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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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      • Pour in Place (Concrete)
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      • All Load Classes
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      • Zurn
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    • Popular Drainage Systems
      • Dura Slope
      • FP1200
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      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
    • Grate Material
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  • NDS-speeD400-244-TDSdrains

    NDS Spee-D® Channel w/ 244 Slotted HDPE 4"x24" Sand Grate

    NDS Spee-D® Channel w/ 244 Slotted HDPE 4"x24" Sand Grate

    Regular price From $123.56 USD
    Regular price Sale price From $123.56 USD
    Unit price /  per 
  • Iron Age Mission Bay Grating in the Ulma U100KX Channel

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

    Sale

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

    Regular price From $293.19 USD
    Regular price $327.11 USD Sale price From $293.19 USD
    Unit price /  per 
    Sale
  • New Image Coming Soon

    ULMA HYDROPLUS w/ 462G Ductile Iron Grate - Class D

    Sale

    ULMA HYDROPLUS w/ 462G Ductile Iron Grate - Class D

    Regular price From $158.10 USD
    Regular price $200.65 USD Sale price From $158.10 USD
    Unit price /  per 
    Sale
  • BA-PED-0312 Bronze Natural Mini Channel Pedreda Grate

    Bronze Age BA-PED-0312 Class A Pedreda Bronze Natural Finish 3" x 12" Grate

    Bronze Age BA-PED-0312 Class A Pedreda Bronze Natural Finish 3" x 12" Grate

    Regular price $136.00 USD
    Regular price Sale price $136.00 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST 500 Series Kit with DG0669 Stainless Bar Grate and HDPE Frame

    POLYCAST 500 Series Kit with DG0669 Stainless Bar Grate and HDPE Frame

    Regular price From $1,452.88 USD
    Regular price Sale price From $1,452.88 USD
    Unit price /  per 
  • NDS-speeD400-253S-TDSdrains

    NDS Spee-D® Channel w/ 253S Wave HDPE 4"x24" Sand Grate

    NDS Spee-D® Channel w/ 253S Wave HDPE 4"x24" Sand Grate

    Regular price From $115.58 USD
    Regular price Sale price From $115.58 USD
    Unit price /  per 
  • ULMA drain channel with stainless steel edge and Iron Age Oblio grate

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

    Sale

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

    Regular price From $289.62 USD
    Regular price $322.52 USD Sale price From $289.62 USD
    Unit price /  per 
    Sale
  • HYDROPLUS with 497 ADA Mesh Polypropylene Grate Class B

    ULMA HYDROPLUS w/ 497 / PE100KCBM Polypropylene ADA Mesh Grate Load Class B - BLACK

    Sale

    ULMA HYDROPLUS w/ 497 / PE100KCBM Polypropylene ADA Mesh Grate Load Class B - BLACK

    Regular price From $153.41 USD
    Regular price $194.62 USD Sale price From $153.41 USD
    Unit price /  per 
    Sale
  • MCK-BA-BARS-D NDS MIni Channel in Grey with TDS Bronze Age Grates in Ductile Iron

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

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

    Regular price From $177.29 USD
    Regular price Sale price From $177.29 USD
    Unit price /  per 
  • 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
  • POLYCAST®700 Series Kit w/ DG0655R Wedge Wire Grate & HDPE Frame | Load Class C

    POLYCAST®700 Series Kit w/ DG0655R Wedge Wire Grate & HDPE Frame | Load Class C

    POLYCAST®700 Series Kit w/ DG0655R Wedge Wire Grate & HDPE Frame | Load Class C

    Regular price From $546.58 USD
    Regular price Sale price From $546.58 USD
    Unit price /  per 
  • MCK-BA-DECO-0336 Sand Mini Channel with Square Deco Stainless Steel Grate

    NDS® 3" Sand Mini Channel Kit w/Square Deco 316L Stainless Steel HP Grates

    NDS® 3" Sand Mini Channel Kit w/Square Deco 316L Stainless Steel HP Grates

    Regular price From $312.47 USD
    Regular price Sale price From $312.47 USD
    Unit price /  per 
  • NDS500-BA-STAR-A Bronze Age Aluminum Stars Grate

    NDS 3" Gray Mini Channel Kit with TDS Bronze Age Stars Grate - Aluminum

    NDS 3" Gray Mini Channel Kit with TDS Bronze Age Stars Grate - Aluminum

    Regular price From $330.44 USD
    Regular price Sale price From $330.44 USD
    Unit price /  per 
  • Natural Bronze Pedreda Grate in Sand Mini

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Pedreda Grate - Natural

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Pedreda Grate - Natural

    Regular price From $471.47 USD
    Regular price Sale price From $471.47 USD
    Unit price /  per 
  • 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
  • Pedreda Aluminum Grates

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Pedreda Grate - Aluminum

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Pedreda Grate - Aluminum

    Regular price From $336.47 USD
    Regular price Sale price From $336.47 USD
    Unit price /  per 
  • POLYCAST 600 W/ DG0675

    POLYCAST® 600 Series Kit w/ DG0675 Plastic HDPE Grate - Load Class A

    POLYCAST® 600 Series Kit w/ DG0675 Plastic HDPE Grate - Load Class A

    Regular price From $213.22 USD
    Regular price Sale price From $213.22 USD
    Unit price /  per 
  • 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
  • LPK09-913-34

    NDS 9" Low Profile Catch Basin Kit with NDS Slotted Grate | Ductile Iron

    NDS 9" Low Profile Catch Basin Kit with NDS Slotted Grate | Ductile Iron

    Regular price From $214.40 USD
    Regular price Sale price From $214.40 USD
    Unit price /  per 
  • NDS-2outlet-catch-basin-4in-outlets-grey-slotted-grate-TDSdrains (1)

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

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

    Regular price From $152.83 USD
    Regular price Sale price From $152.83 USD
    Unit price /  per 
  • BA-LUNA-0312 TDS Luna Natural Bronze Grate

    Bronze Age BA-LUNA-0312 Luna Bronze Natural 3" x 12" Grate

    Bronze Age BA-LUNA-0312 Luna Bronze Natural 3" x 12" Grate

    Regular price $136.00 USD
    Regular price Sale price $136.00 USD
    Unit price /  per 
  • NDS-speeD400-251-TDSdrains

    NDS Spee-D® Channel w/ 251 Slotted HDPE 4"x24" Brick Red Grate

    NDS Spee-D® Channel w/ 251 Slotted HDPE 4"x24" Brick Red Grate

    Regular price From $131.69 USD
    Regular price Sale price From $131.69 USD
    Unit price /  per 
  • 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
  • DG0631 Transverse SLOT Stainless Steel POLYCAST and SS600

    Bronze Age DG0631 SLOT 304 Stainless Steel 5.25" x 48" (Nominal) Grate | Class A

    Bronze Age DG0631 SLOT 304 Stainless Steel 5.25" x 48" (Nominal) Grate | Class A

    Regular price $178.83 USD
    Regular price Sale price $178.83 USD
    Unit price /  per 
  • 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
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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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