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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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      • 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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      • TDS
      • Bronze Age
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    • 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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  • Spee-D BA Foam Galvanized Grate

    Bronze Age™ TDS-FOAM-0424 Galvanized Steel 4.09" x 24" Grate

    Bronze Age™ TDS-FOAM-0424 Galvanized Steel 4.09" x 24" Grate

    Regular price $62.70 USD
    Regular price Sale price $62.70 USD
    Unit price /  per 
  • NDS1218 botanical black catch basin grate

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

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

    Regular price $90.92 USD
    Regular price Sale price $90.92 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
  • ULMA polymer concrete linear channel with stainless steel edge with Iron Age Boof Cast Iron Locust grate

    ULMA M100KX w/ Iron Age Locust 5x20 Grate-BoOF

    Sale

    ULMA M100KX w/ Iron Age Locust 5x20 Grate-BoOF

    Regular price From $718.03 USD
    Regular price $779.98 USD Sale price From $718.03 USD
    Unit price /  per 
    Sale
  • BA-SLOT-0312-BF TDS Bronze Age Slotted Ductile Iron Grate with BoOF

    Bronze Age™ BA-SLOT-0312-BF Ductile Iron 3" x 12" Grate -BoOF

    Bronze Age™ BA-SLOT-0312-BF Ductile Iron 3" x 12" Grate -BoOF

    Regular price $64.95 USD
    Regular price Sale price $64.95 USD
    Unit price /  per 
  • 5inch-cast-iron-grate-Minione-raw

    Iron Age IA-MIN-0520 Class B Minnione Cast Iron 122mm x 500mm Grate - RAW

    Iron Age IA-MIN-0520 Class B Minnione Cast Iron 122mm x 500mm Grate - RAW

    Regular price $174.46 USD
    Regular price Sale price $174.46 USD
    Unit price /  per 
  • ULMA D100 w/Bronze Age™ FERN Ductile Iron Grate - RAW

    ULMA D100 w/Bronze Age™ FERN Ductile Iron Grate - RAW

    Sale

    ULMA D100 w/Bronze Age™ FERN Ductile Iron Grate - RAW

    Regular price From $414.64 USD
    Regular price $421.92 USD Sale price From $414.64 USD
    Unit price /  per 
    Sale
  • NDS1218GR botanical Green catch basin grate

    NDS 1218GN Class B ADA Compliant Botanical HDPE 12" x 12" Grate - GREEN

    NDS 1218GN Class B ADA Compliant Botanical HDPE 12" x 12" Grate - GREEN

    Regular price $85.87 USD
    Regular price Sale price $85.87 USD
    Unit price /  per 
  • NDS1218GY botanical Grey catch basin grate

    NDS 1218GY Class B ADA Compliant Botanical HDPE 12" x 12" Grate - GRAY

    NDS 1218GY Class B ADA Compliant Botanical HDPE 12" x 12" Grate - GRAY

    Regular price $85.47 USD
    Regular price Sale price $85.47 USD
    Unit price /  per 
  • ULMA polymer concrete linear channel with stainless steel edge with Iron Age Raw Cast Iron Locust grate

    ULMA M100KX w/ Iron Age Locust 5x20 Grate-RAW

    Sale

    ULMA M100KX w/ Iron Age Locust 5x20 Grate-RAW

    Regular price From $600.77 USD
    Regular price $662.72 USD Sale price From $600.77 USD
    Unit price /  per 
    Sale
  • BA-STAR-0312-B Stars Bronze Age - Brushed Bronze Grate

    Bronze Age BA-STAR-0312-B Stars Bronze Brushed 3" x 12" Grate

    Bronze Age BA-STAR-0312-B Stars Bronze Brushed 3" x 12" Grate

    Regular price $152.50 USD
    Regular price Sale price $152.50 USD
    Unit price /  per 
  • TDS-4in-aluminum-cathedral-TDSdrains

    Bronze Age BA-CATH-4D-A Class A Cathedral Aluminum 4" Dia. Grate

    Bronze Age BA-CATH-4D-A Class A Cathedral Aluminum 4" Dia. Grate

    Regular price $91.00 USD
    Regular price Sale price $91.00 USD
    Unit price /  per 
  • ULMA U100K Drainage Kit w/ TDS Bronze Age Fern Ductile Iron Grate-RAW

    ULMA U100K Drainage Kit w/ TDS Bronze Age Fern Ductile Iron Grate-RAW

    Sale

    ULMA U100K Drainage Kit w/ TDS Bronze Age Fern Ductile Iron Grate-RAW

    Regular price From $155.28 USD
    Regular price $174.64 USD Sale price From $155.28 USD
    Unit price /  per 
    Sale
  • 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
  • NDS-2outlet-catch-basin-3in-outlets-blk-botanical-grate-TDSdrains (1)

    NDS 12" Catch Basin Kit with NDS Botanical Grate | Black

    NDS 12" Catch Basin Kit with NDS Botanical Grate | Black

    Regular price From $174.31 USD
    Regular price Sale price From $174.31 USD
    Unit price /  per 
  • NDS-Dura-XX-LocB-DK Iron Age boof

    NDS Dura Slope Kit with Iron Age Locust 6" Grate - BoOF

    NDS Dura Slope Kit with Iron Age Locust 6" Grate - BoOF

    Regular price From $1,026.35 USD
    Regular price Sale price From $1,026.35 USD
    Unit price /  per 
  • NDS1218CI NDS 12x12" Cast Iron Botanical Catch Basin Grate

    NDS 1218CI-BF Class B Botanical Cast Iron 12" x 12" Grate - BoOF

    NDS 1218CI-BF Class B Botanical Cast Iron 12" x 12" Grate - BoOF

    Regular price $328.46 USD
    Regular price Sale price $328.46 USD
    Unit price /  per 
  • Iron Age IA-LOC-CB24 / LN24-24|14 Class B Locust Cast Iron 24" x 24" Grate - Natural

    Iron Age IA-LOC-CB24 / LN24-24|14 Class B Locust Cast Iron 24" x 24" Grate - Natural

    Iron Age IA-LOC-CB24 / LN24-24|14 Class B Locust Cast Iron 24" x 24" Grate - Natural

    Regular price $792.22 USD
    Regular price Sale price $792.22 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 
  • U100KM-Locust-boof cast iron deco ironage grate polymer concrete ULMA channel galv edge

    ULMA U100K Drainage Kit with Iron Age Locust Grate | Baked on Oil Finish

    Sale

    ULMA U100K Drainage Kit with Iron Age Locust Grate | Baked on Oil Finish

    Regular price From $722.26 USD
    Regular price $785.42 USD Sale price From $722.26 USD
    Unit price /  per 
    Sale
  • ULMA channel with galvanized edge and Carbochon Baked on Oil Finish grate

    ULMA U100K Drainage Kit with Iron Age Carbochon Grate | Baked on Oil Finish

    Sale

    ULMA U100K Drainage Kit with Iron Age Carbochon Grate | Baked on Oil Finish

    Regular price From $722.26 USD
    Regular price $785.42 USD Sale price From $722.26 USD
    Unit price /  per 
    Sale
  • U100KM-Locust Cast Iron Deco Ironage raw grate polymer concrete galv edge ULMA channel

    ULMA U100K Drainage Kit with Iron Age Locust Grate | Natural

    Sale

    ULMA U100K Drainage Kit with Iron Age Locust Grate | Natural

    Regular price From $597.86 USD
    Regular price $658.98 USD Sale price From $597.86 USD
    Unit price /  per 
    Sale
  • Iron Age Paradise 5 inch grate

    Iron Age IA-PAR-0520-BF / PA5-20I21 Class B Paradise Cast Iron 122mm x 494mm Grate - RAW

    Iron Age IA-PAR-0520-BF / PA5-20I21 Class B Paradise Cast Iron 122mm x 494mm Grate - RAW

    Regular price $174.46 USD
    Regular price Sale price $174.46 USD
    Unit price /  per 
  • IA-ANISE-0520-HP Raw Iron Age Grate

    Iron Age IA-ANISE-0520-HP Class B Cast Iron 5x20 Heel Proof ADA Compliant Grate - RAW

    Iron Age IA-ANISE-0520-HP Class B Cast Iron 5x20 Heel Proof ADA Compliant Grate - RAW

    Regular price $174.46 USD
    Regular price Sale price $174.46 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 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
  • 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
  • LD100X-2 Locking Device for ULMA Grates

    LD100X-2 Locking Device for ULMA Grates

    $12.96 $10.08
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