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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
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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
      • 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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      • Ductile/Cast Iron
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  • 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
  • POLY600-GS-692-TDSdrains cast iron patriot grate galv steel edge polymer concrete channel Polycast

    POLYCAST® 600 Vinyl Ester Series Kit w/ DG0692 Patriot Ductile Iron Grate- Stainless Edge

    POLYCAST® 600 Vinyl Ester Series Kit w/ DG0692 Patriot Ductile Iron Grate- Stainless Edge

    Regular price From $408.63 USD
    Regular price Sale price From $408.63 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 
  • DP0600 POLYCAST 600 channel

    POLYCAST 600 Sloped Channel Kit - w/o Grates

    POLYCAST 600 Sloped Channel Kit - w/o Grates

    Regular price From $192.44 USD
    Regular price Sale price From $192.44 USD
    Unit price /  per 
  • Iron 18 x 18 decorative grate

    Iron Age IA-INTER-CB18-BF Class B Interlaken Cast Iron 18" x 18" Grate - BoOF

    Iron Age IA-INTER-CB18-BF Class B Interlaken Cast Iron 18" x 18" Grate - BoOF

    Regular price $717.86 USD
    Regular price Sale price $717.86 USD
    Unit price /  per 
  • ULMA shallow drain channel with stainless steel edge and Iron Age Carbochon grate with Baked on Oil Finish

    ULMA M100KX Kit with Iron Age CAA5-20I21 Carbochon Grate – BoOF

    Sale

    ULMA M100KX Kit with Iron Age CAA5-20I21 Carbochon Grate – BoOF

    Regular price From $718.03 USD
    Regular price $779.98 USD Sale price From $718.03 USD
    Unit price /  per 
    Sale
  • ULMA drain channel with stainless steel edge and Iron Age Regular Joe Baked on Oil Finish grate

    Regular Joe Iron Age Grates on U100KX ULMA Heelproof - BoOF

    Sale

    Regular Joe Iron Age Grates on U100KX ULMA Heelproof - BoOF

    Regular price From $351.82 USD
    Regular price $385.74 USD Sale price From $351.82 USD
    Unit price /  per 
    Sale
  • POLYCAST 700 PE FRAME 640R

    POLYCAST® 700 Vinyl Ester Series Kit w/DG0640R Reinforced Slot Galvanized Grate & HDPE Frame

    POLYCAST® 700 Vinyl Ester Series Kit w/DG0640R Reinforced Slot Galvanized Grate & HDPE Frame

    Regular price From $803.73 USD
    Regular price Sale price From $803.73 USD
    Unit price /  per 
  • IA-QUE-3x12 BOOF Iron Age Cast Iron for Mini Channel

    Iron Age IA-QUE-0312-HP-BF Class B Transverse Slotted Cast Iron 3" x 12" Grate - BoOF

    Iron Age IA-QUE-0312-HP-BF Class B Transverse Slotted Cast Iron 3" x 12" Grate - BoOF

    Regular price $114.40 USD
    Regular price Sale price $114.40 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
  • POLYCAST 600 with Stainless Steel Edge and DG0670

    POLYCAST® 600 Series Kit w/ Stainless Steel Edge & DG0670 Plastic Grate | Load Class A

    POLYCAST® 600 Series Kit w/ Stainless Steel Edge & DG0670 Plastic Grate | Load Class A

    Regular price From $247.87 USD
    Regular price Sale price From $247.87 USD
    Unit price /  per 
  • POLY600-XX-640R-TDSdrains

    POLYCAST 600 Series Kit with DG0640R Slotted Galvanized Grate

    POLYCAST 600 Series Kit with DG0640R Slotted Galvanized Grate

    Regular price From $367.29 USD
    Regular price Sale price From $367.29 USD
    Unit price /  per 
  • Iron Age-IA CARB-0820 2 - BoOF

    Iron Age IA-CARB-0820-BF Class B Carbochon Cast Iron Grate - BoOF 8" x 20" (Nominal)

    Iron Age IA-CARB-0820-BF Class B Carbochon Cast Iron Grate - BoOF 8" x 20" (Nominal)

    Regular price $384.67 USD
    Regular price Sale price $384.67 USD
    Unit price /  per 
  • 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 M100K Drain Channel kit w/Bronze Age™ BARS Grate-RAW

    ULMA M100K Drain Channel kit w/Bronze Age™ BARS Grate-RAW

    Sale

    ULMA M100K Drain Channel kit w/Bronze Age™ BARS Grate-RAW

    Regular price From $351.07 USD
    Regular price $391.38 USD Sale price From $351.07 USD
    Unit price /  per 
    Sale
  • POLYCAST 400 w/DG0442

    POLYCAST®400 Series Kit w/DG0442 5"x48" Slotted Galvanized Grate

    POLYCAST®400 Series Kit w/DG0442 5"x48" Slotted Galvanized Grate

    Regular price From $265.11 USD
    Regular price Sale price From $265.11 USD
    Unit price /  per 
  • POLY500-XX-630 POLYCAST 500 Cathedral Stainless Steel

    POLYCAST 500 Kit w/ DG0630 Stainless Steel Cathedral Grate | Class A

    POLYCAST 500 Kit w/ DG0630 Stainless Steel Cathedral Grate | Class A

    Regular price From $397.01 USD
    Regular price Sale price From $397.01 USD
    Unit price /  per 
  • POLY700-PE-655R

    POLYCAST®700 Vinyl Ester Kit w/DG0655R Reinforced Wedge Wire Stainless Grate-HDPE Frame

    POLYCAST®700 Vinyl Ester Kit w/DG0655R Reinforced Wedge Wire Stainless Grate-HDPE Frame

    Regular price From $930.56 USD
    Regular price Sale price From $930.56 USD
    Unit price /  per 
  • MMG-SB-LUNA

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

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

    Regular price From $1,033.59 USD
    Regular price Sale price From $1,033.59 USD
    Unit price /  per 
  • NDS 1881 Atrium Grate in Green for 18 inch Catch basin

    NDS 1881 Atrium HDPE 18" X 18" Grate - BLACK

    NDS 1881 Atrium HDPE 18" X 18" Grate - BLACK

    Regular price $176.25 USD
    Regular price Sale price $176.25 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST 600 Series Kit with DG0641D-G Slotted Ductile Iron-Galvanized Grate with Galvanized Edging

    POLYCAST 600 Series Kit with DG0641D-G Slotted Ductile Iron-Galvanized Grate with Galvanized Edging

    Regular price From $261.71 USD
    Regular price Sale price From $261.71 USD
    Unit price /  per 
  • ULMA M100K Drain Channel kit w/Bronze Age™ FERN Grate-RAW

    ULMA M100K Drain Channel kit w/Bronze Age™ FERN Grate-RAW

    Sale

    ULMA M100K Drain Channel kit w/Bronze Age™ FERN Grate-RAW

    Regular price From $351.07 USD
    Regular price $391.38 USD Sale price From $351.07 USD
    Unit price /  per 
    Sale
  • POLY500-XX-644SP POLYCAST 500 Kit with DG0644SP Fibgerlass Bar Grate

    POLYCAST 500 Series Kit with FG0644SP Vinyl-Ester Bar 3/8" Spacing Grate

    POLYCAST 500 Series Kit with FG0644SP Vinyl-Ester Bar 3/8" Spacing Grate

    Regular price From $550.60 USD
    Regular price Sale price From $550.60 USD
    Unit price /  per 
  • M100K-GP100KCA Galvanized perforated grate polymer concrete galv edge ULMA channel

    ULMA M100K W/Galv. Steel Perforated Grate (1M)

    Sale

    ULMA M100K W/Galv. Steel Perforated Grate (1M)

    Regular price From $187.38 USD
    Regular price $233.40 USD Sale price From $187.38 USD
    Unit price /  per 
    Sale
  • M100KX polymer concrete channel with stainless steel edge with Iron Age Baked on Oil Finish Cast Iron Janis grate

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

    Sale

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

    Regular price From $718.03 USD
    Regular price $779.98 USD Sale price From $718.03 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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