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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
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      • Fiberglass
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      • All Manufacturers
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      • 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
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      • Galvanized Steel
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  • ULMA HYDROPLUS w/ LUNA Ductile Iron Grate - Class C

    ULMA HYDROPLUS w/ LUNA Ductile Iron Grate - Class C

    ULMA HYDROPLUS w/ LUNA Ductile Iron Grate - Class C

    Regular price From $291.86 USD
    Regular price Sale price From $291.86 USD
    Unit price /  per 
  • ULMA HYDROPLUS w/ CATHEDRAL Ductile Iron Grate - Class C

    ULMA HYDROPLUS w/ CATHEDRAL Ductile Iron Grate - Class C

    ULMA HYDROPLUS w/ CATHEDRAL Ductile Iron Grate - Class C

    Regular price From $291.86 USD
    Regular price Sale price From $291.86 USD
    Unit price /  per 
  • ULMA HYDROPLUS w/ PED Ductile Iron Grate - Class C

    ULMA HYDROPLUS w/ PED Ductile Iron Grate - Class C

    ULMA HYDROPLUS w/ PED Ductile Iron Grate - Class C

    Regular price From $291.86 USD
    Regular price Sale price From $291.86 USD
    Unit price /  per 
  • MMG-SS-CATH MAX Mini kit with gray channel and stainless steel grate

    TDS™ 3" Gray MAX Mini w/Cathedral HP 316L Stainless Steel Grate & Stainless Steel Edge

    TDS™ 3" Gray MAX Mini w/Cathedral HP 316L Stainless Steel Grate & Stainless Steel Edge

    Regular price From $684.98 USD
    Regular price Sale price From $684.98 USD
    Unit price /  per 
  • MMG-SS-SLOT MAX Mini kit with gray channel and stainless steel grate

    TDS™ 3" Gray MAX Mini w/Slotted HP 316L Stainless Steel Grate & Stainless Steel Edge

    TDS™ 3" Gray MAX Mini w/Slotted HP 316L Stainless Steel Grate & Stainless Steel Edge

    Regular price From $684.98 USD
    Regular price Sale price From $684.98 USD
    Unit price /  per 
  • DSK-IA-INTER NDS Duraslope with Iron Age Interlaken grate

    NDS Dura Slope Kit w/Iron Age Interlaken Grate - RAW

    NDS Dura Slope Kit w/Iron Age Interlaken Grate - RAW

    Regular price From $886.21 USD
    Regular price Sale price From $886.21 USD
    Unit price /  per 
  • 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 
  • NDS-Spee-D-channel-Wave-grate-BooF

    NDS Spee-D® Channel w/ 253CI-BF Wave Cast Iron 4"x24" BoOF Grate

    NDS Spee-D® Channel w/ 253CI-BF Wave Cast Iron 4"x24" BoOF Grate

    Regular price From $260.68 USD
    Regular price Sale price From $260.68 USD
    Unit price /  per 
  • MMS-SS-FOAM MAX Mini kit with sand channel and stainless steel grate

    3" Sand MAX Mini w/Perf Foam HP 304 Stainless Steel Grate/Edge

    3" Sand MAX Mini w/Perf Foam HP 304 Stainless Steel Grate/Edge

    Regular price From $588.98 USD
    Regular price Sale price From $588.98 USD
    Unit price /  per 
  • MMG-SS-DECO MAX Mini kit with gray channel and stainless steel grate

    TDS™ 3" Gray MAX Mini w/Deco HP 316L Stainless Steel Grate & Stainless Steel Edge

    TDS™ 3" Gray MAX Mini w/Deco HP 316L Stainless Steel Grate & Stainless Steel Edge

    Regular price From $588.98 USD
    Regular price Sale price From $588.98 USD
    Unit price /  per 
  • PCK5-DG0622 Foam Perforated

    POLYCAST 500 Kit w/ DG0622 Galvanized Foam Perforated Grate | Class A

    POLYCAST 500 Kit w/ DG0622 Galvanized Foam Perforated Grate | Class A

    Regular price From $339.61 USD
    Regular price Sale price From $339.61 USD
    Unit price /  per 
  • Zurn P12-PSR Raised Perforated Stainless Steel ADA Grate Anti-Slip Heel-Proof

    Zurn P12-PSR Class A ADA Raised Perforated Heel-Proof Stainless Steel 12" x 24" Grate

    Zurn P12-PSR Class A ADA Raised Perforated Heel-Proof Stainless Steel 12" x 24" Grate

    Regular price $707.20 USD
    Regular price Sale price $707.20 USD
    Unit price /  per 
  • M100K-PNH100KCAM-BL Poly Black Heel-proof ADA grate polymer concrete galv edge low profile ULMA channel

    ULMA M100K Kit with 494 / PNH100KCAM Polypropylene ADA Heel Proof Grate – BLACK

    ULMA M100K Kit with 494 / PNH100KCAM Polypropylene ADA Heel Proof Grate – BLACK

    Regular price From $271.83 USD
    Regular price Sale price From $271.83 USD
    Unit price /  per 
  • M100K-FNHX100KCCM-2 Ductile Iron grate Low Profile shallow polymer concrete galv edge ULMA channel

    ULMA M100K W/ Ductile Iron Slotted Grate (1/2M) Class C

    ULMA M100K W/ Ductile Iron Slotted Grate (1/2M) Class C

    Regular price From $290.16 USD
    Regular price Sale price From $290.16 USD
    Unit price /  per 
  • PCK5-DG0621 Slot

    POLYCAST 500 Kit w/ DG0621 Galvanized Slotted Grate | Class A

    POLYCAST 500 Kit w/ DG0621 Galvanized Slotted Grate | Class A

    Regular price From $301.88 USD
    Regular price Sale price From $301.88 USD
    Unit price /  per 
  • FGK-EZ EZ Frame for Fiberglass grates

    EZ Frame Rails for 1.5" or 2.0" Thick Grates - FGK-EZ-1520

    EZ Frame Rails for 1.5" or 2.0" Thick Grates - FGK-EZ-1520

    Regular price From $279.05 USD
    Regular price Sale price From $279.05 USD
    Unit price /  per 
  • NDS-Spee-D-channel-Botanical

    NDS Spee-D® Channel w/ 252CI Botanical Cast Iron 4"x24" RAW Grate

    NDS Spee-D® Channel w/ 252CI Botanical Cast Iron 4"x24" RAW Grate

    Regular price From $234.28 USD
    Regular price Sale price From $234.28 USD
    Unit price /  per 
  • ULMA D100-461

    ULMA D100 Drain Channel w/461D Slotted Ductile Iron Grate - Class E

    ULMA D100 Drain Channel w/461D Slotted Ductile Iron Grate - Class E

    Regular price From $340.52 USD
    Regular price Sale price From $340.52 USD
    Unit price /  per 
  • PCK5-DG0620 Cathedral

    POLYCAST 500 Kit w/ DG0620 Galvanized Cathedral Grate | Class A

    POLYCAST 500 Kit w/ DG0620 Galvanized Cathedral Grate | Class A

    Regular price From $319.98 USD
    Regular price Sale price From $319.98 USD
    Unit price /  per 
  • POLYCAST 600 Series Kit w/ DG0675G Gray Transverse Plastic Grate - Load Class A

    POLYCAST 600 Series Kit w/ DG0675G Gray Transverse Plastic Grate - Load Class A

    POLYCAST 600 Series Kit w/ DG0675G Gray Transverse Plastic Grate - Load Class A

    Regular price From $217.81 USD
    Regular price Sale price From $217.81 USD
    Unit price /  per 
  • NDS-Spee-D-channel-Wave-grate-Raw

    NDS Spee-D® Channel w/ 253CI Wave Cast Iron 4"x24" RAW Grate

    NDS Spee-D® Channel w/ 253CI Wave Cast Iron 4"x24" RAW Grate

    Regular price From $234.28 USD
    Regular price Sale price From $234.28 USD
    Unit price /  per 
  • MCK-BA-FOAM-0336 Grey NDS Mini Channel with Stainless Steel Perforated Foam Grate

    NDS 3" Gray Mini Channel Kit w/ TDS Perforated Foam Heel Proof Grate - 316 Stainless

    NDS 3" Gray Mini Channel Kit w/ TDS Perforated Foam Heel Proof Grate - 316 Stainless

    Regular price From $306.44 USD
    Regular price Sale price From $306.44 USD
    Unit price /  per 
  • POLY700-PE-647R

    POLYCAST® 700 Vinyl Ester Series Kit w/DG0647R Reinforced Slotted Stainless Grate & HDPE Frame

    POLYCAST® 700 Vinyl Ester Series Kit w/DG0647R Reinforced Slotted Stainless Grate & HDPE Frame

    Regular price From $1,036.52 USD
    Regular price Sale price From $1,036.52 USD
    Unit price /  per 
  • M100K- with 402 Galvanized Mesh Grate

    M100K W/ 1M Galv. Steel Mesh Grate (402)-ULMA

    M100K W/ 1M Galv. Steel Mesh Grate (402)-ULMA

    Regular price From $308.40 USD
    Regular price Sale price From $308.40 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 HYDROPLUS Mini w/ BARS Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ BARS Ductile Iron Grate Class C

    $237.16 $183.00
  • ULMA HYDROPLUS Mini w/ FERN Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ FERN Ductile Iron Grate Class C

    $237.16 $183.00
  • ULMA HYDROPLUS Mini w/ CATHEDRAL Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ CATHEDRAL Ductile Iron Grate Class C

    $237.16 $183.00
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