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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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      • Fiberglass
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      • TDS
      • Bronze Age
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      • Polylok
      • ULMA
      • Zurn
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    • Popular Drainage Systems
      • Dura Slope
      • FP1200
      • Mini Channel
      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
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  • Rain Drop Grate on Sand Mini Channel

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Rain Drop Grate - Natural

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Rain Drop Grate - Natural

    Regular price From $471.47 USD
    Regular price Sale price From $471.47 USD
    Unit price /  per 
  • Stainless Steel Perforated 3 inch Mini Channel Grate

    Perforated 316 Stainless Steel Grate 3″x36″ Load Class B

    Perforated 316 Stainless Steel Grate 3″x36″ Load Class B

    Regular price $249.00 USD
    Regular price Sale price $249.00 USD
    Unit price /  per 
  • IA-Dura-Slope-CI-grate-Interlaken-raw-6x24-TDSdrains

    Iron Age IA-INTER-0624 Class B Interlaken Cast Iron 6″ x 24″ Grate - RAW

    Iron Age IA-INTER-0624 Class B Interlaken Cast Iron 6″ x 24″ Grate - RAW

    Regular price $300.30 USD
    Regular price Sale price $300.30 USD
    Unit price /  per 
  • IA-Dura-Slope-CI-grate-Locust-BooF-6x24-TDSdrains

    Iron Age IA-LOC-0624-BF Class B Locust Cast Iron 6″ x 24″ Grate - BoOF

    Iron Age IA-LOC-0624-BF Class B Locust Cast Iron 6″ x 24″ Grate - BoOF

    Regular price $363.22 USD
    Regular price Sale price $363.22 USD
    Unit price /  per 
  • Stainless Steel Perforated 3 inch Mini Channel Grate

    Perforated 304 Stainless Steel Grate 3″x36″ Load Class B

    Perforated 304 Stainless Steel Grate 3″x36″ Load Class B

    Regular price $153.00 USD
    Regular price Sale price $153.00 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 $253.20 USD
    Regular price Sale price From $253.20 USD
    Unit price /  per 
  • BA-LUNA-0312 TDS Luna Natural Bronze Grate

    Bronze Age BA-LUNA-0312 Luna Bronze Natural 3" x 12" Grate

    Bronze Age BA-LUNA-0312 Luna Bronze Natural 3" x 12" Grate

    Regular price $136.00 USD
    Regular price Sale price $136.00 USD
    Unit price /  per 
  • Iron Age-IA CARB-0820 2

    Iron Age IA-CARB-0820 Class B Carbochon Cast Iron Grate - RAW 8" x 20"

    Iron Age IA-CARB-0820 Class B Carbochon Cast Iron Grate - RAW 8" x 20"

    Regular price $291.72 USD
    Regular price Sale price $291.72 USD
    Unit price /  per 
  • BA-STAR-0312-D TDS Bronze Age Star Grate in Ductile Iron

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

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

    Regular price $63.95 USD
    Regular price Sale price $63.95 USD
    Unit price /  per 
  • BA-SLOT-0336 Stainless Steel Slot 3x36

    Bronze Age TDS-SLOT-0336-L Slotted 316L Stainless Steel 3″x36″ Grate Load Class B

    Bronze Age TDS-SLOT-0336-L Slotted 316L Stainless Steel 3″x36″ Grate Load Class B

    Regular price $249.00 USD
    Regular price Sale price $249.00 USD
    Unit price /  per 
  • BA-SLOT-0312-A Bronze Age Aluminum Slotted Grate

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

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

    Regular price $91.00 USD
    Regular price Sale price $91.00 USD
    Unit price /  per 
  • BA-PED-0312 Mini Channel Pedreda Grate

    Bronze Age™ BA-PED-0312-A Class A Pedreda Aluminum 3" x 12" Grate

    Bronze Age™ BA-PED-0312-A Class A Pedreda Aluminum 3" x 12" Grate

    Regular price $91.00 USD
    Regular price Sale price $91.00 USD
    Unit price /  per 
  • MMS-SS-CATH MAX Mini kit with sand channel and stainless steel grate

    3" Sand MAX Mini Kit w/ Cathedral HP 316L Stainless Steel Grate

    3" Sand MAX Mini Kit w/ Cathedral HP 316L Stainless Steel Grate

    Regular price From $684.98 USD
    Regular price Sale price From $684.98 USD
    Unit price /  per 
  • MCKS-TDS570-B-TDSdrains Sand Mini Channel with Deco Cathedral Bronze Grate

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

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

    Regular price From $520.97 USD
    Regular price Sale price From $520.97 USD
    Unit price /  per 
  • Tardis Bronze Grates

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

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

    Regular price From $1,012.40 USD
    Regular price Sale price From $1,012.40 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 
  • TDS-mini-channel-bronze-raindrop-brushedSatin

    Bronze Age BA-RAIN-0312-B Class A Rain Drop Bronze Brushed Finish 3" x 12" Grate

    Bronze Age BA-RAIN-0312-B Class A Rain Drop Bronze Brushed Finish 3" x 12" Grate

    Regular price $152.50 USD
    Regular price Sale price $152.50 USD
    Unit price /  per 
  • 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 $63.95 USD
    Regular price Sale price $63.95 USD
    Unit price /  per 
  • NDS500S-BA-LUNA-A NDS Mini Channel Bronze Age Aluminum Luna Grate

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

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

    Regular price From $336.47 USD
    Regular price Sale price From $336.47 USD
    Unit price /  per 
  • Tardis Bronze Grates

    NDS 3" Gray Mini Channel Kit with TDS Bronze Age Tardis Grate - Brushed

    NDS 3" Gray Mini Channel Kit with TDS Bronze Age Tardis Grate - Brushed

    Regular price From $1,111.40 USD
    Regular price Sale price From $1,111.40 USD
    Unit price /  per 
  • IA-Dura-Slope-CI-grate-Interlaken-BooF-6x24-TDSdrains

    Iron Age IA-INTER-0624-BF Class B Interlaken Cast Iron 6″ x 24″ Grate - BoOF

    Iron Age IA-INTER-0624-BF Class B Interlaken Cast Iron 6″ x 24″ Grate - BoOF

    Regular price $363.22 USD
    Regular price Sale price $363.22 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 
  • Trench Drain Systems satin bronze cathedral grates for NDS mini channel

    Bronze Age BA-CATH-0312-B Class A Cathedral Bronze Brushed Finish 3" x 12" Grate

    Bronze Age BA-CATH-0312-B Class A Cathedral Bronze Brushed Finish 3" x 12" Grate

    Regular price $152.50 USD
    Regular price Sale price $152.50 USD
    Unit price /  per 
  • BA-LUNA-0312-BF TDS Bronze Age Luna Grate in Ductile Iron with BoOF finish

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

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

    Regular price $63.95 USD
    Regular price Sale price $63.95 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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