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    • Popular Manufacturers
      • TDS
      • NDS
      • POLYCAST®
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      • Zurn
      • All Manufacturers
    • Popular Drainage Systems
      • Dura Slope
      • Mini Channel
      • Polycast 600/700
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      • SS600
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      • All Drainage Systems
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      • All Load Classes
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      • Dura Slope
      • FP1200
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      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
    • Grate Material
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  • MCKS-IA-RAIN-HP-BF NDS Mini Channel Kit in Sand with Heel Proof Iron Age Rain Grate in BoOF

    NDS 3″ Sand Mini Channel Kit with Iron Age Rain Grate – Baked on Oil Finish

    NDS 3″ Sand Mini Channel Kit with Iron Age Rain Grate – Baked on Oil Finish

    Regular price From $833.17 USD
    Regular price Sale price From $833.17 USD
    Unit price /  per 
  • Ulma U100K Channel with Galvanized Steel edge and an Iron Age Design Minnione Grate with Baked on oli finishron grate ironage ulma polymer concrete channel galv edge

    ULMA U100K Drainage Kit with Iron Age Minnione Grate | Baked on Oil Finish

    Sale

    ULMA U100K Drainage Kit with Iron Age Minnione Grate | Baked on Oil Finish

    Regular price From $722.26 USD
    Regular price $785.42 USD Sale price From $722.26 USD
    Unit price /  per 
    Sale
  • U1KX-IA-QUE-HP

    ULMA U100KX Drain Channel w/ Iron Age Que Grate-RAW

    Sale

    ULMA U100KX Drain Channel w/ Iron Age Que Grate-RAW

    Regular price From $289.62 USD
    Regular price $322.52 USD Sale price From $289.62 USD
    Unit price /  per 
    Sale
  • NDS Slim Channel Kit with Gray Chain Grate

    NDS Slim Channel Kit with NDS 9263 Chain Grate - GRAY

    NDS Slim Channel Kit with NDS 9263 Chain Grate - GRAY

    Regular price From $84.60 USD
    Regular price Sale price From $84.60 USD
    Unit price /  per 
  • Hydro Plus with Iron Age Locust Cast Iron Grate IA-LOC-0520 Class B

    ULMA HYDROPLUS w/ IA-LOC-0520 / IA-LOC-0520 Iron Age Locust Cast Iron Raw Grate Class B

    Sale

    ULMA HYDROPLUS w/ IA-LOC-0520 / IA-LOC-0520 Iron Age Locust Cast Iron Raw Grate Class B

    Regular price From $441.85 USD
    Regular price $465.78 USD Sale price From $441.85 USD
    Unit price /  per 
    Sale
  • ULMA HYDROPLUS with Iron Age Janis Raw Cast Iron Grate

    ULMA HYDROPLUS with Iron Age JA5-20I21 / IA-JANIS-0520 Janis Raw Cast Iron Grate Class B

    Sale

    ULMA HYDROPLUS with Iron Age JA5-20I21 / IA-JANIS-0520 Janis Raw Cast Iron Grate Class B

    Regular price From $441.85 USD
    Regular price $465.78 USD Sale price From $441.85 USD
    Unit price /  per 
    Sale
  • POLYCAST 500 Kit w/ DG0622 Foam Galvanized Perforated Grate & Edging | Class A

    POLYCAST 500 Kit w/ DG0622 Foam Galvanized Perforated Grate & Edging | Class A

    POLYCAST 500 Kit w/ DG0622 Foam Galvanized Perforated Grate & Edging | Class A

    Regular price From $389.27 USD
    Regular price Sale price From $389.27 USD
    Unit price /  per 
  • ULMA polymer concrete linear channel with stainless steel edge with Iron Age Boof Cast Iron Locust grate

    ULMA M100KX w/ Iron Age Locust 5x20 Grate-BoOF

    Sale

    ULMA M100KX w/ Iron Age Locust 5x20 Grate-BoOF

    Regular price From $718.03 USD
    Regular price $779.98 USD Sale price From $718.03 USD
    Unit price /  per 
    Sale
  • ULMA HYDRO MINI PLUS with IA-BAY-0520-HP Raw

    ULMA HYDROPLUS Mini IA-BAY-0520-HP Iron Age Mission Bay HP Raw Cast Iron Grate | Class B

    Sale

    ULMA HYDROPLUS Mini IA-BAY-0520-HP Iron Age Mission Bay HP Raw Cast Iron Grate | Class B

    Regular price From $402.60 USD
    Regular price $411.08 USD Sale price From $402.60 USD
    Unit price /  per 
    Sale
  • ULMA U100KX with Stainless Steel Edge and Stainless Steel Mesh Grate

    ULMA U100KX Drainage Kit with Stainless Steel Mesh 432 Grate

    Sale

    ULMA U100KX Drainage Kit with Stainless Steel Mesh 432 Grate

    Regular price From $361.74 USD
    Regular price $465.09 USD Sale price From $361.74 USD
    Unit price /  per 
    Sale
  • HYDROM-ANISE-0520-HP-BF ULMA HYDROPLUS Anise 0520-BOOF

    ULMA HYDROPLUS Mini w/ Iron Age Anise Heel Proof BoOF Cast Iron Grate | Class B

    Sale

    ULMA HYDROPLUS Mini w/ Iron Age Anise Heel Proof BoOF Cast Iron Grate | Class B

    Regular price From $474.10 USD
    Regular price $482.58 USD Sale price From $474.10 USD
    Unit price /  per 
    Sale
  • ULMA HYDRO PLUS Mini with 440 SS Perforated Grate Class A_1 Meter

    ULMA HYDROPLUS Mini with Stainless Steel Perforated Tread Grate (440 / IP100KCA) Class A

    Sale

    ULMA HYDROPLUS Mini with Stainless Steel Perforated Tread Grate (440 / IP100KCA) Class A

    Regular price From $155.29 USD
    Regular price $192.80 USD Sale price From $155.29 USD
    Unit price /  per 
    Sale
  • ULMA HYDROPLUS Mini with IA-JANIS-0520-BF Iron Age Janis Grate BoOF

    HYDROPLUS Mini w/ Iron Age 5" Janis BoOF Cast Iron Grate | Class B

    Sale

    HYDROPLUS Mini w/ Iron Age 5" Janis BoOF Cast Iron Grate | Class B

    Regular price From $519.86 USD
    Regular price $528.34 USD Sale price From $519.86 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
  • ULMA drain channel with stainless steel edge and Iron Age Minnione grate

    ULMA U100K Drainage Kit with Iron Age Minnione Grate | Natural

    Sale

    ULMA U100K Drainage Kit with Iron Age Minnione Grate | Natural

    Regular price From $597.86 USD
    Regular price $658.98 USD Sale price From $597.86 USD
    Unit price /  per 
    Sale
  • ULMA Hydro Mini Plus H80 with ULMA 420 Galvanized Steel Slotted Grate Class A

    ULMA HYDROPLUS Mini with Galvanized Slotted Grate (420 / GN100KCA) Class A

    Sale

    ULMA HYDROPLUS Mini with Galvanized Slotted Grate (420 / GN100KCA) Class A

    Regular price From $73.18 USD
    Regular price $90.97 USD Sale price From $73.18 USD
    Unit price /  per 
    Sale
  • U100K-GreekKey-boof cast iron deco ironage grate polymer concrete channel ULMA galv edge

    ULMA U100K Drainage Kit with Iron Age Greek Key Grate | Baked on Oil Finish

    Sale

    ULMA U100K Drainage Kit with Iron Age Greek Key Grate | Baked on Oil Finish

    Regular price From $722.26 USD
    Regular price $785.42 USD Sale price From $722.26 USD
    Unit price /  per 
    Sale
  • ULMA HYDROPLUS Mini w/ 465 Ductile Iron Grate Class B

    ULMA HYDROPLUS Mini w/ 465 Ductile Iron Grate Class B

    Sale

    ULMA HYDROPLUS Mini w/ 465 Ductile Iron Grate Class B

    Regular price From $102.68 USD
    Regular price $125.16 USD Sale price From $102.68 USD
    Unit price /  per 
    Sale
  • ULMA Hydro Mini Plus H80 with IA-ARGO-0520-HP Iron Age Argo Heel proof Grate Class B

    ULMA HYDROPLUS Mini w/ Iron Age IA-ARGO-0520-HP Argo Heel Proof Raw Cast Iron Grate Class B

    Sale

    ULMA HYDROPLUS Mini w/ Iron Age IA-ARGO-0520-HP Argo Heel Proof Raw Cast Iron Grate Class B

    Regular price From $402.60 USD
    Regular price $411.08 USD Sale price From $402.60 USD
    Unit price /  per 
    Sale
  • ULMA M100K Drain Channel kit w/Bronze Age™ PEDREDA Grate-RAW

    ULMA M100K Drain Channel kit w/Bronze Age™ PEDREDA Grate-RAW

    Sale

    ULMA M100K Drain Channel kit w/Bronze Age™ PEDREDA Grate-RAW

    Regular price From $351.07 USD
    Regular price $391.38 USD Sale price From $351.07 USD
    Unit price /  per 
    Sale
  • ULMA drain channel with stainless steel edge and polypropylene grate

    ULMA U100K Kit with 494 / PNH100KCAM Polypropylene ADA Heel Proof Grate – BLACK

    Sale

    ULMA U100K Kit with 494 / PNH100KCAM Polypropylene ADA Heel Proof Grate – BLACK

    Regular price From $298.23 USD
    Regular price $373.44 USD Sale price From $298.23 USD
    Unit price /  per 
    Sale
  • NDS1888 universal locking outlet

    NDS 1888 Universal Locking Outlet - 8"

    NDS 1888 Universal Locking Outlet - 8"

    Regular price $41.97 USD
    Regular price Sale price $41.97 USD
    Unit price /  per 
  • M100K-Janis Cast Iron Ironage Deco Grate polymer concrete channel ULMA

    ULMA M100K W/Iron Age Janis Grate

    Sale

    ULMA M100K W/Iron Age Janis Grate

    Regular price From $524.99 USD
    Regular price $565.30 USD Sale price From $524.99 USD
    Unit price /  per 
    Sale
  • ULMA HYDROPLUS Mini with IA-JANIS-0520 Iron Age Janis Grate Raw

    ULMA HYDROPLUS Mini w/ Iron Age 5" Janis Raw Cast Iron Grate | Class B

    Sale

    ULMA HYDROPLUS Mini w/ Iron Age 5" Janis Raw Cast Iron Grate | Class B

    Regular price From $402.60 USD
    Regular price $411.08 USD Sale price From $402.60 USD
    Unit price /  per 
    Sale
  • ULMA HYDRO PLUS with IA-ARGO-0520-HP Iron Age Argo Heelproof Grate-Class B

    ULMA HYDROPLUS w/ Iron Age IA-ARGO-0520-HP Argo Heel Proof Raw Cast Iron Grate Class B

    Sale

    ULMA HYDROPLUS w/ Iron Age IA-ARGO-0520-HP Argo Heel Proof Raw Cast Iron Grate Class B

    Regular price From $441.85 USD
    Regular price $465.78 USD Sale price From $441.85 USD
    Unit price /  per 
    Sale
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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
Shop All

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(610) 882-3630

sales@trenchdrain.com

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