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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
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      • Pour in Place (Concrete)
      • All Channel Materials
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      • Load Class A
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      • Load Class D
      • 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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  • TDS DG3042D Class D Slotted Ductile Iron 8" x 24" Grate

    TDS DG3042D Class D Slotted Ductile Iron 8" x 24" Grate

    TDS DG3042D Class D Slotted Ductile Iron 8" x 24" Grate

    Regular price $76.15 USD
    Regular price Sale price $76.15 USD
    Unit price /  per 
  • IA-CARB-0312-BooF for mini channel

    Iron Age IA-CARB-0314-BF Class B Carbochon Cast Iron 3" x 14" Grate – BoOF

    Iron Age IA-CARB-0314-BF Class B Carbochon Cast Iron 3" x 14" Grate – BoOF

    Regular price $118.69 USD
    Regular price $118.69 USD Sale price $118.69 USD
    Unit price /  per 
  • BA-CATH-0312-D Bronze Age Cathedral Grate Ductile Iron

    Bronze Age™ BA-CATH-0312-D Ductile Iron 3" x 12" Grate - RAW

    Bronze Age™ BA-CATH-0312-D Ductile Iron 3" x 12" Grate - RAW

    Regular price $39.95 USD
    Regular price Sale price $39.95 USD
    Unit price /  per 
  • Spee-D BA Square Deco Galvanized Grate

    Bronze Age TDS-DECO-0448 Galvanized Steel 4.09" x 48" (Nominal) Grate

    Bronze Age TDS-DECO-0448 Galvanized Steel 4.09" x 48" (Nominal) Grate

    Regular price $125.40 USD
    Regular price Sale price $125.40 USD
    Unit price /  per 
  • 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 $92.95 USD
    Regular price Sale price $92.95 USD
    Unit price /  per 
  • 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 $367.51 USD
    Regular price Sale price $367.51 USD
    Unit price /  per 
  • Spee-D BA Square Deco Stainless Steel Grate

    Bronze Age TDS-DECO-0448-S 304 Stainless Steel 4.09" x 48" (Nominal) Grate

    Bronze Age TDS-DECO-0448-S 304 Stainless Steel 4.09" x 48" (Nominal) Grate

    Regular price $312.39 USD
    Regular price Sale price $312.39 USD
    Unit price /  per 
  • DG0623 Square Deco Galvanized Steel POLYCAST and SS600

    Bronze Age™ DG0623H DECO Galvanized Steel 5.19" x 24" Grate

    Bronze Age™ DG0623H DECO Galvanized Steel 5.19" x 24" Grate

    Regular price $55.70 USD
    Regular price Sale price $55.70 USD
    Unit price /  per 
  • Spee-D BA Cathedral Stainless Steel Grate

    Bronze Age™ TDS-CATH-0424-S 304 Stainless Steel 4.09" x 24" Grate

    Bronze Age™ TDS-CATH-0424-S 304 Stainless Steel 4.09" x 24" Grate

    Regular price $156.20 USD
    Regular price Sale price $156.20 USD
    Unit price /  per 
  • Trench Drain Systems natural aluminum cathedral grates for NDS mini channel

    Bronze Age BA-CATH-0312-A Class A Cathedral Aluminum 3" x 12" Grate

    Bronze Age BA-CATH-0312-A Class A Cathedral Aluminum 3" x 12" Grate

    Regular price $91.00 USD
    Regular price Sale price $91.00 USD
    Unit price /  per 
  • BA-Cath-0312-BF

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

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

    Regular price $63.95 USD
    Regular price Sale price $63.95 USD
    Unit price /  per 
  • Mini-Acanthus-Raw 3x12 Iron Age deco grate

    Iron Age IA-ACA-0312 Class B Acanthus Cast Iron 3" x 12" Grate - RAW

    Iron Age IA-ACA-0312 Class B Acanthus Cast Iron 3" x 12" Grate - RAW

    Regular price $74.36 USD
    Regular price Sale price $74.36 USD
    Unit price /  per 
  • 5inch-cast-iron-que-hp

    Iron Age IA-QUE-0520-HP Class B Heel-Proof Cast Iron 122mm x 500mm Grate - RAW

    Iron Age IA-QUE-0520-HP Class B Heel-Proof Cast Iron 122mm x 500mm Grate - RAW

    Regular price $167.31 USD
    Regular price Sale price $167.31 USD
    Unit price /  per 
  • BA-PED-0312-BF TDS Bronze Age Pedreda BoOF grate

    Bronze Age™ BA-PED-0312-BF Ductile Iron 3″ x 12″ Grate -BoOF

    Bronze Age™ BA-PED-0312-BF Ductile Iron 3″ x 12″ Grate -BoOF

    Regular price $63.95 USD
    Regular price Sale price $63.95 USD
    Unit price /  per 
  • IA-CARB-0312 Iron Age Carbochon

    Iron Age IA-CARB-0314 Class B Carbochon Cast Iron 3" x 14" Grate – RAW

    Iron Age IA-CARB-0314 Class B Carbochon Cast Iron 3" x 14" Grate – RAW

    Regular price $84.37 USD
    Regular price $84.37 USD Sale price $84.37 USD
    Unit price /  per 
  • BA-BARS-0312-D Ductile Iron Bronze Age Bars Grate

    Bronze Age™ BA-BARS-0312-D Ductile Iron 3" x 12" Grate - RAW

    Bronze Age™ BA-BARS-0312-D Ductile Iron 3" x 12" Grate - RAW

    Regular price $39.95 USD
    Regular price Sale price $39.95 USD
    Unit price /  per 
  • BA-RAIN-0312-D TDS Bronze Age Rain Drop Grate in Ductile Iron

    Bronze Age™ BA-RAIN-0312-D Ductile Iron 3" x 12" Grate - RAW

    Bronze Age™ BA-RAIN-0312-D Ductile Iron 3" x 12" Grate - RAW

    Regular price $39.95 USD
    Regular price Sale price $39.95 USD
    Unit price /  per 
  • IA-Spee-D-Locust-Grate-4x24-fullview raw cast iron grate

    Iron Age IA-LOC-0424 Class B Locust Cast Iron 4" x 24" Grate - RAW

    Iron Age IA-LOC-0424 Class B Locust Cast Iron 4" x 24" Grate - RAW

    Regular price $154.44 USD
    Regular price Sale price $154.44 USD
    Unit price /  per 
  • Iron Age | Class B | Heel-Proof Rain Cast Iron 3" x 12" Grate | BoOF

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

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

    Regular price $108.68 USD
    Regular price Sale price $108.68 USD
    Unit price /  per 
  • Spee-D BA Cathedral Galvanized Grate

    Bronze Age™ TDS-CATH-0424 Galvanized Steel 4" x 24" Grate

    Bronze Age™ TDS-CATH-0424 Galvanized Steel 4" x 24" Grate

    Regular price $62.70 USD
    Regular price Sale price $62.70 USD
    Unit price /  per 
  • TDS Slotted Bronze Natural grate 0312

    Bronze Age BA-SLOT-0312 Class A Bronze Natural Finish 3" x 12" Grate

    Bronze Age BA-SLOT-0312 Class A Bronze Natural Finish 3" x 12" Grate

    Regular price $136.00 USD
    Regular price Sale price $136.00 USD
    Unit price /  per 
  • Spee-D BA Cathedral Stainless Steel Grate

    Bronze Age TDS-CATH-0448-S 304 Stainless Steel 4.09" x 48" (Nominal) Grate

    Bronze Age TDS-CATH-0448-S 304 Stainless Steel 4.09" x 48" (Nominal) Grate

    Regular price $312.39 USD
    Regular price Sale price $312.39 USD
    Unit price /  per 
  • IA-Dura-Slope-CI-grate-Locust-BooF-6x24-TDSdrains

    Iron Age IA-LOC-0312-BF Class B Cast Iron 3" x 12" Grate - BoOF

    Iron Age IA-LOC-0312-BF Class B Cast Iron 3" x 12" Grate - BoOF

    Regular price $108.68 USD
    Regular price Sale price $108.68 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 HYDROPLUS Mini w/ BARS Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ BARS Ductile Iron Grate Class C

    $237.16 $183.00
  • ULMA HYDROPLUS Mini w/ FERN Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ FERN Ductile Iron Grate Class C

    $237.16 $183.00
  • ULMA HYDROPLUS Mini w/ CATHEDRAL Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ CATHEDRAL Ductile Iron Grate Class C

    $237.16 $183.00
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