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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
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      • Load Class A
      • Load Class B
      • Load Class C
      • Load Class D
      • Load Class E
      • Load Class F
      • 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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      • Bronze
      • Ductile/Cast Iron
      • Fiberglass
      • Galvanized Steel
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  • MMG-BF-PED-B

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze Pedreda Grates & Oil Rubbed Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze Pedreda Grates & Oil Rubbed Bronze Edge

    Regular price From $1,198.59 USD
    Regular price Sale price From $1,198.59 USD
    Unit price /  per 
  • MMG-SB-PED-B

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze Pedreda Grates & Satin Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze Pedreda Grates & Satin Bronze Edge

    Regular price From $1,198.59 USD
    Regular price Sale price From $1,198.59 USD
    Unit price /  per 
  • Slim Channel 9303 Fabricated 45 Degree Angle with Gray Slotted Grate

    NDS 9303 Slim Channel 45 Degree Elbow with Gray Slotted Grate

    NDS 9303 Slim Channel 45 Degree Elbow with Gray Slotted Grate

    Regular price $40.42 USD
    Regular price Sale price $40.42 USD
    Unit price /  per 
  • NDS 555CI Class B ADA Compliant Wave Cast Iron 3" x 12" Grate - RAW

    NDS 555CI Class B ADA Compliant Wave Cast Iron 3" x 12" Grate - RAW

    NDS 555CI Class B ADA Compliant Wave Cast Iron 3" x 12" Grate - RAW

    Regular price $78.76 USD
    Regular price Sale price $78.76 USD
    Unit price /  per 
  • ULMA Hydro Mini Plus with ULMA 494 ADA Heel proof Polypropylene Black Grate Class A

    ULMA HYDROPLUS Mini with 494/PNH100KCAM Slotted HP Grate Class A

    Sale

    ULMA HYDROPLUS Mini with 494/PNH100KCAM Slotted HP Grate Class A

    Regular price From $96.81 USD
    Regular price $117.62 USD Sale price From $96.81 USD
    Unit price /  per 
    Sale
  • Mini Channel with Carbochan

    NDS 3" Gray Mini Channel Kit with Iron Age Carbochon Grate - Natural

    NDS 3" Gray Mini Channel Kit with Iron Age Carbochon Grate - Natural

    Regular price From $584.22 USD
    Regular price Sale price From $584.22 USD
    Unit price /  per 
  • MCKS-IA-Carb-TDSdrains NDS Sand Mini Channel with Iron Age Carbochon Grate

    NDS 3" Sand Mini Channel Kit with Iron Age Carbochon Grate - Natural

    NDS 3" Sand Mini Channel Kit with Iron Age Carbochon Grate - Natural

    Regular price From $590.07 USD
    Regular price Sale price From $590.07 USD
    Unit price /  per 
  • MCK-BA-FOAM-0336 Grey NDS Mini Channel with Stainless Steel Perforated Foam Grate

    NDS 3" Gray Mini Channel Kit w/ TDS Perforated Foam Heel Proof Grate - 316 Stainless

    NDS 3" Gray Mini Channel Kit w/ TDS Perforated Foam Heel Proof Grate - 316 Stainless

    Regular price From $306.44 USD
    Regular price Sale price From $306.44 USD
    Unit price /  per 
  • MMG-BF-LUNA-B

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze Luna Grate & Oil Rubbed Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze Luna Grate & Oil Rubbed Bronze Edge

    Regular price From $1,198.59 USD
    Regular price Sale price From $1,198.59 USD
    Unit price /  per 
  • TDS-BARS-0312-A Aluminum Bronze Age Bars Grate

    Bronze Age™ BA-BARS-0312-A Bars Aluminum 3" x 12" Grate

    Bronze Age™ BA-BARS-0312-A Bars Aluminum 3" x 12" Grate

    Regular price $91.00 USD
    Regular price Sale price $91.00 USD
    Unit price /  per 
  • MMG-SB-PED

    TDS™ 3" Gray MAX Mini w/ Natural Bronze Pedreda Grates & Satin Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Natural Bronze Pedreda Grates & Satin Bronze Edge

    Regular price From $1,033.59 USD
    Regular price Sale price From $1,033.59 USD
    Unit price /  per 
  • NDS 555 - Box of 16 - Class B ADA Compliant Wave Polyolefin 3" x 36" Grate - BLACK

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

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

    Regular price $596.76 USD
    Regular price Sale price $596.76 USD
    Unit price /  per 
  • TDS 3" Mini Channel Aluminum Rain Drop Natural Grate

    Bronze Age BA-RAIN-0312-A Class A Rain Drop Aluminum 3" x 12" Grate

    Bronze Age BA-RAIN-0312-A Class A Rain Drop Aluminum 3" x 12" Grate

    Regular price $91.00 USD
    Regular price Sale price $91.00 USD
    Unit price /  per 
  • NDS 555S - Box of 16 - Class B ADA Compliant Wave Polyolefin 3" x 36" Grate - SAND

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

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

    Regular price $596.74 USD
    Regular price Sale price $596.74 USD
    Unit price /  per 
  • MCK-BA-cath-0336 Grey NDS Mini Channel with Stainless Steel Cathedral Grate

    3" Gray NDS Mini Channel Kit w/Cathedral 316L Stainless Steel HP Grates

    3" Gray NDS Mini Channel Kit w/Cathedral 316L Stainless Steel HP Grates

    Regular price From $306.44 USD
    Regular price Sale price From $306.44 USD
    Unit price /  per 
  • Trench Drain Systems natural bronze cathedral grates for NDS mini channel

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

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

    Regular price $136.00 USD
    Regular price Sale price $136.00 USD
    Unit price /  per 
  • IA-QUE-3x12 Iron Age Cast Iron for Mini Channel

    Iron Age IA-QUE-0312-HP Class B Transverse Slotted Cast Iron 3" x 12" Grate - RAW

    Sale

    Iron Age IA-QUE-0312-HP Class B Transverse Slotted Cast Iron 3" x 12" Grate - RAW

    Regular price $78.65 USD
    Regular price $78.65 USD Sale price $78.65 USD
    Unit price /  per 
    Sale
  • BA-TAR-0312-BF TDS Bronze Age Tardis grate in BoOF

    TDS® 3" Sand Max Mini w/ Bronze Age™ Tardis Grate - BoOF & Oil Rubbed Bronze Edge

    TDS® 3" Sand Max Mini w/ Bronze Age™ Tardis Grate - BoOF & Oil Rubbed Bronze Edge

    Regular price From $716.46 USD
    Regular price Sale price From $716.46 USD
    Unit price /  per 
  • ULMA HYDROPLUS Mini Channel

    ULMA HYDROPLUS Mini Shallow Channel 1M Section

    Sale

    ULMA HYDROPLUS Mini Shallow Channel 1M Section

    Regular price $16.00 USD
    Regular price $16.00 USD Sale price $16.00 USD
    Unit price /  per 
    Sale
  • NDS500S-BA-STAR-A NDS SAND MINI CHANNEL BRONZE AGE STARS ALUMINUM GRATE

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

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

    Regular price From $336.47 USD
    Regular price Sale price From $336.47 USD
    Unit price /  per 
  • Iron Age Raw Acanthus Grate in Sand Mini Channel MCKS-IA-Aca

    NDS 3" Sand Mini Channel Kit with Iron Age Acanthus Grate - Natural

    NDS 3" Sand Mini Channel Kit with Iron Age Acanthus Grate - Natural

    Regular price From $618.67 USD
    Regular price Sale price From $618.67 USD
    Unit price /  per 
  • MMG-SB-BA-BARS-B

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze BARS Grate & Satin Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze BARS Grate & Satin Bronze Edge

    Regular price From $1,198.59 USD
    Regular price Sale price From $1,198.59 USD
    Unit price /  per 
  • TDS 3" Bronze Natural Mini Channel Grate

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

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

    Regular price $136.00 USD
    Regular price Sale price $136.00 USD
    Unit price /  per 
  • NDS554-black-botanical-grate-TDS

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

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

    Regular price $37.30 USD
    Regular price Sale price $37.30 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 $64.95 USD
    Regular price Sale price $64.95 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 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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