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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
    • Channel Materials
      • Fiberglass
      • Plastic
      • Polymer Concrete
      • Stainless Steel
      • Pour in Place (Concrete)
      • All Channel Materials
    • Load Class
      • Load Class A
      • Load Class B
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      • Load Class D
      • Load Class E
      • Load Class F
      • 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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      • Bronze
      • Ductile/Cast Iron
      • Fiberglass
      • Galvanized Steel
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      • Stainless Steel
      • All Grate Materials
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  • ULMA M100K w/Bronze Age™ Luna Ductile Iron Heel-Proof Grate - RAW

    ULMA M100K w/Bronze Age™ Luna Ductile Iron Heel-Proof Grate - RAW

    Sale

    ULMA M100K w/Bronze Age™ Luna Ductile Iron Heel-Proof Grate - RAW

    Regular price From $351.07 USD
    Regular price $391.38 USD Sale price From $351.07 USD
    Unit price /  per 
    Sale
  • NDS970 6inch diameter strium sand grate

    NDS090S Atrium HDPE 6" Dia. Grate - Sand

    NDS090S Atrium HDPE 6" Dia. Grate - Sand

    Regular price $24.14 USD
    Regular price Sale price $24.14 USD
    Unit price /  per 
  • POLY600-GS-692-TDSdrains cast iron patriot grate galv steel edge polymer concrete channel Polycast

    POLYCAST® 600 Series Kit w/ DG0692 Patriot Ductile Iron Grate & Galvanized Edging

    POLYCAST® 600 Series Kit w/ DG0692 Patriot Ductile Iron Grate & Galvanized Edging

    Regular price From $289.28 USD
    Regular price Sale price From $289.28 USD
    Unit price /  per 
  • ULMA M100KX Channel with Stainless Steel Edge and Mission Bay Grate

    ULMA M100KX Kit w/Iron Age Heel Proof Mission Bay Grate | RAW

    Sale

    ULMA M100KX Kit w/Iron Age Heel Proof Mission Bay Grate | RAW

    Regular price From $600.77 USD
    Regular price $662.72 USD Sale price From $600.77 USD
    Unit price /  per 
    Sale
  • U100K-462

    ULMA U100KX Drainage Kit w/TDS 462G Ductile Iron Grate

    Sale

    ULMA U100KX Drainage Kit w/TDS 462G Ductile Iron Grate

    Regular price From $154.89 USD
    Regular price $199.14 USD Sale price From $154.89 USD
    Unit price /  per 
    Sale
  • ZURN P886-FG Galvanized Slotted Grates

    Zurn Z886 Drainage Kit w/ P6-FG Galvanized Slotted Grate - Class A

    Zurn Z886 Drainage Kit w/ P6-FG Galvanized Slotted Grate - Class A

    Regular price From $957.55 USD
    Regular price Sale price From $957.55 USD
    Unit price /  per 
  • PCK6-SE-655R Polycast 600 Kit with Stainless Steel Edge and DG0655R Reinforced Wedge Wire Grate

    POLYCAST®600 Series Kit w/ DG0655R Wedge Wire & Stainless Steel Edging

    POLYCAST®600 Series Kit w/ DG0655R Wedge Wire & Stainless Steel Edging

    Regular price From $550.18 USD
    Regular price Sale price From $550.18 USD
    Unit price /  per 
  • Bronze Age Grates - Tardis - Aluminum

    Bronze Age BA-TAR-0312-A Class A Tardis Aluminum 3" x 12" Grate

    Bronze Age BA-TAR-0312-A Class A Tardis Aluminum 3" x 12" Grate

    Regular price $91.00 USD
    Regular price Sale price $91.00 USD
    Unit price /  per 
  • Polycast 600 with DG0647R Reinforced Slotted grates with Stainless Steel Edges

    POLYCAST 600 Series Kit with DG0647R Reinforced Slotted Stainless Grate and Edging

    POLYCAST 600 Series Kit with DG0647R Reinforced Slotted Stainless Grate and Edging

    Regular price From $567.82 USD
    Regular price Sale price From $567.82 USD
    Unit price /  per 
  • IA-locust-raw-3x12-fullview-TDSdrains

    Iron Age IA-LOC-0312 Class B Cast Iron Locust 3" x 12" Grate - RAW

    Sale

    Iron Age IA-LOC-0312 Class B Cast Iron Locust 3" x 12" Grate - RAW

    Regular price $78.65 USD
    Regular price $78.65 USD Sale price $78.65 USD
    Unit price /  per 
    Sale
  • NDS70-3inch-atrium-grate-green

    NDS 070 Atrium HDPE 3" Dia. Grate

    NDS 070 Atrium HDPE 3" Dia. Grate

    Regular price $11.59 USD
    Regular price Sale price $11.59 USD
    Unit price /  per 
  • P4-HPP-BROWN_ ZURN Z884 grate

    Zurn P4-HPP-BROWN Class A ADA Compliant Slotted HDPE 4" x 20" Grate - BROWN

    Zurn P4-HPP-BROWN Class A ADA Compliant Slotted HDPE 4" x 20" Grate - BROWN

    Regular price $52.00 USD
    Regular price Sale price $52.00 USD
    Unit price /  per 
  • POLY700-PE-644SP polycast 700 with HDPE frame and Fiberglass 644SP grates

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

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

    Regular price From $843.09 USD
    Regular price Sale price From $843.09 USD
    Unit price /  per 
  • NDS1218 botanical black catch basin grate

    NDS 1218 Class B ADA Compliant Botanical HDPE 12" x 12" Grate - Black

    NDS 1218 Class B ADA Compliant Botanical HDPE 12" x 12" Grate - Black

    Regular price $90.92 USD
    Regular price Sale price $90.92 USD
    Unit price /  per 
  • Ulma U100KX Channel with Polypropylene Mesh Grate - Black

    ULMA U100KX Kit w/ 497 / PE100KCBM Mesh Polypropylene Grate

    Sale

    ULMA U100KX Kit w/ 497 / PE100KCBM Mesh Polypropylene Grate

    Regular price From $438.21 USD
    Regular price $553.41 USD Sale price From $438.21 USD
    Unit price /  per 
    Sale
  • ULMA M100V w/Bronze Age™ BARS Ductile Iron Heel-Proof Grate - RAW

    ULMA M100V w/Bronze Age™ BARS Ductile Iron Heel-Proof Grate - RAW

    Sale

    ULMA M100V w/Bronze Age™ BARS Ductile Iron Heel-Proof Grate - RAW

    Regular price From $310.06 USD
    Regular price $338.65 USD Sale price From $310.06 USD
    Unit price /  per 
    Sale
  • NDS1218CI NDS 12x12" Cast Iron Botanical Catch Basin Grate

    NDS 1218CI-BF Class B Botanical Cast Iron 12" x 12" Grate - BoOF

    NDS 1218CI-BF Class B Botanical Cast Iron 12" x 12" Grate - BoOF

    Regular price $328.46 USD
    Regular price Sale price $328.46 USD
    Unit price /  per 
  • DG0675HD-polycast-duraguard-longit-slotted-grate-TDSdrains

    POLYCAST DG0675HD Class D HP ADA Transverse Slotted Ductile Iron 5.19" x 24" Grate

    POLYCAST DG0675HD Class D HP ADA Transverse Slotted Ductile Iron 5.19" x 24" Grate

    Regular price $60.35 USD
    Regular price Sale price $60.35 USD
    Unit price /  per 
  • 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 
  • Zurn_Z884_HDPE_Plastic_Grate_4_x_20-Dark_Gray Z884 drain kit with Dark gray slotted grate

    ZURN Z884 Drainage Kit w/ P4-HPP-DK-GREY HDPE HDPE Grate - Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-DK-GREY HDPE HDPE Grate - Bottom Outlet

    Regular price From $349.18 USD
    Regular price Sale price From $349.18 USD
    Unit price /  per 
  • POLY600-xx-657-TDSdrains stainless steel perforated grate polymer concrete channel Polycast

    POLYCAST 600 Series Kit w/ DG0657 Perforated Stainless Steel Grate

    POLYCAST 600 Series Kit w/ DG0657 Perforated Stainless Steel Grate

    Regular price From $309.86 USD
    Regular price Sale price From $309.86 USD
    Unit price /  per 
  • NDS1218GR botanical Green catch basin grate

    NDS 1218GN Class B ADA Compliant Botanical HDPE 12" x 12" Grate - GREEN

    NDS 1218GN Class B ADA Compliant Botanical HDPE 12" x 12" Grate - GREEN

    Regular price $85.87 USD
    Regular price Sale price $85.87 USD
    Unit price /  per 
  • P4-HPP-BLACK ZURN_Z884_grate

    Zurn P4-HPP-BLACK Class A ADA Compliant Slotted HDPE 4" x 20" Grate - BLACK

    Zurn P4-HPP-BLACK Class A ADA Compliant Slotted HDPE 4" x 20" Grate - BLACK

    Regular price $52.00 USD
    Regular price Sale price $52.00 USD
    Unit price /  per 
  • ULMA polymer concrete linear channel with stainless steel edge with Iron Age Raw Cast Iron Locust grate

    ULMA M100KX w/ Iron Age Locust 5x20 Grate-RAW

    Sale

    ULMA M100KX w/ Iron Age Locust 5x20 Grate-RAW

    Regular price From $600.77 USD
    Regular price $662.72 USD Sale price From $600.77 USD
    Unit price /  per 
    Sale
  • M100KX ULMA polymer concrete channel with stainless steel edge and Iron Age Baked on Oil Finish Cast Iron grate

    ULMA M100KX Kit with Iron Age Regular Joe Grate – BoOF

    Sale

    ULMA M100KX Kit with Iron Age Regular Joe Grate – BoOF

    Regular price From $711.98 USD
    Regular price $772.21 USD Sale price From $711.98 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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