channel

    ULMA U100K Drainage Kit with Iron Age Interlaken Grate | Natural

    Sale

    ULMA U100K Drainage Kit with Iron Age Interlaken Grate | Natural

    Regular price From $597.86 USD
    Regular price $658.98 USD Sale price From $597.86 USD
    Unit price /  per 
    Sale
  • 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
  • P4-HPP-WHITE_ZURN_Z884 grate

    Zurn P4-HPP-WHITE Class A ADA Compliant Slotted HDPE 4" x 20" Grate - WHITE

    Zurn P4-HPP-WHITE Class A ADA Compliant Slotted HDPE 4" x 20" Grate - WHITE

    Regular price $52.00 USD
    Regular price Sale price $52.00 USD
    Unit price /  per 
  • PCK5-DG0633 POLYCAST 500 with Square Deco Stainless Steel Grate

    POLYCAST 500 Kit w/ DG0633 Stainless Steel Square Deco Grate | Class A

    POLYCAST 500 Kit w/ DG0633 Stainless Steel Square Deco Grate | Class A

    Regular price From $423.98 USD
    Regular price Sale price From $423.98 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST 700 Series Kit w/ DG0641D-G Slotted Ductile Iron-Galvanized Grate & HDPE Frame

    POLYCAST 700 Series Kit w/ DG0641D-G Slotted Ductile Iron-Galvanized Grate & HDPE Frame

    Regular price From $289.60 USD
    Regular price Sale price From $289.60 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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