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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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      • Load Class A
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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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  • ULMA HYDROPLUS Mini with IA-CARBO-0520-BF Iron Age Carbochon Grate BoOF

    HYDROPLUS Mini w/ Iron Age 5"x20" Carbochon BoOF Cast Iron Grate | Class B

    Sale

    HYDROPLUS Mini w/ Iron Age 5"x20" Carbochon 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 with Locust Boof IA-LOC-0520-BF

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

    Sale

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

    Regular price From $4,153.47 USD
    Regular price $4,232.00 USD Sale price From $4,153.47 USD
    Unit price /  per 
    Sale
  • M100K-Locust Raw Cast Iron deco grate polymer concrete galv edge ULMA channel

    ULMA M100K W/ Iron Age Locust Grate

    Sale

    ULMA M100K W/ Iron Age Locust Grate

    Regular price From $524.99 USD
    Regular price $565.30 USD Sale price From $524.99 USD
    Unit price /  per 
    Sale
  • 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 
  • 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 
  • sand wave mini channel NDS

    NDS 555S Class B ADA Compliant Wave Polyolefin 3" x 36" Grate - SAND

    NDS 555S Class B ADA Compliant Wave Polyolefin 3" x 36" Grate - SAND

    Regular price $62.16 USD
    Regular price Sale price $62.16 USD
    Unit price /  per 
  • ULMA U100K with 486 Vinyl Ester 0.9 FRP Grate

    ULMA U100K Drainage Kit with TDS Vinyl Ester Bar Grate 0.9″ on center - Class B

    Sale

    ULMA U100K Drainage Kit with TDS Vinyl Ester Bar Grate 0.9″ on center - Class B

    Regular price From $450.41 USD
    Regular price $569.10 USD Sale price From $450.41 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 with Iron Age Janis BoOF Cast Iron Grate

    ULMA HYDROPLUS with Iron Age IA-JANIS-BF-0520 Janis BoOF Cast Iron Grate Class B

    Sale

    ULMA HYDROPLUS with Iron Age IA-JANIS-BF-0520 Janis BoOF Cast Iron Grate Class B

    Regular price From $559.11 USD
    Regular price $583.04 USD Sale price From $559.11 USD
    Unit price /  per 
    Sale
  • ULMA HYDRO PLUS with IA-RIV-0520-BF Iron Age River Rock Grate- BoOF Class B

    ULMA HYDROPLUS with Iron Age IA-RIV-0520-BF River Rock - BoOF

    Sale

    ULMA HYDROPLUS with Iron Age IA-RIV-0520-BF River Rock - BoOF

    Regular price From $559.11 USD
    Regular price $583.04 USD Sale price From $559.11 USD
    Unit price /  per 
    Sale
  • ULMA HYDROPLUS Mini with IA-MIN-0520-BF Iron Age Minnione Grate BoOF

    ULMA HYDROPLUS Mini w/ Iron Age Minnione BoOF Cast Iron Grate | Class B

    Sale

    ULMA HYDROPLUS Mini w/ Iron Age Minnione 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 Hydro Mini Plus with IA-GRK-0520-BF Iron Age Greek Key BoOF Grate Class B

    HYDROPLUS Mini w/ Iron Age 5"x 20" Greek Key BoOF Cast Iron Grate | Class B

    Sale

    HYDROPLUS Mini w/ Iron Age 5"x 20" Greek Key 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 U100KX Channel with Iron Age Heel proof Mission Bay grating in Baked on Oil finish

    ULMA U100KX Drain Channel w/ Iron Age Mission Bay Grate-BoOF

    Sale

    ULMA U100KX Drain Channel w/ Iron Age Mission Bay Grate-BoOF

    Regular price From $351.82 USD
    Regular price $385.74 USD Sale price From $351.82 USD
    Unit price /  per 
    Sale
  • Ulma M100KX Stainless Steel edge channel Iron Age River Rock Baked on Oil Finish Grate

    M100KX Kit w/Iron Age River Rock Grate | BoOF

    Sale

    M100KX Kit w/Iron Age River Rock 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 H80 with IA-IA-JOE-0520-BF Iron Age Regular Joe Grate BoOF Class B

    ULMA HYDROPLUS Mini w/ Iron Age Regular Joe BoOF Cast Iron Grate | Class B

    Sale

    ULMA HYDROPLUS Mini w/ Iron Age Regular Joe BoOF Cast Iron Grate | Class B

    Regular price From $513.81 USD
    Regular price $520.56 USD Sale price From $513.81 USD
    Unit price /  per 
    Sale
  • HYDRO MINI PLUS with Iron Age Mission Bay Heel Proof BoOF Grate IA-BAY00520-HP-BF

    ULMA HYDROPLUS Mini w/ Iron Age IA-BAY-0520-HP-BF Mission Bay HP BoOF Cast Iron Grate | Class B

    Sale

    ULMA HYDROPLUS Mini w/ Iron Age IA-BAY-0520-HP-BF Mission Bay HP 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
  • U100KM-Locust Cast Iron Deco Ironage raw grate polymer concrete galv edge ULMA channel

    ULMA U100K Drainage Kit with Iron Age Locust Grate | Natural

    Sale

    ULMA U100K Drainage Kit with Iron Age Locust Grate | Natural

    Regular price From $597.86 USD
    Regular price $658.98 USD Sale price From $597.86 USD
    Unit price /  per 
    Sale
  • ULMA drain channel with stainless steel edge and Iron Age Minnione Baked on Oil Finish grate

    ULMA U100KX Drain Channel w/ Iron Age Minnione Grate - BoOF

    Sale

    ULMA U100KX Drain Channel w/ Iron Age Minnione Grate - BoOF

    Regular price From $351.82 USD
    Regular price $385.74 USD Sale price From $351.82 USD
    Unit price /  per 
    Sale
  • HYDROPLUS with Iron Age Minnione BoOF Cast Iron

    ULMA HYDROPLUS with Iron Age IA-MIN-0520 Minnione BoOF Cast Iron Grate Class B

    Sale

    ULMA HYDROPLUS with Iron Age IA-MIN-0520 Minnione BoOF Cast Iron Grate Class B

    Regular price From $559.11 USD
    Regular price $583.04 USD Sale price From $559.11 USD
    Unit price /  per 
    Sale
  • ZURN Z886 6.25" Wide Sloped Drain Channel

    ZURN Z886 6.25" Wide Sloped Drain Channel

    ZURN Z886 6.25" Wide Sloped Drain Channel

    Regular price From $686.00 USD
    Regular price Sale price From $686.00 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
  • U100KM-Locust-boof cast iron deco ironage grate polymer concrete ULMA channel galv edge

    ULMA U100KX Drain Channel w/ Iron Age Locust Grate-BoOF

    Sale

    ULMA U100KX Drain Channel w/ Iron Age Locust Grate-BoOF

    Regular price From $351.82 USD
    Regular price $385.74 USD Sale price From $351.82 USD
    Unit price /  per 
    Sale
  • ULMA drain channel with stainless steel edge and Iron Age Oblio Baked on Oil Finish grate

    ULMA U100KX Drain Channel w/ Iron Age Oblio Grate-BoOF

    Sale

    ULMA U100KX Drain Channel w/ Iron Age Oblio Grate-BoOF

    Regular price From $351.82 USD
    Regular price $385.74 USD Sale price From $351.82 USD
    Unit price /  per 
    Sale
  • Ulma U100KX Channel with Iron Age Regular Joe grate with Baked on Oil Finish

    ULMA U100KX Drain Channel w/ Iron Age Regular Joe Grate - BoOF

    Sale

    ULMA U100KX Drain Channel w/ Iron Age Regular Joe Grate - BoOF

    Regular price From $351.82 USD
    Regular price $385.74 USD Sale price From $351.82 USD
    Unit price /  per 
    Sale
  • ULMA Hydro Mini Plus H80 with IA-LOC-0520-BF Iron Age Locust BoOF Grate Class B

    ULMA HYDROPLUS Mini w/ Iron Age Locust BoOF Grate | Class B

    Sale

    ULMA HYDROPLUS Mini w/ Iron Age Locust BoOF Grate | Class B

    Regular price From $519.86 USD
    Regular price $528.34 USD Sale price From $519.86 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
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shop@trenchdrain.com

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