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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
      • Polymer Concrete
      • Stainless Steel
      • Pour in Place (Concrete)
      • All Channel Materials
    • Load Class
      • Load Class A
      • Load Class B
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      • 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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      • Ductile/Cast Iron
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  • POLY500-PE-641D-TDSdrains HPDE frame ductile iron slotted grate POLYCAST shallow polymer concrete channel

    POLYCAST 500 Series Kit with DG0641D Slotted Ductile Iron Grate and HDPE Frame

    POLYCAST 500 Series Kit with DG0641D Slotted Ductile Iron Grate and HDPE Frame

    Regular price From $396.68 USD
    Regular price Sale price From $396.68 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

    Sale

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

    Regular price $88.66 USD
    Regular price $88.66 USD Sale price $88.66 USD
    Unit price /  per 
    Sale
  • TDS Aluminum Tardis Class A Grate-NDS Sand Mini Channel-1

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

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

    Regular price From $336.47 USD
    Regular price Sale price From $336.47 USD
    Unit price /  per 
  • NDS-speeD400-240-TDSdrains

    NDS Spee-D® Channel w/ 240 Slotted HDPE 4"x24" White Grate

    NDS Spee-D® Channel w/ 240 Slotted HDPE 4"x24" White Grate

    Regular price From $128.70 USD
    Regular price Sale price From $128.70 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 
  • MCK-BA-DECO-0336 Grey NDS Mini Channel with Stainless Steel Square Deco Grate

    NDS® 3" Gray Mini Channel Kit w/Square Deco 316L Stainless Steel HP Grates

    NDS® 3" Gray Mini Channel Kit w/Square Deco 316L Stainless Steel HP Grates

    Regular price From $306.44 USD
    Regular price Sale price From $306.44 USD
    Unit price /  per 
  • 00690240 EJ 6902M2 heavy duty grate

    6902M2 Heavy Duty Cast Iron 10″ x 24″ x 2" Grate

    6902M2 Heavy Duty Cast Iron 10″ x 24″ x 2" Grate

    Regular price $260.38 USD
    Regular price Sale price $260.38 USD
    Unit price /  per 
  • Pedreda Grates

    NDS 3" Gray Mini Channel Kit with TDS Bronze Age Pedreda Grate - Aluminum

    NDS 3" Gray Mini Channel Kit with TDS Bronze Age Pedreda Grate - Aluminum

    Regular price From $330.44 USD
    Regular price Sale price From $330.44 USD
    Unit price /  per 
  • MCKS-555CI-TDSdrains sand channel wave cast iron nds grate

    NDS 3" Sand Mini Channel Kit with NDS Wave Grate - Natural

    NDS 3" Sand Mini Channel Kit with NDS Wave Grate - Natural

    Regular price From $299.74 USD
    Regular price Sale price From $299.74 USD
    Unit price /  per 
  • Iron Age IA-ANISE-4D-BF Class B Anise Cast Iron 4" Dia. Grate - BoOF

    Iron Age IA-ANISE-4D-BF Class B Anise Cast Iron 4" Dia. Grate - BoOF

    Iron Age IA-ANISE-4D-BF Class B Anise Cast Iron 4" Dia. Grate - BoOF

    Regular price $77.22 USD
    Regular price Sale price $77.22 USD
    Unit price /  per 
  • MCKS-BA-STAR-D NDS Mini Channel in Sand with TDS Bronze age Ductile Iron Star Grate

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Star Grate - Ductile Iron

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Star Grate - Ductile Iron

    Regular price From $183.32 USD
    Regular price Sale price From $183.32 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 
  • TDS-BARS-0312 Natural Bronze Age Grates Transverse Slotted Grate

    Bronze Age BA-BARS-0312 Bars Bronze Natural 3" x 12" Grate

    Bronze Age BA-BARS-0312 Bars Bronze Natural 3" x 12" Grate

    Regular price $136.00 USD
    Regular price Sale price $136.00 USD
    Unit price /  per 
  • NDS900-4-Catch-Basin (1)

    NDS 9" Catch Basin Kit with NDS Slotted Grate | Green

    NDS 9" Catch Basin Kit with NDS Slotted Grate | Green

    Regular price From $103.50 USD
    Regular price Sale price From $103.50 USD
    Unit price /  per 
  • Pedreda Aluminum Grates

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

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

    Regular price From $336.47 USD
    Regular price Sale price From $336.47 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 
  • NDS-speeD400-251-TDSdrains

    NDS Spee-D® Channel w/ 251 Slotted HDPE 4"x24" Brick Red Grate

    NDS Spee-D® Channel w/ 251 Slotted HDPE 4"x24" Brick Red Grate

    Regular price From $131.69 USD
    Regular price Sale price From $131.69 USD
    Unit price /  per 
  • BA-WAVE-0520

    Bronze Age™ BA-WAVE-0520 Ductile Iron 5" x 20" Grate - RAW

    Bronze Age™ BA-WAVE-0520 Ductile Iron 5" x 20" Grate - RAW

    Regular price $87.50 USD
    Regular price Sale price $87.50 USD
    Unit price /  per 
  • TDS 3000 galvanized grate DG3048R

    TDS DG3048R Class C BAR Galvanized 8" x 24" Grate

    TDS DG3048R Class C BAR Galvanized 8" x 24" Grate

    Regular price $402.10 USD
    Regular price Sale price $402.10 USD
    Unit price /  per 
  • IA-Interlaken-raw-3x11-full-TDSdrains

    Iron Age IA-INTER-0311 Class B Interlaken Cast Iron 3" x 11" Grate - RAW

    Iron Age IA-INTER-0311 Class B Interlaken Cast Iron 3" x 11" Grate - RAW

    Regular price $78.65 USD
    Regular price Sale price $78.65 USD
    Unit price /  per 
  • ULMA drain channel with stainless steel edge and Iron Age Regular Joe Baked on Oil Finish grate

    Regular Joe Iron Age Grates on U100KX ULMA Heelproof - BoOF

    Sale

    Regular Joe Iron Age Grates on U100KX ULMA Heelproof - BoOF

    Regular price From $351.82 USD
    Regular price $385.74 USD Sale price From $351.82 USD
    Unit price /  per 
    Sale
  • TDS™ 3" Gray MAX Mini w/ Natural Bronze Slot Grate & Satin Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Natural Bronze Slot Grate & Satin Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Natural Bronze Slot Grate & Satin Bronze Edge

    Regular price From $1,025.11 USD
    Regular price Sale price From $1,025.11 USD
    Unit price /  per 
  • Z884-P4-PG ZURN Z884 with Galv Perf Class A

    ZURN Z884 Drainage Kit w/ P4-PS Stainless Steel Perforated Grate - Vandal Proof Locks

    ZURN Z884 Drainage Kit w/ P4-PS Stainless Steel Perforated Grate - Vandal Proof Locks

    Regular price From $609.42 USD
    Regular price Sale price From $609.42 USD
    Unit price /  per 
  • IA-Inter-CB12 Iron Age Interlaken 12" Catch Basin Grate in Raw Cast Iron

    Iron Age IA-INTER-CB12 Class B Interlaken Raw Cast Iron 12" x 12" Grate

    Iron Age IA-INTER-CB12 Class B Interlaken Raw Cast Iron 12" x 12" Grate

    Regular price $231.66 USD
    Regular price Sale price $231.66 USD
    Unit price /  per 
  • IA-OBLIO-0520-HP

    Iron Age IA-OBLIO-0520-HP Class B OBLIO Heelproof Cast Iron 122mm x 500mm Grate - RAW

    Iron Age IA-OBLIO-0520-HP Class B OBLIO Heelproof Cast Iron 122mm x 500mm 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
  • 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

    $89.29
  • LD100X-2 Locking Device for ULMA Grates

    LD100X-2 Locking Device for ULMA Grates

    $14.40
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