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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
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      • Fiberglass
      • Plastic
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      • All Channel Materials
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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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      • Bronze
      • Ductile/Cast Iron
      • Fiberglass
      • Galvanized Steel
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      • Stainless Steel
      • All Grate Materials
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  • MCK-BA-PED-D NDS Mini Channel in Grey with TDS Bronze Age Grates in ductile Iron

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

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

    Regular price From $177.29 USD
    Regular price Sale price From $177.29 USD
    Unit price /  per 
  • POLY700-AA-640R

    POLYCAST®700 Kit w/ DG0640R Reinforced Galvanized Slotted Grate - Ductile Iron Frame

    POLYCAST®700 Kit w/ DG0640R Reinforced Galvanized Slotted Grate - Ductile Iron Frame

    Regular price From $747.19 USD
    Regular price Sale price From $747.19 USD
    Unit price /  per 
  • TP0650S-DG0675HD-CF Catch Basin w/ Transverse Slotted Ductile Iron Grate with Cast Iron Frame

    TV0750S (Shallow) Catch Basin Kit w/ DG0675HD for POLYCAST®-Ductile Iron Frame

    TV0750S (Shallow) Catch Basin Kit w/ DG0675HD for POLYCAST®-Ductile Iron Frame

    Regular price $520.20 USD
    Regular price Sale price $520.20 USD
    Unit price /  per 
  • MV+200K-660 ULMA MULTIV with 660 grate and galvanized edging

    ULMA MV+200K w/ 660 Ductile Iron 9X20 Slotted Grate Class D

    ULMA MV+200K w/ 660 Ductile Iron 9X20 Slotted Grate Class D

    Regular price From $247.39 USD
    Regular price Sale price From $247.39 USD
    Unit price /  per 
  • Iron Age Regular Joe 8x20 Raw Cast Iron Grate

    Iron Age IA-JOE-0820/RJN8-20I04 Class B Regular Joe Cast Iron Grate - Raw 8"x20" (Nominal)

    Iron Age IA-JOE-0820/RJN8-20I04 Class B Regular Joe Cast Iron Grate - Raw 8"x20" (Nominal)

    Regular price $217.36 USD
    Regular price Sale price $217.36 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 $167.31 USD
    Regular price Sale price $167.31 USD
    Unit price /  per 
  • NDS-Botanical-cast-iron-grate-TDSdrains

    NDS 252CI Class B ADA Compliant Botanical Cast Iron 4" x 24" Grate - RAW

    NDS 252CI Class B ADA Compliant Botanical Cast Iron 4" x 24" Grate - RAW

    Regular price $174.12 USD
    Regular price Sale price $174.12 USD
    Unit price /  per 
  • D&L J-4221-01

    J-4221-01 Heavy Duty Cast Iron 10" x 24" x 1.5" Grate | D&L Foundry

    J-4221-01 Heavy Duty Cast Iron 10" x 24" x 1.5" Grate | D&L Foundry

    Regular price $145.50 USD
    Regular price Sale price $145.50 USD
    Unit price /  per 
  • POLY700-PE-641D-TDSdrains HPDE frame ductile iron slotted grate polymer concrete channel Polycast

    POLYCAST 700 Series Kit with DG0641D Slotted Ductile Iron Grate and HDPE Frame

    POLYCAST 700 Series Kit with DG0641D Slotted Ductile Iron Grate and HDPE Frame

    Regular price From $481.63 USD
    Regular price Sale price From $481.63 USD
    Unit price /  per 
  • POLY600-xx-675D-TDsdrains cast iron transverse ada grate polymer concrete channel Polycast

    POLYCAST 600 Series Kit with DG0675HD ADA Transverse Slotted Ductile Iron Grate

    POLYCAST 600 Series Kit with DG0675HD ADA Transverse Slotted Ductile Iron Grate

    Regular price From $238.63 USD
    Regular price Sale price From $238.63 USD
    Unit price /  per 
  • 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 $167.31 USD
    Regular price Sale price $167.31 USD
    Unit price /  per 
  • MV+200KX-678

    ULMA MV+200KX w/ 678 HP Ductile Iron 9X20 Slotted Grate Class E

    ULMA MV+200KX w/ 678 HP Ductile Iron 9X20 Slotted Grate Class E

    Regular price From $353.46 USD
    Regular price Sale price From $353.46 USD
    Unit price /  per 
  • POLY700-AA-675D-TDSdrains cast iron frame transverse cast iron grate polymer concrete channel Polycast

    POLYCAST 700 Series Kit w/ DG0675HD ADA Transverse Slotted Ductile Iron Grate & Frame

    POLYCAST 700 Series Kit w/ DG0675HD ADA Transverse Slotted Ductile Iron Grate & Frame

    Regular price From $302.29 USD
    Regular price Sale price From $302.29 USD
    Unit price /  per 
  • MV+200DI-678

    ULMA MV+200D w/ 678 HP Ductile Iron 9X20 Slotted Grate Class E

    ULMA MV+200D w/ 678 HP Ductile Iron 9X20 Slotted Grate Class E

    Regular price From $275.16 USD
    Regular price Sale price From $275.16 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST 500 Series Kit with DG0641D-G Slotted Ductile Iron-Galvanized Grate and Ductile Frame

    POLYCAST 500 Series Kit with DG0641D-G Slotted Ductile Iron-Galvanized Grate and Ductile Frame

    Regular price From $516.61 USD
    Regular price Sale price From $516.61 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST 600 Series Kit with DG0641D-G Slotted Ductile Iron-Galvanized Grate with Galvanized Edging

    POLYCAST 600 Series Kit with DG0641D-G Slotted Ductile Iron-Galvanized Grate with Galvanized Edging

    Regular price From $291.18 USD
    Regular price Sale price From $291.18 USD
    Unit price /  per 
  • TP0650S-CF-657RH Inline catch basin with cast iron frame and perforated stainless steel grates

    TP0750S (Shallow) Catch Basin Kit w/ DG0657R for POLYCAST®-Ductile Iron Frame

    TP0750S (Shallow) Catch Basin Kit w/ DG0657R for POLYCAST®-Ductile Iron Frame

    Regular price $559.21 USD
    Regular price Sale price $559.21 USD
    Unit price /  per 
  • SS0642B_TDS

    TDS SS0642B Hold-Down Device for SS600 Ductile Iron & Stainless Steel Bar Grates

    TDS SS0642B Hold-Down Device for SS600 Ductile Iron & Stainless Steel Bar Grates

    Regular price $18.15 USD
    Regular price Sale price $18.15 USD
    Unit price /  per 
  • TP0650S-CF-669H Inline shallow Catch basin with cast iron frame and stainless steel bar grate

    TV0750S (Shallow) Catch Basin Kit w/ DG0669 for POLYCAST®-Ductile Iron Frame

    TV0750S (Shallow) Catch Basin Kit w/ DG0669 for POLYCAST®-Ductile Iron Frame

    Regular price $949.44 USD
    Regular price Sale price $949.44 USD
    Unit price /  per 
  • MV+200KX-661

    ULMA MV+200KX w/ 661 Ductile Iron 9X20 Slotted Grate Class E

    ULMA MV+200KX w/ 661 Ductile Iron 9X20 Slotted Grate Class E

    Regular price From $339.11 USD
    Regular price Sale price From $339.11 USD
    Unit price /  per 
  • DP0650S-POLYCAST inline catch basin

    TV0750S (Shallow) Catch Basin Kit w/ DG0692 for POLYCAST®-Ductile Iron Frame

    TV0750S (Shallow) Catch Basin Kit w/ DG0692 for POLYCAST®-Ductile Iron Frame

    Regular price $592.06 USD
    Regular price Sale price $592.06 USD
    Unit price /  per 
  • NDS500S-BA-BARS-D Ductile Iron Black

    NDS® 3" Sand Mini Channel Kit with TDS Bronze Age™ Bars Grate - Ductile Iron

    NDS® 3" Sand Mini Channel Kit with TDS Bronze Age™ Bars Grate - Ductile Iron

    Regular price From $183.32 USD
    Regular price Sale price From $183.32 USD
    Unit price /  per 
  • TP0650S-AA-655R

    TP0750S (Shallow) Catch Basin Kit w/ DG0655R for POLYCAST®-Ductile Iron Frame

    TP0750S (Shallow) Catch Basin Kit w/ DG0655R for POLYCAST®-Ductile Iron Frame

    Regular price $642.44 USD
    Regular price Sale price $642.44 USD
    Unit price /  per 
  • MV+200DI-661

    ULMA MV+200D w/ 661 Ductile Iron 9X20 Slotted Grate Class E

    ULMA MV+200D w/ 661 Ductile Iron 9X20 Slotted Grate Class E

    Regular price From $260.81 USD
    Regular price Sale price From $260.81 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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