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Drainage Kits
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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
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      • Pour in Place (Concrete)
      • All Channel Materials
    • Load Class
      • Load Class A
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      • Load Class D
      • Load Class E
      • Load Class F
      • All Load Classes
  • Grates
    • 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
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  • POLY600-SS-647-DK stainless steel edge stainless steel slotted grate polymer concrete channel Polycast

    POLYCAST® 600 Vinyl Ester Series Kit with DG0647 Slotted Stainless Grate & Stainless Edge

    POLYCAST® 600 Vinyl Ester Series Kit with DG0647 Slotted Stainless Grate & Stainless Edge

    Regular price From $444.68 USD
    Regular price Sale price From $444.68 USD
    Unit price /  per 
  • Hydro Mini Plus with 486 Vinylester FRP .9 on center Grate Class B_1 Meter

    ULMA HYDROPLUS Mini with 486 Fiberglass Grate - Load Class B

    Sale

    ULMA HYDROPLUS Mini with 486 Fiberglass Grate - Load Class B

    Regular price From $203.56 USD
    Regular price $254.87 USD Sale price From $203.56 USD
    Unit price /  per 
    Sale
  • Aluminum Slotted Grate with 3" NDS Mini Channel MCKS-TDS561-TDSdrains

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

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

    Regular price From $336.47 USD
    Regular price Sale price From $336.47 USD
    Unit price /  per 
  • ULMA HYDROPLUS Mini w/ WAVE Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ WAVE Ductile Iron Grate Class C

    Sale

    ULMA HYDROPLUS Mini w/ WAVE 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
  • BA-SLOT-0312-BF TDS Bronze Age Slotted Ductile Iron Grate with BoOF

    TDS® 3" Sand Max Mini w/ Bronze Age™ Slot Grate - BoOF & Oil Rubbed Bronze Edge

    TDS® 3" Sand Max Mini w/ Bronze Age™ Slot Grate - BoOF & Oil Rubbed Bronze Edge

    Regular price From $710.66 USD
    Regular price Sale price From $710.66 USD
    Unit price /  per 
  • ULMA HYDROPLUS - 480 Ductile Iron Heel Proof Slotted C250 0.5M

    ULMA HYDROPLUS with 480/FNHX100KCCM Ductile Iron Heel Proof Slotted Grate Class C

    Sale

    ULMA HYDROPLUS with 480/FNHX100KCCM Ductile Iron Heel Proof Slotted Grate Class C

    Regular price From $169.01 USD
    Regular price $214.67 USD Sale price From $169.01 USD
    Unit price /  per 
    Sale
  • Hydro Plus with 486 Vinylester .9 inch center 1M Grate Class B

    ULMA HYDROPLUS with (486) Vinyl Ester FRP (0.9" on center) 1M Grates Class B

    Sale

    ULMA HYDROPLUS with (486) Vinyl Ester FRP (0.9" on center) 1M Grates Class B

    Regular price From $242.81 USD
    Regular price $309.57 USD Sale price From $242.81 USD
    Unit price /  per 
    Sale
  • HYDROPLUS with Iron Age Minnione Raw Cast Iron

    ULMA HYDROPLUS w/ CLass B Iron Age MA5-20I21 / IA-MIN-0520 Minnione Raw Cast Iron Grate

    Sale

    ULMA HYDROPLUS w/ CLass B Iron Age MA5-20I21 / IA-MIN-0520 Minnione Raw Cast Iron Grate

    Regular price From $441.85 USD
    Regular price $465.78 USD Sale price From $441.85 USD
    Unit price /  per 
    Sale
  • POLY600-XX-675

    POLYCAST® 600 Vinyl Ester Series Kit w/ DG0675 Transverse Slotted HDPE Grate

    POLYCAST® 600 Vinyl Ester Series Kit w/ DG0675 Transverse Slotted HDPE Grate

    Regular price From $315.12 USD
    Regular price Sale price From $315.12 USD
    Unit price /  per 
  • DG0655R_SS_Wedge_Wire_ClassD

    TDS DG0655R ADA Compliant Reinforced Wedge Wire Stainless Steel 6" x 48" Grate

    TDS DG0655R ADA Compliant Reinforced Wedge Wire Stainless Steel 6" x 48" Grate

    Regular price $420.00 USD
    Regular price Sale price $420.00 USD
    Unit price /  per 
  • New Image Coming Soon

    ULMA HYDROPLUS w/ 465 Slotted Ductile Iron Grate - Class B

    Sale

    ULMA HYDROPLUS w/ 465 Slotted Ductile Iron Grate - Class B

    Regular price From $141.93 USD
    Regular price $179.86 USD Sale price From $141.93 USD
    Unit price /  per 
    Sale
  • DP0650 Polycast 600 Foam Stainless Steel Grates

    POLYCAST® DP0650 Inline Catch Basin w/DG0632H Stainless Foam Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0632H Stainless Foam Grate

    Regular price $458.56 USD
    Regular price Sale price $458.56 USD
    Unit price /  per 
  • TDS-4in-bronze-natural-cathedral-TDSdrains

    Bronze Age BA-CATH-4D Class A Cathedral Bronze Natural Finish 4" Dia. Grate

    Bronze Age BA-CATH-4D Class A Cathedral Bronze Natural Finish 4" Dia. Grate

    Regular price $136.00 USD
    Regular price Sale price $136.00 USD
    Unit price /  per 
  • Hydro Plus with 488 Vinylester .6 inch center 1M Grate Class C

    ULMA HYDROPLUS with (488) Vinyl Ester FRP (0.6" on center) 1M Grates Class C

    Sale

    ULMA HYDROPLUS with (488) Vinyl Ester FRP (0.6" on center) 1M Grates Class C

    Regular price From $331.70 USD
    Regular price $423.85 USD Sale price From $331.70 USD
    Unit price /  per 
    Sale
  • MCKS-BA-STAR-BF 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 - BoOF

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

    Regular price From $258.32 USD
    Regular price Sale price From $258.32 USD
    Unit price /  per 
  • ULMA HYDRO PLUS with IA-RIV-0520-BF Iron Age River Rock Grate- BoOF Class B

    ULMA HYDROPLUS with Iron Age IA-RIV-0520-BF River Rock - BoOF

    Sale

    ULMA HYDROPLUS with Iron Age IA-RIV-0520-BF River Rock - BoOF

    Regular price From $559.11 USD
    Regular price $583.04 USD Sale price From $559.11 USD
    Unit price /  per 
    Sale
  • NDS-mini-554SKit-TDSdrains

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

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

    Regular price From $94.73 USD
    Regular price Sale price From $94.73 USD
    Unit price /  per 
  • ULMA M100KX Stainless Steel edged polymer concrete channel with heel-proof ductile iron class E grate

    ULMA M100KX w/480 Ductile Iron Heel-Proof Grate - Class C

    Sale

    ULMA M100KX w/480 Ductile Iron Heel-Proof Grate - Class C

    Regular price From $327.92 USD
    Regular price $411.62 USD Sale price From $327.92 USD
    Unit price /  per 
    Sale
  • New Image Coming Soon

    ULMA HYDROPLUS w/ WAVE Ductile Iron Grate - Class C

    Sale

    ULMA HYDROPLUS w/ WAVE 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
  • NDS500S-BA-BARS-D Ductile Iron Black

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

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

    Regular price From $183.32 USD
    Regular price Sale price From $183.32 USD
    Unit price /  per 
  • MCK-BA-STAR-BF NDS Mini Channel in Grey with TDS Bronze Age BoOF Ductile Iron Stars Grates

    NDS® 3" Gray Mini Channel Kit with TDS Bronze Age™ Star Grate - BoOF

    NDS® 3" Gray Mini Channel Kit with TDS Bronze Age™ Star Grate - BoOF

    Regular price From $252.29 USD
    Regular price Sale price From $252.29 USD
    Unit price /  per 
  • TP0650S Catch Basin with DG0621 Slot Galvanized

    TP0650S (Shallow) Catch Basin Kit w/ DG0621H for POLYCAST®

    TP0650S (Shallow) Catch Basin Kit w/ DG0621H for POLYCAST®

    Regular price $332.55 USD
    Regular price Sale price $332.55 USD
    Unit price /  per 
  • New Image Coming Soon

    NDS® 9" Catch Basin Kit w/FG-MICRO Fiberglass Micro Mesh Grate

    NDS® 9" Catch Basin Kit w/FG-MICRO Fiberglass Micro Mesh Grate

    Regular price From $109.97 USD
    Regular price Sale price From $109.97 USD
    Unit price /  per 
  • U100K00M-Argo cast iron deco ironage grate polymer concrete galv edge ULMA channel

    ULMA U100K Drainage Kit with Iron Age Argo Grate | Natural

    Sale

    ULMA U100K Drainage Kit with Iron Age Argo Grate | Natural

    Regular price From $605.00 USD
    Regular price $668.16 USD Sale price From $605.00 USD
    Unit price /  per 
    Sale
  • ULMA HYDROPLUS Mini Channel - Bottom View

    ULMA HYDROPLUS Mini with Stainless Steel Slotted Grate (454 / IN100KCC) Class C

    Sale

    ULMA HYDROPLUS Mini with Stainless Steel Slotted Grate (454 / IN100KCC) Class C

    Regular price From $337.52 USD
    Regular price $427.09 USD Sale price From $337.52 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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