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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 Load Classes
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    • Popular Manufacturers
      • TDS
      • Bronze Age
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      • Polylok
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      • 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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      • Ductile/Cast Iron
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  • MCKS-BA-STAR-D NDS Mini Channel in Sand with TDS Bronze age Ductile Iron Star Grate

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Star Grate - Ductile Iron

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Star Grate - Ductile Iron

    Regular price From $183.32 USD
    Regular price Sale price From $183.32 USD
    Unit price /  per 
  • MCKS-BA-CATH-D Mini Channel Sand with Bronze Age Cathedral Grate Ductile Iron

    NDS® 3" Sand Mini Channel Kit with TDS Bronze Age™ Cathedral Grate -Ductile Iron

    NDS® 3" Sand Mini Channel Kit with TDS Bronze Age™ Cathedral Grate -Ductile Iron

    Regular price From $183.32 USD
    Regular price Sale price From $183.32 USD
    Unit price /  per 
  • POLY500-SS-647-TDSdrains

    POLYCAST 500 Series Kit with DG0647 Slotted Stainless Grate and Edging

    POLYCAST 500 Series Kit with DG0647 Slotted Stainless Grate and Edging

    Regular price From $444.50 USD
    Regular price Sale price From $444.50 USD
    Unit price /  per 
  • HYDROPLUS - 438-SS Reinforced Wedge Wire Grate

    ULMA HYDROPLUS w/ (438) Stainless Steel Reinforced Wedge Wire Grate

    Sale

    ULMA HYDROPLUS w/ (438) Stainless Steel Reinforced Wedge Wire Grate

    Regular price From $555.63 USD
    Regular price $711.76 USD Sale price From $555.63 USD
    Unit price /  per 
    Sale
  • Botanical Natural in Grey Mini channel

    NDS 3" Gray Mini Channel Kit with NDS Botanical Grate - Natural

    NDS 3" Gray Mini Channel Kit with NDS Botanical Grate - Natural

    Regular price From $293.70 USD
    Regular price Sale price From $293.70 USD
    Unit price /  per 
  • U100KM-Locust-boof cast iron deco ironage grate polymer concrete ULMA channel galv edge

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

    Sale

    ULMA U100K Drainage Kit with Iron Age Locust 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 HYDRO PLUS with IA-JOE-0520-HP-BF Iron Age Regular Joe Heel Proof BoOF Grate_Class B

    ULMA HYDROPLUS with Iron Age IA-JOE-0520-HP-BF Regular Joe Heel Proof - BoOF

    Sale

    ULMA HYDROPLUS with Iron Age IA-JOE-0520-HP-BF Regular Joe Heel Proof - BoOF

    Regular price From $551.97 USD
    Regular price $573.86 USD Sale price From $551.97 USD
    Unit price /  per 
    Sale
  • ULMA U100KX Drain Channel kit w/ Bronze Age™ Luna Grate-RAW

    ULMA U100KX Drain Channel kit w/ Bronze Age™ Luna Grate-RAW

    Sale

    ULMA U100KX Drain Channel kit w/ Bronze Age™ Luna Grate-RAW

    Regular price From $206.23 USD
    Regular price $240.15 USD Sale price From $206.23 USD
    Unit price /  per 
    Sale
  • M100KX Ulma Stainless Steel edge channel Iron Age River Rock Raw Grate

    M100KX Kit w/Iron Age River Rock Grate | RAW

    Sale

    M100KX Kit w/Iron Age River Rock Grate | RAW

    Regular price From $2,162.39 USD
    Regular price $2,371.45 USD Sale price From $2,162.39 USD
    Unit price /  per 
    Sale
  • NDS-Dura-XX-661-TDSdrains

    NDS® Dura Slope Kit with DS-661LG HDPE Slotted Grate | Light Gray

    NDS® Dura Slope Kit with DS-661LG HDPE Slotted Grate | Light Gray

    Regular price From $418.31 USD
    Regular price Sale price From $418.31 USD
    Unit price /  per 
  • PCK5-DG0644SP-SE POLCYAST 500 with Steel Edge and DG0644SP Fiberglass Grates

    POLYCAST 500 Series Kit w/ FG0644SP Vinyl-Ester Bar 3/8" Spacing Grate and Stainless Edge

    POLYCAST 500 Series Kit w/ FG0644SP Vinyl-Ester Bar 3/8" Spacing Grate and Stainless Edge

    Regular price From $635.18 USD
    Regular price Sale price From $635.18 USD
    Unit price /  per 
  • MMS-SS-CATH MAX Mini kit with sand channel and stainless steel grate

    3" Sand MAX Mini Kit w/ Cathedral HP 316L Stainless Steel Grate

    3" Sand MAX Mini Kit w/ Cathedral HP 316L Stainless Steel Grate

    Regular price From $704.11 USD
    Regular price Sale price From $704.11 USD
    Unit price /  per 
  • 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 HYDROPLUS Mini w/ FERN Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ FERN Ductile Iron Grate Class C

    Sale

    ULMA HYDROPLUS Mini w/ FERN 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 low profile polymer concrete channel with stainless steel edge and reinforced stainless steel slotted grate

    ULMA M100KX Kit with 454 / IN100KCC Reinforced Stainless Steel Slotted Grate

    Sale

    ULMA M100KX Kit with 454 / IN100KCC Reinforced Stainless Steel Slotted Grate

    Regular price From $535.68 USD
    Regular price $678.74 USD Sale price From $535.68 USD
    Unit price /  per 
    Sale
  • MV+200KX-678

    ULMA MV+200KX w/ 678 HP Ductile Iron 9X20 Slotted Grate Class E

    Sale

    ULMA MV+200KX w/ 678 HP Ductile Iron 9X20 Slotted Grate Class E

    Regular price From $279.35 USD
    Regular price $359.16 USD Sale price From $279.35 USD
    Unit price /  per 
    Sale
  • IronAge-bullseye-12x12-cb-grate-TDSdrains raw cast iron deco

    Iron Age IA-BULL-CB12-HP Class B Heel-Proof Bullseye Cast Iron 12" x 12" Grate - Natural

    Iron Age IA-BULL-CB12-HP Class B Heel-Proof Bullseye Cast Iron 12" x 12" Grate - Natural

    Regular price $231.66 USD
    Regular price Sale price $231.66 USD
    Unit price /  per 
  • ULMA drain channel with stainless steel edge and polypropylene grate

    ULMA U100KX Kit with 494 / PNH100KCAM Polypropylene ADA Heel Proof Grate – BLACK

    Sale

    ULMA U100KX Kit with 494 / PNH100KCAM Polypropylene ADA Heel Proof Grate – BLACK

    Regular price From $139.81 USD
    Regular price $179.75 USD Sale price From $139.81 USD
    Unit price /  per 
    Sale
  • MV+200KX-658

    ULMA MV+200KX w/ 658 HP Ductile Iron 9X20 Slotted Grate Class C

    Sale

    ULMA MV+200KX w/ 658 HP Ductile Iron 9X20 Slotted Grate Class C

    Regular price From $250.82 USD
    Regular price $322.48 USD Sale price From $250.82 USD
    Unit price /  per 
    Sale
  • ULMA HYDRO PLUS with IA-ARGO-0520-HP-BF Iron Age Argo Heelproof BoOF Grate-Class B

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

    Sale

    ULMA HYDROPLUS w/ Iron Age IA-ARGO-0520-HP-BF Argo Heel Proof 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
  • NDS 24" Catch Basin Kit with Iron Age Oblio Grate | Natural

    NDS 24" Catch Basin Kit with Iron Age Oblio Grate | Natural

    NDS 24" Catch Basin Kit with Iron Age Oblio Grate | Natural

    Regular price From $1,833.50 USD
    Regular price Sale price From $1,833.50 USD
    Unit price /  per 
  • POLY500-xx-641-TDSdrains ductile iron slotted grate shallow POLYCAST polymer concrete channel

    POLYCAST 500 Series Kit with DG0641D Slotted Ductile Iron Grate

    POLYCAST 500 Series Kit with DG0641D Slotted Ductile Iron Grate

    Regular price From $319.31 USD
    Regular price Sale price From $319.31 USD
    Unit price /  per 
  • ULMA U100KX with Stainless Steel Edge and Stainless Steel Slotted Grate

    ULMA U100KX w/ Reinforced Stainless Steel Slotted Grate (454) Class C

    Sale

    ULMA U100KX w/ Reinforced Stainless Steel Slotted Grate (454) Class C

    Regular price From $296.01 USD
    Regular price $380.58 USD Sale price From $296.01 USD
    Unit price /  per 
    Sale
  • 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
  • POLY500-AA-675D-TDSdrains cast iron frame cast iron transverse ada slotted grate shallow POLYCAST polymer concrete channel

    POLYCAST 500 Series Kit w/ DG0675HD ADA Transverse Slotted Ductile Iron Grate & Frame

    POLYCAST 500 Series Kit w/ DG0675HD ADA Transverse Slotted Ductile Iron Grate & Frame

    Regular price From $492.53 USD
    Regular price Sale price From $492.53 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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