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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
      • Polymer Concrete
      • Stainless Steel
      • Pour in Place (Concrete)
      • All Channel Materials
    • Load Class
      • Load Class A
      • Load Class B
      • Load Class C
      • Load Class D
      • Load Class E
      • Load Class F
      • All Load Classes
  • Grates
    • 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
      • Aluminum
      • Bronze
      • Ductile/Cast Iron
      • Fiberglass
      • Galvanized Steel
      • Plastic
      • Stainless Steel
      • All Grate Materials
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      • Load Class A
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  • NDS 540 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - WHITE

    NDS 540 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - WHITE

    NDS 540 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - WHITE

    Regular price $468.47 USD
    Regular price Sale price $468.47 USD
    Unit price /  per 
  • U100KM-Locust-boof cast iron deco ironage grate polymer concrete ULMA channel galv edge

    ULMA U100KX Drain Channel w/ Iron Age Locust Grate-BoOF

    Sale

    ULMA U100KX Drain Channel w/ Iron Age Locust Grate-BoOF

    Regular price From $351.82 USD
    Regular price $385.74 USD Sale price From $351.82 USD
    Unit price /  per 
    Sale
  • NDS 555GY - Box of 16 - Class B ADA Compliant Wave Polyolefin 3" x 36" Grate - GRAY

    NDS 555GY - Box of 16 - Class B ADA Compliant Wave Polyolefin 3" x 36" Grate - GRAY

    NDS 555GY - Box of 16 - Class B ADA Compliant Wave Polyolefin 3" x 36" Grate - GRAY

    Regular price $596.74 USD
    Regular price Sale price $596.74 USD
    Unit price /  per 
  • NDS 554 - Box of 16 - Class B ADA Compliant Botanical Polyolefin 3" x 36" Grate - BLACK

    NDS 554 - Box of 16 - Class B ADA Compliant Botanical Polyolefin 3" x 36" Grate - BLACK

    NDS 554 - Box of 16 - Class B ADA Compliant Botanical Polyolefin 3" x 36" Grate - BLACK

    Regular price $596.76 USD
    Regular price Sale price $596.76 USD
    Unit price /  per 
  • NDS 3" Sand Mini Channel End Caps MCKS-547-TDSdrains

    NDS 547S Mini Channel End Cap - SAND

    NDS 547S Mini Channel End Cap - SAND

    Regular price $12.63 USD
    Regular price Sale price $12.63 USD
    Unit price /  per 
  • NDS 543 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - BLACK

    NDS 543 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - BLACK

    NDS 543 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - BLACK

    Regular price $468.47 USD
    Regular price Sale price $468.47 USD
    Unit price /  per 
  • NDS 554S - Box of 16 - Class B ADA Compliant Botanical Polyolefin 3" x 36" Grate - SAND

    NDS 554S - Box of 16 - Class B ADA Compliant Botanical Polyolefin 3" x 36" Grate - SAND

    NDS 554S - Box of 16 - Class B ADA Compliant Botanical Polyolefin 3" x 36" Grate - SAND

    Regular price $596.74 USD
    Regular price Sale price $596.74 USD
    Unit price /  per 
  • ULMA polymer concrete linear channel with stainless steel edge with Raw Iron Age Interlaken grate

    M100KX w/ Interlaken Iron Age Grate & Stainless Edge -RAW

    Sale

    M100KX w/ Interlaken Iron Age Grate & Stainless Edge -RAW

    Regular price From $3,167.19 USD
    Regular price $3,463.95 USD Sale price From $3,167.19 USD
    Unit price /  per 
    Sale
  • IronAgeDSC01317 HP Regular Joe Cast Iron

    Iron Age IA-JOE-0218-HP Class B HP Regular Joe Ductile Iron 2" x 18" Grate – RAW

    Iron Age IA-JOE-0218-HP Class B HP Regular Joe Ductile Iron 2" x 18" Grate – RAW

    Regular price $97.24 USD
    Regular price Sale price $97.24 USD
    Unit price /  per 
  • ULMA drain channel with stainless steel edge and Iron Age Oblio grate

    ULMA U100KX Drain Channel w/ Iron Age Oblio Grate - RAW

    Sale

    ULMA U100KX Drain Channel w/ Iron Age Oblio Grate - RAW

    Regular price From $289.62 USD
    Regular price $322.52 USD Sale price From $289.62 USD
    Unit price /  per 
    Sale
  • Ironage-12x12-Cast-Iron-Oblio-Grate-catch-basin-kit

    NDS 12" Catch Basin Kit with Iron Age Oblio Grate | Natural

    NDS 12" Catch Basin Kit with Iron Age Oblio Grate | Natural

    Regular price From $314.83 USD
    Regular price Sale price From $314.83 USD
    Unit price /  per 
  • U1KX-IA-QUE-HP

    ULMA U100KX Drain Channel w/ Iron Age Que Grate-RAW

    Sale

    ULMA U100KX Drain Channel w/ Iron Age Que Grate-RAW

    Regular price From $289.62 USD
    Regular price $322.52 USD Sale price From $289.62 USD
    Unit price /  per 
    Sale
  • NDS 542 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - GREEN

    NDS 542 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - GREEN

    NDS 542 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - GREEN

    Regular price $468.47 USD
    Regular price Sale price $468.47 USD
    Unit price /  per 
  • NDS900-catch-basin 9x9 NDS

    NDS 9" Catch Basin Kit with Iron Age Interlaken Grate | Natural

    NDS 9" Catch Basin Kit with Iron Age Interlaken Grate | Natural

    Regular price From $261.78 USD
    Regular price Sale price From $261.78 USD
    Unit price /  per 
  • NDS-550-Sand-Channel-Atrium-Outlet.1

    NDS 550 Mini Channel 3″ x 36″ with Bottom Outlet – SAND

    NDS 550 Mini Channel 3″ x 36″ with Bottom Outlet – SAND

    Regular price $73.43 USD
    Regular price Sale price $73.43 USD
    Unit price /  per 
  • U100K-MissionBay Cast Iron deco ironage grate polymer concrete channel ULMA galv edge

    ULMA U100K Drainage Kit with Iron Age Mission Bay Grate | Natural

    Sale

    ULMA U100K Drainage Kit with Iron Age Mission Bay Grate | Natural

    Regular price From $605.00 USD
    Regular price $668.16 USD Sale price From $605.00 USD
    Unit price /  per 
    Sale
  • DSK-IA-INTER NDS Duraslope with Iron Age Interlaken grate

    NDS Dura Slope Kit w/Iron Age Interlaken Grate - RAW

    NDS Dura Slope Kit w/Iron Age Interlaken Grate - RAW

    Regular price From $911.95 USD
    Regular price Sale price From $911.95 USD
    Unit price /  per 
  • NDS555GY-Grey-wave-grate-TDS

    NDS 554GY Class B ADA Compliant Botanical Polyolefin 3" x 36" Grate - GRAY

    NDS 554GY Class B ADA Compliant Botanical Polyolefin 3" x 36" Grate - GRAY

    Regular price $37.30 USD
    Regular price Sale price $37.30 USD
    Unit price /  per 
  • NDS 555GR - Box of 16 - Class B ADA Compliant Wave Polyolefin 3" x 36" Grate - GREEN

    NDS 555GR - Box of 16 - Class B ADA Compliant Wave Polyolefin 3" x 36" Grate - GREEN

    NDS 555GR - Box of 16 - Class B ADA Compliant Wave Polyolefin 3" x 36" Grate - GREEN

    Regular price $596.74 USD
    Regular price Sale price $596.74 USD
    Unit price /  per 
  • ULMA HYDRO PLUS with IA-RIV-0520-BF Iron Age River Rock Grate- BoOF Class B

    ULMA HYDROPLUS with Iron Age IA-RIV-0520-BF River Rock - BoOF

    Sale

    ULMA HYDROPLUS with Iron Age IA-RIV-0520-BF River Rock - BoOF

    Regular price From $559.11 USD
    Regular price $583.04 USD Sale price From $559.11 USD
    Unit price /  per 
    Sale
  • DG3043D 3000 Series Black Transverse Slotted ADA Grate Class D400

    DG3043D Class D ADA Compliant Transverse Slotted Ductile Iron 8"x24"x1.5" Grate

    DG3043D Class D ADA Compliant Transverse Slotted Ductile Iron 8"x24"x1.5" Grate

    Regular price $74.58 USD
    Regular price Sale price $74.58 USD
    Unit price /  per 
  • ULMA HYDRO PLUS with IA-JOE-0520-BF Iron Age Regular Joe BoOF Grate Class B

    ULMA HYDROPLUS with Iron Age RJA5-20I21 / IA-JOE-0520 Regular Joe Raw Cast Iron Grate Class B

    Sale

    ULMA HYDROPLUS with Iron Age RJA5-20I21 / IA-JOE-0520 Regular Joe Raw Cast Iron Grate Class B

    Regular price From $434.71 USD
    Regular price $456.60 USD Sale price From $434.71 USD
    Unit price /  per 
    Sale
  • NDS 544 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - SAND

    NDS 544 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - SAND

    NDS 544 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - SAND

    Regular price $468.47 USD
    Regular price Sale price $468.47 USD
    Unit price /  per 
  • M100K-RegularJoe Cast Iron Deco raw Iron Age grate polymer concrete galv edge ULMA channel

    ULMA M100K/Iron Age Regular Joe

    Sale

    ULMA M100K/Iron Age Regular Joe

    Regular price From $518.94 USD
    Regular price $557.52 USD Sale price From $518.94 USD
    Unit price /  per 
    Sale
  • NDS 554CI Cast Iron BOOF 3x12 botanical grate

    NDS 554CI-BF Class B ADA Compliant Botanical Cast Iron 3" x 12" Grate - BoOF

    NDS 554CI-BF Class B ADA Compliant Botanical Cast Iron 3" x 12" Grate - BoOF

    Regular price $93.76 USD
    Regular price Sale price $93.76 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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