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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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      • 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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      • 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-AA-641D cast iron frame slotted ductile iron grate polymer concrete shallow channel Polycast

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

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

    Regular price From $470.46 USD
    Regular price Sale price From $470.46 USD
    Unit price /  per 
  • ULMA M100KX polymer concrete stainless steel edged channel with Iron Age Baked on Oil Finish Cast Iron Minnione grate

    ULMA M100KX Kit with Iron Age Minnione Grate – BoOF

    Sale

    ULMA M100KX Kit with Iron Age Minnione Grate – BoOF

    Regular price From $718.03 USD
    Regular price $779.98 USD Sale price From $718.03 USD
    Unit price /  per 
    Sale
  • ULMA U100KX-Rain-BoOF

    ULMA U100KX w/ Iron Age Rain Grate-BoOF

    Sale

    ULMA U100KX w/ Iron Age Rain Grate-BoOF

    Regular price From $351.82 USD
    Regular price $385.74 USD Sale price From $351.82 USD
    Unit price /  per 
    Sale
  • Hydro Plus with 402 Galvanized Mesh Class B

    ULMA HYDROPLUS with 402 / GEX100KCB Galvanized Mesh Grate Class B

    Sale

    ULMA HYDROPLUS with 402 / GEX100KCB Galvanized Mesh Grate Class B

    Regular price From $163.53 USD
    Regular price $207.63 USD Sale price From $163.53 USD
    Unit price /  per 
    Sale
  • FP1200-FG1241-TDS-1 FP Series ductile iron grate heavy duty

    TDS DG1241 Class C Slotted Ductile Iron 14" x 24" x 1.5"Grate

    TDS DG1241 Class C Slotted Ductile Iron 14" x 24" x 1.5"Grate

    Regular price $240.99 USD
    Regular price Sale price $240.99 USD
    Unit price /  per 
  • ULMA U100K Drainage Kit w/ TDS Bronze Age Fern Ductile Iron Grate-RAW

    ULMA U100K Drainage Kit w/ TDS Bronze Age Fern Ductile Iron Grate-RAW

    Sale

    ULMA U100K Drainage Kit w/ TDS Bronze Age Fern Ductile Iron Grate-RAW

    Regular price From $155.28 USD
    Regular price $174.64 USD Sale price From $155.28 USD
    Unit price /  per 
    Sale
  • POLYCAST®500 Series Kit w/ DG0655R Wedge Wire Grate & Edging | Load Class C

    POLYCAST®500 Series Kit w/ DG0655R Wedge Wire Grate & Edging | Load Class C

    POLYCAST®500 Series Kit w/ DG0655R Wedge Wire Grate & Edging | Load Class C

    Regular price From $725.26 USD
    Regular price Sale price From $725.26 USD
    Unit price /  per 
  • TP0650S Catch Basin with DG0633 SS Square Deco grate

    TV0650S (Shallow) Catch Basin Kit w/ DG0633H for POLYCAST®

    TV0650S (Shallow) Catch Basin Kit w/ DG0633H for POLYCAST®

    Regular price $521.85 USD
    Regular price Sale price $521.85 USD
    Unit price /  per 
  • ULMA HYDRO PLUS with ULMA 460 Ductile Iron Grate-Class C

    ULMA HYDROPLUS with 460 / FNX100KCCM Ductile Iron Slotted Grate Class C

    Sale

    ULMA HYDROPLUS with 460 / FNX100KCCM Ductile Iron Slotted Grate Class C

    Regular price From $150.32 USD
    Regular price $190.64 USD Sale price From $150.32 USD
    Unit price /  per 
    Sale
  • U100K-Janis cast iron raw ironage grate polymer concrete ulma channel

    ULMA U100K Drainage Kit with Iron Age Janis Grate | Natural

    Sale

    ULMA U100K Drainage Kit with Iron Age Janis Grate | Natural

    Regular price From $597.86 USD
    Regular price $658.98 USD Sale price From $597.86 USD
    Unit price /  per 
    Sale
  • POLY600-SS-644SP Polycast 600 with Stainless steel edge and a fiberglass DG0644SP grate

    POLYCAST 600 Series Kit w/FG0644SP Fiberglass Grate & Stainless Edge- Load Class C

    POLYCAST 600 Series Kit w/FG0644SP Fiberglass Grate & Stainless Edge- Load Class C

    Regular price From $387.78 USD
    Regular price Sale price From $387.78 USD
    Unit price /  per 
  • Polycast-500-channel-DK low profile polymer concrete channel shallow

    POLYCAST 500 Series Channel

    POLYCAST 500 Series Channel

    Regular price $83.43 USD
    Regular price Sale price $83.43 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

    Sale

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

    Regular price From $195.77 USD
    Regular price $251.70 USD Sale price From $195.77 USD
    Unit price /  per 
    Sale
  • ULMA HYDROPLUS Mini Channel - Bottom View

    ULMA HYDROPLUS Mini with Stainless Steel Slotted Grate (454 / IN100KCC) Class C

    Sale

    ULMA HYDROPLUS Mini with Stainless Steel Slotted Grate (454 / IN100KCC) Class C

    Regular price From $337.52 USD
    Regular price $427.09 USD Sale price From $337.52 USD
    Unit price /  per 
    Sale
  • POLYCAST 600 with DG0646

    POLYCAST® 600 Series Kit w/ DG0646 Perforated Galvanized Steel Grate

    POLYCAST® 600 Series Kit w/ DG0646 Perforated Galvanized Steel Grate

    Regular price From $208.57 USD
    Regular price Sale price From $208.57 USD
    Unit price /  per 
  • ULMA drain channel with stainless steel edge and Iron Age Carbochon Baked on Oil Finish grate

    ULMA U100KX w/ Iron Age Carbochon Grate-BoOF

    Sale

    ULMA U100KX w/ Iron Age Carbochon Grate-BoOF

    Regular price From $351.82 USD
    Regular price $385.74 USD Sale price From $351.82 USD
    Unit price /  per 
    Sale
  • ULMA M100K_Galvanized Heel Proof 406

    M100K w/ Galv. Steel Heel-proof Mesh Grate (406)-ULMA

    Sale

    M100K w/ Galv. Steel Heel-proof Mesh Grate (406)-ULMA

    Regular price From $286.50 USD
    Regular price $358.36 USD Sale price From $286.50 USD
    Unit price /  per 
    Sale
  • 5x20 Iron Age Cast-Iron Grate Locust Grate Raw Finish

    Iron Age IA-LOC-0520 Class B Locust Cast Iron 122mm x 500mm Grate - RAW

    Iron Age IA-LOC-0520 Class B Locust Cast Iron 122mm x 500mm Grate - RAW

    Regular price $174.46 USD
    Regular price Sale price $174.46 USD
    Unit price /  per 
  • 5inch-cast-iron-grate-carbochon-raw2-1024x768

    Iron Age IA-CARB-0520 Class B Carbochon Cast Iron 122mm x 500mm Grates - RAW

    Iron Age IA-CARB-0520 Class B Carbochon Cast Iron 122mm x 500mm Grates - RAW

    Regular price $174.46 USD
    Regular price Sale price $174.46 USD
    Unit price /  per 
  • New Image Coming Soon

    Zurn ZF806 Flo-Thru® Drain with P6-HPP Black HDPE Grate - HD Z Frame

    Zurn ZF806 Flo-Thru® Drain with P6-HPP Black HDPE Grate - HD Z Frame

    Regular price From $2,383.80 USD
    Regular price Sale price From $2,383.80 USD
    Unit price /  per 
  • U100KM-GN100KCA Galv. Steel Slotted class A grate polymer concrete galv edge ULMA channel

    ULMA U100K Drainage Kit with ULMA 420 Slotted Grate | Galvanized Load Class A

    Sale

    ULMA U100K Drainage Kit with ULMA 420 Slotted Grate | Galvanized Load Class A

    Regular price From $85.59 USD
    Regular price $110.04 USD Sale price From $85.59 USD
    Unit price /  per 
    Sale
  • TP0650S-CF-657RH Inline catch basin with cast iron frame and perforated stainless steel grates

    TV0750S (Shallow) Catch Basin Kit w/ DG0657R for POLYCAST®-Ductile Iron Frame

    TV0750S (Shallow) Catch Basin Kit w/ DG0657R for POLYCAST®-Ductile Iron Frame

    Regular price $806.26 USD
    Regular price Sale price $806.26 USD
    Unit price /  per 
  • Zurn-P6-HPDE Z886 Z806 Class E slotted heel-proof Ductile Iron Grate

    Zurn P6-HPDE-OS Class E Slotted Heel-Proof Ductile Iron 6" x 20" Grate

    Zurn P6-HPDE-OS Class E Slotted Heel-Proof Ductile Iron 6" x 20" Grate

    Regular price $220.80 USD
    Regular price Sale price $220.80 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 $519.81 USD
    Regular price Sale price From $519.81 USD
    Unit price /  per 
  • PCK6-DG0622-GE Galvanized Foam Perforated with Edging

    POLYCAST® 600 Series Kit w/DG0622 Perforated Galvanized Grate w/ Edging | Load Class A

    POLYCAST® 600 Series Kit w/DG0622 Perforated Galvanized Grate w/ Edging | Load Class A

    Regular price From $269.08 USD
    Regular price Sale price From $269.08 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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