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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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      • Fiberglass
      • Plastic
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      • Pour in Place (Concrete)
      • All Channel Materials
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      • Load Class A
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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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  • M100KX polymer concrete channel with stainless steel edge with Iron Age Raw Cast Iron Janis grate

    ULMA M100KX Kit with Iron Age JA5-20I21 Janis Grate - RAW

    Sale

    ULMA M100KX Kit with Iron Age JA5-20I21 Janis Grate - RAW

    Regular price From $600.77 USD
    Regular price $662.72 USD Sale price From $600.77 USD
    Unit price /  per 
    Sale
  • New Image Coming Soon

    Zurn ZF806 Flo-Thru® Drain with P6-GHPDE Galvanized Ductile Iron Grate - HD Z Frame

    Zurn ZF806 Flo-Thru® Drain with P6-GHPDE Galvanized Ductile Iron Grate - HD Z Frame

    Regular price From $3,215.80 USD
    Regular price Sale price From $3,215.80 USD
    Unit price /  per 
  • TDS DG3042D Class D Slotted Ductile Iron 8" x 24" Grate

    TDS DG3042D Class D Slotted Ductile Iron 8" x 24" Grate

    TDS DG3042D Class D Slotted Ductile Iron 8" x 24" Grate

    Regular price $78.78 USD
    Regular price Sale price $78.78 USD
    Unit price /  per 
  • BA-STAR-0312-A Stars Bronze Age Aluminum Grate

    Bronze Age™ BA-STAR-0312-A Stars Aluminum 3" x 12" Grate

    Bronze Age™ BA-STAR-0312-A Stars Aluminum 3" x 12" Grate

    Regular price $91.00 USD
    Regular price Sale price $91.00 USD
    Unit price /  per 
  • Dura-Diamond-Grate-TDSdrains dura slope deco cast iron grate

    NDS DS-602 Class C Diamond Ductile Iron 6" x 24" Grate - RAW

    NDS DS-602 Class C Diamond Ductile Iron 6" x 24" Grate - RAW

    Regular price $127.08 USD
    Regular price Sale price $127.08 USD
    Unit price /  per 
  • BA-SLOT-0212 Slim Channel Bronze Natural Slotted Grate

    Bronze Age BA-SLOT-0212 Class A Slotted Bronze Natural Finish 2" x 12" Grate

    Bronze Age BA-SLOT-0212 Class A Slotted Bronze Natural Finish 2" x 12" Grate

    Regular price $136.00 USD
    Regular price Sale price $136.00 USD
    Unit price /  per 
  • ULMA U100KX-Rain-BoOF

    ULMA U100KX w/ Iron Age Rain Grate-BoOF

    Sale

    ULMA U100KX w/ Iron Age Rain Grate-BoOF

    Regular price From $351.82 USD
    Regular price $385.74 USD Sale price From $351.82 USD
    Unit price /  per 
    Sale
  • 24x24 Catch Basin Kit with Slotted Polyolefin Garte - Black

    NDS 24" Catch Basin Kit with NDS Slotted Grate | Black

    NDS 24" Catch Basin Kit with NDS Slotted Grate | Black

    Regular price From $1,332.37 USD
    Regular price Sale price From $1,332.37 USD
    Unit price /  per 
  • Zurn 6" Plastic ADA linear slotted Grate P6-HPP-GREEN

    Zurn P6-HPP-GREEN Class A Linear Slotted HDPE 6" x 20" Grate

    Zurn P6-HPP-GREEN Class A Linear Slotted HDPE 6" x 20" Grate

    Regular price $108.00 USD
    Regular price Sale price $108.00 USD
    Unit price /  per 
  • NDS823 proseries 5 cast iron heavy duty grate

    NDS 823 Class C Slotted Ductile Iron 5" x 20" Grate

    NDS 823 Class C Slotted Ductile Iron 5" x 20" Grate

    Regular price $192.32 USD
    Regular price Sale price $192.32 USD
    Unit price /  per 
  • Polycast-600Channel-DK polymer concrete pre sloped channel

    POLYCAST® 700 Series Kit w/FG0644SP Fiberglass Slotted Grate & HDPE Frame

    POLYCAST® 700 Series Kit w/FG0644SP Fiberglass Slotted Grate & HDPE Frame

    Regular price From $384.18 USD
    Regular price Sale price From $384.18 USD
    Unit price /  per 
  • SS600 STAINLESS CHANNEL WITH STAINLESS CATHEDRAL GRATE

    SS600 Stainless Steel Drain Kit w/ DG0630 CATHEDRAL 304 Stainless Grate | Class A

    SS600 Stainless Steel Drain Kit w/ DG0630 CATHEDRAL 304 Stainless Grate | Class A

    Regular price From $1,449.84 USD
    Regular price Sale price From $1,449.84 USD
    Unit price /  per 
  • New Image Coming Soon

    ZURN Z884 Drainage Kit w/ P4-FS Slotted Stainless Steel Class A Grates - Stainless Frame

    ZURN Z884 Drainage Kit w/ P4-FS Slotted Stainless Steel Class A Grates - Stainless Frame

    Regular price From $766.60 USD
    Regular price Sale price From $766.60 USD
    Unit price /  per 
  • HYDROPLUS - 461 ductile iron grate Class E

    ULMA HYDROPLUS with Ductile Iron Slotted Grate (461D) Class E

    Sale

    ULMA HYDROPLUS with Ductile Iron Slotted Grate (461D) Class E

    Regular price From $171.55 USD
    Regular price $217.95 USD Sale price From $171.55 USD
    Unit price /  per 
    Sale
  • M100K-FNHX100KCCM-1 Wave heel-proof cast iron grate polymer concrete galv edge ULMA channel

    ULMA M100K W/Ductile Iron Heel-proof Wave Grate (1/2 M) Class C

    Sale

    ULMA M100K W/Ductile Iron Heel-proof Wave Grate (1/2 M) Class C

    Regular price From $252.15 USD
    Regular price $314.19 USD Sale price From $252.15 USD
    Unit price /  per 
    Sale
  • NDS Dura Slope Inline Catch Basin with DS-660 Grate

    NDS® Dura Slope In-Line Catch Basin with DS-660 HDPE Slotted Grate White

    NDS® Dura Slope In-Line Catch Basin with DS-660 HDPE Slotted Grate White

    Regular price From $615.63 USD
    Regular price Sale price From $615.63 USD
    Unit price /  per 
  • POLYCAST DG0641D-G Slotted Ductile Iron - Galvanized Grate 6" x 24" (Nominal)

    POLYCAST DG0641D-G Slotted Ductile Iron - Galvanized Grate 6" x 24" (Nominal)

    POLYCAST DG0641D-G Slotted Ductile Iron - Galvanized Grate 6" x 24" (Nominal)

    Regular price $73.99 USD
    Regular price Sale price $73.99 USD
    Unit price /  per 
  • ULMA drain channel with stainless steel edge and Iron Age River Rock Baked on Oil Finish grate

    ULMA U100KX Drain Channel w/ Iron Age River Rock Grate-BoOF

    Sale

    ULMA U100KX Drain Channel w/ Iron Age River Rock Grate-BoOF

    Regular price From $351.82 USD
    Regular price $385.74 USD Sale price From $351.82 USD
    Unit price /  per 
    Sale
  • NDS-839-SS-FHMS-40 NDS 839 STAINLESS STEEL FLAT HEAD SCEWS BAG OF 40

    NDS 839 Screws for Pro Series 5 and Spee-D QTY-40

    NDS 839 Screws for Pro Series 5 and Spee-D QTY-40

    Regular price $12.42 USD
    Regular price Sale price $12.42 USD
    Unit price /  per 
  • ULMA Stainless Steel Perforated Grate IP100KCA 440_IP100KCAM 441

    ULMA 440 / IP100KCA Class A Perforated w/Tread Stainless Steel 124mm x 1M Grate

    Sale

    ULMA 440 / IP100KCA Class A Perforated w/Tread Stainless Steel 124mm x 1M Grate

    Regular price $107.66 USD
    Regular price $138.42 USD Sale price $107.66 USD
    Unit price /  per 
    Sale
  • Pro Series 5-NDS800

    NDS 800 Pro Series 5 Deep Profile Channel Drain

    NDS 800 Pro Series 5 Deep Profile Channel Drain

    Regular price $80.10 USD
    Regular price Sale price $80.10 USD
    Unit price /  per 
  • IA-Interlaken-raw-3x11-full-TDSdrains

    Iron Age IA-INTER-0311 Class B Interlaken Cast Iron 3" x 11" Grate - RAW

    Iron Age IA-INTER-0311 Class B Interlaken Cast Iron 3" x 11" Grate - RAW

    Regular price $78.65 USD
    Regular price Sale price $78.65 USD
    Unit price /  per 
  • NDS-2outlet-catch-basin-6in-outlets-sand-slotted-grate-TDSdrains (1)

    NDS 12" Catch Basin Kit with NDS Slotted Grate | Sand

    NDS 12" Catch Basin Kit with NDS Slotted Grate | Sand

    Regular price From $154.29 USD
    Regular price Sale price From $154.29 USD
    Unit price /  per 
  • ULMA drain channel with stainless steel edge and polypropylene grate

    ULMA U100KX Kit 495 / PNH100KCAM-GRIS Polypropylene ADA/HP Class A Gray Grate

    Sale

    ULMA U100KX Kit 495 / PNH100KCAM-GRIS Polypropylene ADA/HP Class A Gray Grate

    Regular price From $142.87 USD
    Regular price $183.70 USD Sale price From $142.87 USD
    Unit price /  per 
    Sale
  • U100K with 402 Galvanized Steel Mesh Grate

    ULMA U100K Drainage Kit with ULMA 402 Mesh Grate | Galvanized

    Sale

    ULMA U100K Drainage Kit with ULMA 402 Mesh Grate | Galvanized

    Regular price From $122.69 USD
    Regular price $157.74 USD Sale price From $122.69 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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