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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
    • Channel Materials
      • Fiberglass
      • Plastic
      • Polymer Concrete
      • Stainless Steel
      • Pour in Place (Concrete)
      • All Channel Materials
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      • Load Class A
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      • Load Class E
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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 w/ CATHEDRAL Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ CATHEDRAL Ductile Iron Grate Class C

    Sale

    ULMA HYDROPLUS Mini w/ CATHEDRAL Ductile Iron Grate Class C

    Regular price From $228.68 USD
    Regular price $237.16 USD Sale price From $228.68 USD
    Unit price /  per 
    Sale
  • ULMA HYDROPLUS w/ CATHEDRAL Ductile Iron Grate - Class C

    ULMA HYDROPLUS w/ CATHEDRAL Ductile Iron Grate - Class C

    Sale

    ULMA HYDROPLUS w/ CATHEDRAL Ductile Iron Grate - Class C

    Regular price From $267.93 USD
    Regular price $291.86 USD Sale price From $267.93 USD
    Unit price /  per 
    Sale
  • Bullseye BoOF 6 inch diameter Iron Age deco drain grate

    Iron Age IA-BULL-6D-HP-BF Class A ADA Heel-Proof Bullseye Cast Iron 6" Dia Grate – BoOF

    Iron Age IA-BULL-6D-HP-BF Class A ADA Heel-Proof Bullseye Cast Iron 6" Dia Grate – BoOF

    Regular price $150.15 USD
    Regular price Sale price $150.15 USD
    Unit price /  per 
  • POLY500-PE-692-TDSdrains shallow POLYCAST polymer concrete channel cast iron Patriot grate

    POLYCAST 500 Series Kit with DG0692 Patriot Ductile Iron Grate

    POLYCAST 500 Series Kit with DG0692 Patriot Ductile Iron Grate

    Regular price From $423.78 USD
    Regular price Sale price From $423.78 USD
    Unit price /  per 
  • ULMA Hydro Mini Plus H80 with IA-IA-JOE-0520-HP-BF Iron Age Regular Joe Heel Proof BoOF Grate Class B

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

    Sale

    ULMA HYDROPLUS Mini w/ Iron Age Regular Joe BoOF Heel Proof 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
  • TP0650S Catch Basin with DG0630 SS Cathedral

    TP0650S (Shallow) Catch Basin Kit w/ DG0630H for POLYCAST®

    TP0650S (Shallow) Catch Basin Kit w/ DG0630H for POLYCAST®

    Regular price $373.68 USD
    Regular price Sale price $373.68 USD
    Unit price /  per 
  • POLYCAST 600 Series Kit w/ DG0675G Gray Transverse Plastic Grate - Load Class A

    POLYCAST 600 Series Kit w/ DG0675G Gray Transverse Plastic Grate - Load Class A

    POLYCAST 600 Series Kit w/ DG0675G Gray Transverse Plastic Grate - Load Class A

    Regular price From $217.81 USD
    Regular price Sale price From $217.81 USD
    Unit price /  per 
  • FGK-HLC-14 Fiberglass Mesh Grate

    FG-HLC-1448 Mesh Fiberglass 14"X48" Grate Load Class C

    FG-HLC-1448 Mesh Fiberglass 14"X48" Grate Load Class C

    Regular price $664.65 USD
    Regular price Sale price $664.65 USD
    Unit price /  per 
  • DP0650-SS-644

    POLYCAST® DP0650 Inline Catch Basin w/FG0644 Slotted Fiberglass Grate & SS Edge

    POLYCAST® DP0650 Inline Catch Basin w/FG0644 Slotted Fiberglass Grate & SS Edge

    Regular price $568.13 USD
    Regular price Sale price $568.13 USD
    Unit price /  per 
  • MAXMini Bronze Age Rain Drop Raw

    TDS™ 3" Sand MAX Mini w/ Natural Bronze Rain Drop Grate & Satin Bronze Edge

    TDS™ 3" Sand MAX Mini w/ Natural Bronze Rain Drop Grate & Satin Bronze Edge

    Regular price From $1,033.59 USD
    Regular price Sale price From $1,033.59 USD
    Unit price /  per 
  • Ulma Hydro Mini Plus 495

    ULMA HYDROPLUS Mini with 495/PNH100KCAM Slotted HP Grate Class A

    Sale

    ULMA HYDROPLUS Mini with 495/PNH100KCAM Slotted HP Grate Class A

    Regular price From $102.95 USD
    Regular price $125.50 USD Sale price From $102.95 USD
    Unit price /  per 
    Sale
  • 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 $1,054.92 USD
    Regular price Sale price $1,054.92 USD
    Unit price /  per 
  • 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
  • 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 $674.08 USD
    Regular price Sale price $674.08 USD
    Unit price /  per 
  • Trench•Era™ FP Series Drain System w/DG3042D 8" Wide Class D Grate - HD Galvanized Frame

    Trench•Era™ FP Series Drain System w/DG3042D 8" Wide Class D Grate - HD Galvanized Frame

    Trench•Era™ FP Series Drain System w/DG3042D 8" Wide Class D Grate - HD Galvanized Frame

    Request quote
  • TP0650S Catch basin with DG0640 Galvanized Slotted

    TV0650S (Shallow) Catch Basin Kit w/ DG0640H for POLYCAST®

    TV0650S (Shallow) Catch Basin Kit w/ DG0640H for POLYCAST®

    Regular price $449.46 USD
    Regular price Sale price $449.46 USD
    Unit price /  per 
  • ULMA HYDROM-INTER-HP-BF HYDROPLUS Mini Interlaken Heelproof - BoOF

    HYDROPLUS Mini w/ Iron Age 5"x 20" Heel Proof Interlaken BoOF Cast Iron Grate | Class B

    Sale

    HYDROPLUS Mini w/ Iron Age 5"x 20" Heel Proof Interlaken 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
  • HYDROPLUS 90 Degree with channels

    ULMA HYDROPLUS Corner Tee Kit | HYDRO-TEE

    Sale

    ULMA HYDROPLUS Corner Tee Kit | HYDRO-TEE

    Regular price $95.34 USD
    Regular price $122.58 USD Sale price $95.34 USD
    Unit price /  per 
    Sale
  • HYDROM-ANISE-0520-HP ULMA HYDROPLUS Anise 0520-Raw

    ULMA HYDROPLUS Mini w/ Iron Age IA-ANISE-0520-HP Anise Heel Proof Cast Iron Grate | Class B

    Sale

    ULMA HYDROPLUS Mini w/ Iron Age IA-ANISE-0520-HP Anise Heel Proof 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 HYDROM-INTER-HP HYDROPLUS Mini Interlaken Heelproof - Raw

    HYDROPLUS Mini w/ Iron Age 5"x 20" Heel Proof Interlaken RAW Cast Iron Grate | Class B

    Sale

    HYDROPLUS Mini w/ Iron Age 5"x 20" Heel Proof Interlaken 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
  • IA-Sun-CB12-BF Iron Age Sun 12" Catch Basin Grate in Baked On Oil Finish

    Iron Age IA-SUN-CB12-BF Class B Sun Cast Iron 12" x 12" Grate - Baked on Oil Finish

    Iron Age IA-SUN-CB12-BF Class B Sun Cast Iron 12" x 12" Grate - Baked on Oil Finish

    Regular price $301.73 USD
    Regular price Sale price $301.73 USD
    Unit price /  per 
  • 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 with IA-GRK-0520-Iron Age Greek Key Grate Class B

    HYDROPLUS Mini w/ Iron Age 5"x20" Greek Key Raw Cast Iron Grate | Class B

    Sale

    HYDROPLUS Mini w/ Iron Age 5"x20" Greek Key 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
  • 4inch-dia-locust-TDSdrains boof baked on oil finish round

    Iron Age IA-LOC-4D-BF Class B Locust Cast Iron 4" Dia. Grate - BoOF

    Iron Age IA-LOC-4D-BF Class B Locust Cast Iron 4" Dia. Grate - BoOF

    Regular price $77.22 USD
    Regular price Sale price $77.22 USD
    Unit price /  per 
  • ULMA HYDROPLUS Mini with Interlaken Raw IA-INTER-0520 Class B

    HYDROPLUS Mini w/ Iron Age 5"x 20" Interlaken Raw Cast Iron Grate | Class B

    Sale

    HYDROPLUS Mini w/ Iron Age 5"x 20" Interlaken Raw Cast Iron Grate | Class B

    Regular price From $396.55 USD
    Regular price $403.30 USD Sale price From $396.55 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 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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shop@trenchdrain.com

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