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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
      • Polymer Concrete
      • Stainless Steel
      • Pour in Place (Concrete)
      • All Channel Materials
    • Load Class
      • Load Class A
      • Load Class B
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      • Load Class D
      • Load Class E
      • Load Class F
      • 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
      • Plastic
      • Stainless Steel
      • All Grate Materials
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Products Blogs
  • ULMA drain channel with stainless steel edge and Iron Age Regular Joe grate

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

    Sale

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

    Regular price From $719.51 USD
    Regular price $815.39 USD Sale price From $719.51 USD
    Unit price /  per 
    Sale
  • DP0751-DG0685HD

    POLYCAST®DP0751 Catch Basin w/DG0685HD Cast Iron Slotted Grate and Frame

    POLYCAST®DP0751 Catch Basin w/DG0685HD Cast Iron Slotted Grate and Frame

    Regular price $1,802.68 USD
    Regular price Sale price $1,802.68 USD
    Unit price /  per 
  • Trench•Era™ FP Series Drain System w/DG3043D 8" Wide Class C Grate - HD Stainless Frame

    Trench•Era™ FP Series Drain System w/DG3043D 8" Wide Class C Grate - HD Stainless Frame

    Trench•Era™ FP Series Drain System w/DG3043D 8" Wide Class C Grate - HD Stainless Frame

    Request quote
  • ULMA HYDROPLUS Mini with Interlaken BoOF IA-Inter-0520-BF Class B

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

    Sale

    HYDROPLUS Mini w/ Iron Age 5"x 20" Interlaken 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
  • U100K-TDS0461 cast iron class E grate ulma polymer concrete channel

    ULMA U100K Drainage Kit w/ TDS 461D Slotted Ductile Iron Grate

    Sale

    ULMA U100K Drainage Kit w/ TDS 461D Slotted Ductile Iron Grate

    Regular price From $1,433.51 USD
    Regular price $1,833.08 USD Sale price From $1,433.51 USD
    Unit price /  per 
    Sale
  • ULMA HYDROPLUS Mini with IA-CARBO-0520 Iron Age Carbochon Grate Raw

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

    Sale

    HYDROPLUS Mini w/ Iron Age 5"x20" Carbochon 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
  • FFKS-3042D

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

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

    Request quote
  • U100K00M-Interlaken-boof cast iron deco ironage grate polymer concrete channel galv edge

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

    Sale

    ULMA U100K Drainage Kit with Iron Age Interlaken 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
  • MMG-SB-RAIN

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

    TDS™ 3" Gray 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 HYDROPLUS - Que Raw Finish Grate

    ULMA HYDROPLUS with Iron Age QUA5-20I21HP / IA-QUE-0520 Que Raw Cast Iron Grate Class B

    Sale

    ULMA HYDROPLUS with Iron Age QUA5-20I21HP / IA-QUE-0520 Que 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
  • TP0650S Catch Basin with DG0621 Slot Galvanized with DG0620 Cathedral Galvanized

    TV0650S (Shallow) Catch Basin Kit w/ DG0620H for POLYCAST®

    TV0650S (Shallow) Catch Basin Kit w/ DG0620H for POLYCAST®

    Regular price $492.97 USD
    Regular price Sale price $492.97 USD
    Unit price /  per 
  • Ulma U100KX Channel with Iron Age Heel Proof Regular Joe Grate

    Regular Joe Iron Age Grates on U100KX-ULMA Heelproof-RAW

    Sale

    Regular Joe Iron Age Grates on U100KX-ULMA Heelproof-RAW

    Regular price From $719.51 USD
    Regular price $815.39 USD Sale price From $719.51 USD
    Unit price /  per 
    Sale
  • CBK-24 Catch Basin with NDS2413 24 inch Black Cast Iron Grate

    NDS 24" Catch Basin Kit with NDS2413 Slotted Cast Iron Grate | Black

    NDS 24" Catch Basin Kit with NDS2413 Slotted Cast Iron Grate | Black

    Regular price From $1,942.00 USD
    Regular price Sale price From $1,942.00 USD
    Unit price /  per 
  • POLY700-PE-647R

    POLYCAST® 700 Series Kit w/DG0647R Reinforced Slotted Stainless Grate & HDPE Frame

    POLYCAST® 700 Series Kit w/DG0647R Reinforced Slotted Stainless Grate & HDPE Frame

    Regular price From $564.21 USD
    Regular price Sale price From $564.21 USD
    Unit price /  per 
  • MV+200K-661 ULMA MULTIV with galvanized edging with 661 grate

    ULMA MV+200K w/ 661 Ductile Iron 9X20 Slotted Grate Class E

    Sale

    ULMA MV+200K w/ 661 Ductile Iron 9X20 Slotted Grate Class E

    Regular price From $206.73 USD
    Regular price $265.80 USD Sale price From $206.73 USD
    Unit price /  per 
    Sale
  • 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
  • ULMA with stainless steel edge and Carbochon Baked on Oil Finish grate

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

    Sale

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

    Regular price From $293.19 USD
    Regular price $327.11 USD Sale price From $293.19 USD
    Unit price /  per 
    Sale
  • Trench•Era™ FP Series Drain System w/DG3042D 8" Wide Class D Grate - MD Stainless Frame

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

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

    Request quote
  • ULMA U100KX polymer concrete pre-sloped stainless edged channel with ductile iron class E grate

    ULMA U100KX Drainage Kit w/ TDS 461D Slotted Ductile Iron Grate

    Sale

    ULMA U100KX Drainage Kit w/ TDS 461D Slotted Ductile Iron Grate

    Regular price From $456.35 USD
    Regular price $576.74 USD Sale price From $456.35 USD
    Unit price /  per 
    Sale
  • Trench•Era™ FP Series Drain System w/DG3043D 8" Wide Class D Grate - HD Galvanized Frame

    Trench•Era™ FP Series Drain System w/DG3043D 8" Wide Class D Grate - HD Galvanized Frame

    Trench•Era™ FP Series Drain System w/DG3043D 8" Wide Class D Grate - HD Galvanized Frame

    Request quote
  • Trench•Era™ FP Series Drain System w/DG3041D 8" Wide Class F Grate - HD Stainless Frame

    Trench•Era™ FP Series Drain System w/DG3041D 8" Wide Class F Grate - HD Stainless Frame

    Trench•Era™ FP Series Drain System w/DG3041D 8" Wide Class F Grate - HD Stainless Frame

    Request quote
  • Trench•Era™ FP Series Drain System w/DG0841 10" Wide Class C Grate - HD Galvanized Frame

    Trench•Era™ FP Series Drain System w/DG0841 10" Wide Class C Grate - HD Galvanized Frame

    Trench•Era™ FP Series Drain System w/DG0841 10" Wide Class C Grate - HD Galvanized Frame

    Request quote
  • Trench•Era™ FP Series Drain System w/DG0875 10" Wide Class E ADA Grate - HD Galvanized Frame

    Trench•Era™ FP Series Drain System w/DG0875 10" Wide Class E ADA Grate - HD Galvanized Frame

    Trench•Era™ FP Series Drain System w/DG0875 10" Wide Class E ADA Grate - HD Galvanized Frame

    Request quote
  • M100K-GN100KCC Reinforced Galvanized Steel grate polymer concrete galv edge ULMA channel

    ULMA M100K Rein. Galv. Steel Slotted Grate (1M)

    Sale

    ULMA M100K Rein. Galv. Steel Slotted Grate (1M)

    Regular price From $232.52 USD
    Regular price $288.96 USD Sale price From $232.52 USD
    Unit price /  per 
    Sale
  • Trench•Era™ FP Series Drain System w/DG0846 10" Wide Class F Grate - MD Galvanized Frame

    Trench•Era™ FP Series Drain System w/DG0846 10" Wide Class F Grate - MD Galvanized Frame

    Trench•Era™ FP Series Drain System w/DG0846 10" Wide Class F Grate - MD Galvanized Frame

    Request quote
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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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