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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
      • 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
  • 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
      • All Grate Materials
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  • POLYCAST polymer concrete channel with Stainless Steel Wire Wedge Grate

    POLYCAST 600 Series Kit with DG0655 Wedge Wire Stainless Steel Grate - Load Class B

    POLYCAST 600 Series Kit with DG0655 Wedge Wire Stainless Steel Grate - Load Class B

    Regular price From $277.42 USD
    Regular price Sale price From $277.42 USD
    Unit price /  per 
  • MMG-SB-BA-BARS-B

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze BARS Grate & Satin Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze BARS Grate & Satin Bronze Edge

    Regular price From $1,198.59 USD
    Regular price Sale price From $1,198.59 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
  • 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
  • NDS Dura Slope Inline Catch Basin with DS-670 Grate

    NDS® Dura Slope In-Line Catch Basin with DS-670 HDPE Perforated Grate Light Gray

    NDS® Dura Slope In-Line Catch Basin with DS-670 HDPE Perforated Grate Light Gray

    Regular price From $611.93 USD
    Regular price Sale price From $611.93 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST 500 Series Kit w/ DG0646R Reinforced Perforated Galvanized Grate- HDPE Frame

    POLYCAST 500 Series Kit w/ DG0646R Reinforced Perforated Galvanized Grate- HDPE Frame

    Regular price From $779.52 USD
    Regular price Sale price From $779.52 USD
    Unit price /  per 
  • 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 
  • Zurn 6" Plastic ADA linear slotted Grate P6-HPP-RED

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

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

    Regular price $108.00 USD
    Regular price Sale price $108.00 USD
    Unit price /  per 
  • Z884-P4-PG ZURN Z884 with Galv Perf Class A

    ZURN Z884 Drainage Kit w/ P4-PS Stainless Steel Perforated Grate - Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-PS Stainless Steel Perforated Grate - Bottom Outlet

    Regular price From $591.61 USD
    Regular price Sale price From $591.61 USD
    Unit price /  per 
  • BA-TAR-0312-BF TDS Bronze Age Tardis grate in BoOF

    Bronze Age™ BA-TAR-0312-BF Ductile Iron 3" x 12" Grate -BoOF

    Bronze Age™ BA-TAR-0312-BF Ductile Iron 3" x 12" Grate -BoOF

    Regular price $64.95 USD
    Regular price Sale price $64.95 USD
    Unit price /  per 
  • CBK-24-2415 NDS Catch Basin Kit 24" with NDS 2415 Galvanized Bar Grate

    NDS 24" Catch Basin Kit with NDS 2415 Bar Grate | Galvanized

    NDS 24" Catch Basin Kit with NDS 2415 Bar Grate | Galvanized

    Regular price From $2,160.04 USD
    Regular price Sale price From $2,160.04 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
  • MMG-BF-LUNA-B

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze Luna Grate & Oil Rubbed Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze Luna Grate & Oil Rubbed Bronze Edge

    Regular price From $1,198.59 USD
    Regular price Sale price From $1,198.59 USD
    Unit price /  per 
  • ULMA HYDRO PLUS with Galvanized Slotted 420-Class A

    ULMA HYDROPLUS with 420 / GN100KCA Galvanized Slotted Grate Class A

    Sale

    ULMA HYDROPLUS with 420 / GN100KCA Galvanized Slotted Grate Class A

    Regular price From $112.01 USD
    Regular price $145.13 USD Sale price From $112.01 USD
    Unit price /  per 
    Sale
  • POLY600-SS-669

    POLYCAST® 600 Vinyl Ester Series Kit with DG0669 Stainless Bar Grate & Edge

    POLYCAST® 600 Vinyl Ester Series Kit with DG0669 Stainless Bar Grate & Edge

    Regular price From $873.64 USD
    Regular price Sale price From $873.64 USD
    Unit price /  per 
  • 420 ULMA slotted galvanized steel grate

    ULMA 421 / GN100KCAM Class A Slotted Galvanized Steel 122mm x 500mm Grate

    Sale

    ULMA 421 / GN100KCAM Class A Slotted Galvanized Steel 122mm x 500mm Grate

    Regular price $21.38 USD
    Regular price $27.49 USD Sale price $21.38 USD
    Unit price /  per 
    Sale
  • POLY600-xx-647-DK stainless steel slotted grate polymer concrete channel

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

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

    Regular price From $402.39 USD
    Regular price Sale price From $402.39 USD
    Unit price /  per 
  • NDS1224CI-BF NDS 12x12" Baked on Oil Finish Cast Iron Catch Basin Grate

    NDS 1224CI-BF Class B ADA Compliant Wave Cast Iron 12" x 12" Grate - BoOF

    NDS 1224CI-BF Class B ADA Compliant Wave Cast Iron 12" x 12" Grate - BoOF

    Regular price $511.98 USD
    Regular price Sale price $511.98 USD
    Unit price /  per 
  • nds817-sand-grate Pro Series 5

    NDS 817 Class B ADA Compliant Light Traffic HDPE 5" x 20" Grate - SAND

    NDS 817 Class B ADA Compliant Light Traffic HDPE 5" x 20" Grate - SAND

    Regular price $39.03 USD
    Regular price Sale price $39.03 USD
    Unit price /  per 
  • NDS710 pro-series 3-kit including channel, grates

    NDS 764 Pro Series 3 Drain Kit

    NDS 764 Pro Series 3 Drain Kit

    Regular price $68.62 USD
    Regular price Sale price $68.62 USD
    Unit price /  per 
  • NDS990_Green_Catch_Basin_Grate_9x9

    NDS 990 Class A ADA Compliant Slotted HDPE 9" x 9" Grate - GREEN

    NDS 990 Class A ADA Compliant Slotted HDPE 9" x 9" Grate - GREEN

    Regular price $44.56 USD
    Regular price Sale price $44.56 USD
    Unit price /  per 
  • 494 PNH100KCAM black plastic slotted ulma grate

    ULMA 494 / PNH100KCAM Class A ADA/HP Slotted Polypropylene 123mm x 498mm Grate | Black

    Sale

    ULMA 494 / PNH100KCAM Class A ADA/HP Slotted Polypropylene 123mm x 498mm Grate | Black

    Regular price $24.93 USD
    Regular price $32.05 USD Sale price $24.93 USD
    Unit price /  per 
    Sale
  • ZURN Z884 Drainage Kit w/ P4-HPP-BLACK HDPE Grate - Bottom Outlet

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

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

    Regular price From $349.18 USD
    Regular price Sale price From $349.18 USD
    Unit price /  per 
  • ULMA M100KX polymer concrete channel with stainless steel edge and Iron Age Raw Cast Iron Oblio grate

    ULMA M100KX Kit with Iron Age OZ5-20I32 Oblio Grate-RAW

    Sale

    ULMA M100KX Kit with Iron Age OZ5-20I32 Oblio Grate-RAW

    Regular price From $600.77 USD
    Regular price $662.72 USD Sale price From $600.77 USD
    Unit price /  per 
    Sale
  • POLYCST 600 - DG0633 SS SQUARE DECO grate

    POLYCAST® 600 Series Kit w/ DG0633 Square Deco Perforated Class A Stainless Steel Grate

    POLYCAST® 600 Series Kit w/ DG0633 Square Deco Perforated Class A Stainless Steel Grate

    Regular price From $284.89 USD
    Regular price Sale price From $284.89 USD
    Unit price /  per 
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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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