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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
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      • Pour in Place (Concrete)
      • All Channel Materials
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      • Load Class A
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      • All Load Classes
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    • Popular Manufacturers
      • TDS
      • Bronze Age
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      • Zurn
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      • Dura Slope
      • FP1200
      • Mini Channel
      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
    • Grate Material
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  • NDS Dura Slope Inline Catch Basin with DS-221 Grate

    NDS® Dura Slope In-Line Catch Basin with DS-221 Slotted Galvanized Grate

    NDS® Dura Slope In-Line Catch Basin with DS-221 Slotted Galvanized Grate

    Regular price From $627.46 USD
    Regular price Sale price From $627.46 USD
    Unit price /  per 
  • nds828

    NDS 828 Class C H-20 Slotted High Impact Nylon 5" x 20" Grate

    NDS 828 Class C H-20 Slotted High Impact Nylon 5" x 20" Grate

    Regular price $176.57 USD
    Regular price Sale price $176.57 USD
    Unit price /  per 
  • DG0641D POLYCAST ductile iron slotted grate Class D

    POLYCAST DG0641D Class D Slotted Ductile Iron Grate 6" x 24" (Nominal)

    POLYCAST DG0641D Class D Slotted Ductile Iron Grate 6" x 24" (Nominal)

    Regular price $49.31 USD
    Regular price Sale price $49.31 USD
    Unit price /  per 
  • ULMA 414 Class C Reinforced Perforated w/Tread Galvanized Steel 122mm x 1M Grate

    ULMA 414 Class C Reinforced Perforated w/Tread Galvanized Steel 122mm x 1M Grate

    Sale

    ULMA 414 Class C Reinforced Perforated w/Tread Galvanized Steel 122mm x 1M Grate

    Regular price $93.27 USD
    Regular price $119.92 USD Sale price $93.27 USD
    Unit price /  per 
    Sale
  • ULMA HYDRO PLUS with ULMA 424 Galvanized Reinforced Steel Slotted-Grate Class C

    ULMA HYDROPLUS with 424 / GN100KCC Reinforced Galvanized Slotted Grate Class C

    Sale

    ULMA HYDROPLUS with 424 / GN100KCC Reinforced Galvanized Slotted Grate Class C

    Regular price From $148.29 USD
    Regular price $188.04 USD Sale price From $148.29 USD
    Unit price /  per 
    Sale
  • POLY600-SS-641D-TDSdrains stainless steel edge slotted cast iron grate polymer concrete channel Polycast

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

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

    Regular price From $237.04 USD
    Regular price Sale price From $237.04 USD
    Unit price /  per 
  • NDS-550-Sand-Channel-Atrium-Outlet.1

    NDS 550 Mini Channel 3″ x 36″ with Bottom Outlet – SAND

    NDS 550 Mini Channel 3″ x 36″ with Bottom Outlet – SAND

    Regular price $73.43 USD
    Regular price Sale price $73.43 USD
    Unit price /  per 
  • NDS-Dura-XX-670 with Light Gray Plastic Perforated Grate

    NDS Dura Slope Kit with DS-670 Plastic Perforated Grate | Light Gray

    NDS Dura Slope Kit with DS-670 Plastic Perforated Grate | Light Gray

    Regular price From $419.00 USD
    Regular price Sale price From $419.00 USD
    Unit price /  per 
  • Natural Minnione with Grey Mini Channel

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

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

    Regular price From $612.82 USD
    Regular price Sale price From $612.82 USD
    Unit price /  per 
  • PCK6-DG0632 POLYCAST 600 with DG0632 Foam Perforated Stainless Steel Grate

    POLYCAST 600 Series Kit w/ DG0632 Foam Perforated Class A Stainless Steel Grate

    POLYCAST 600 Series Kit w/ DG0632 Foam Perforated Class A Stainless Steel Grate

    Regular price From $281.92 USD
    Regular price Sale price From $281.92 USD
    Unit price /  per 
  • SS600 stainless steel channel with DG0647 slotted grate

    SS600 Stainless Steel Drain Kit w/ DG0647 Slotted Stainless Steel Grate | Class B

    SS600 Stainless Steel Drain Kit w/ DG0647 Slotted Stainless Steel Grate | Class B

    Regular price From $1,412.75 USD
    Regular price Sale price From $1,412.75 USD
    Unit price /  per 
  • SS600 Stainless Steel Drain Kit w/ DG0632 Perforated 304 Stainless Steel Grate | Class A

    SS600 Stainless Steel Drain Kit w/ DG0632 Perforated 304 Stainless Steel Grate | Class A

    SS600 Stainless Steel Drain Kit w/ DG0632 Perforated 304 Stainless Steel Grate | Class A

    Regular price From $1,463.89 USD
    Regular price Sale price From $1,463.89 USD
    Unit price /  per 
  • SS600 channel with Stainless Steel Wire Wedge Grate

    SS600 Stainless Steel Drain Kit w/ DG0655 Wedge Wire Stainless Steel Grate | Class B

    SS600 Stainless Steel Drain Kit w/ DG0655 Wedge Wire Stainless Steel Grate | Class B

    Regular price From $1,740.81 USD
    Regular price Sale price From $1,740.81 USD
    Unit price /  per 
  • BA-PED-0312 Bronze Natural Mini Channel Pedreda Grate

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

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

    Regular price $136.00 USD
    Regular price Sale price $136.00 USD
    Unit price /  per 
  • DS 232

    NDS® DS-232 Class D ADA-Compliant Slotted Ductile Iron 6" x 24" Grate

    NDS® DS-232 Class D ADA-Compliant Slotted Ductile Iron 6" x 24" Grate

    Regular price $94.81 USD
    Regular price Sale price $94.81 USD
    Unit price /  per 
  • BA-DECO-0336 Stainless Steel Slot 3x36

    Bronze Age TDS-DECO-0336-L Square Deco 316L Stainless Steel 3″x36″ Grate Load Class B

    Bronze Age TDS-DECO-0336-L Square Deco 316L Stainless Steel 3″x36″ Grate Load Class B

    Regular price $249.00 USD
    Regular price Sale price $249.00 USD
    Unit price /  per 
  • ULMA U100KX Kit

    ULMA U100K Drain Channel with Galvanized Edging w/o Grate

    Sale

    ULMA U100K Drain Channel with Galvanized Edging w/o Grate

    Regular price From $54.13 USD
    Regular price $69.59 USD Sale price From $54.13 USD
    Unit price /  per 
    Sale
  • U100KX-BA-PED-0520

    ULMA U100KX Drain Channel kit w/Bronze Age™ PEDREDA Grate-RAW

    Sale

    ULMA U100KX Drain Channel kit w/Bronze Age™ PEDREDA Grate-RAW

    Regular price From $206.23 USD
    Regular price $240.15 USD Sale price From $206.23 USD
    Unit price /  per 
    Sale
  • MCKS-BA-cath-0336 Sand Mini Channel with Cathedral Stainless Steel Grates

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

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

    Regular price From $312.47 USD
    Regular price Sale price From $312.47 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 
  • MMG-BF-555 TDS MAX Mini in Gray with Oil Brushed Edge and NDS BoOF Wave Grate

    TDS™ 3" Gray MAX Mini w/ Wave BoOF Grate & Oil Rubbed Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Wave BoOF Grate & Oil Rubbed Bronze Edge

    Regular price From $744.86 USD
    Regular price Sale price From $744.86 USD
    Unit price /  per 
  • NDS-Dura-XX-664-TDSdrains sand slotted

    NDS DS-664 Class B ADA Compliant Slotted Polyolefin 6" x 24" Grate - SAND

    NDS DS-664 Class B ADA Compliant Slotted Polyolefin 6" x 24" Grate - SAND

    Regular price $66.70 USD
    Regular price Sale price $66.70 USD
    Unit price /  per 
  • NDS-Dura-XX-INTER-BF NDS Duraslope with Iron Age BoOF Interlaken Grate

    NDS Dura Slope Kit w/ IA-INTER-0624-BF Cast Iron Interlaken Grate | Baked on Oil Finish

    NDS Dura Slope Kit w/ IA-INTER-0624-BF Cast Iron Interlaken Grate | Baked on Oil Finish

    Regular price From $1,043.51 USD
    Regular price Sale price From $1,043.51 USD
    Unit price /  per 
  • ZURN P886-FG Galvanized Slotted Grates

    Zurn Z886 Drainage Kit w/ P6-FG Galvanized Slotted Class A Grate - Vandal Proof Locks

    Zurn Z886 Drainage Kit w/ P6-FG Galvanized Slotted Class A Grate - Vandal Proof Locks

    Regular price From $1,058.94 USD
    Regular price Sale price From $1,058.94 USD
    Unit price /  per 
  • SS600 stainless steel channel with DG0657 perforated grate

    SS600 Stainless Steel Drain Kit w/ DG0657 Perforated Stainless Steel Grate | Class B

    SS600 Stainless Steel Drain Kit w/ DG0657 Perforated Stainless Steel Grate | Class B

    Regular price From $901.28 USD
    Regular price Sale price From $901.28 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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