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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
      • Load Class C
      • 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
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  • 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 
  • D&L J-4221-01

    J-4221-01 Heavy Duty Cast Iron 10" x 24" x 1.5" Grate | D&L Foundry

    J-4221-01 Heavy Duty Cast Iron 10" x 24" x 1.5" Grate | D&L Foundry

    Regular price $145.50 USD
    Regular price Sale price $145.50 USD
    Unit price /  per 
  • ZURN P6-RPSC Reinforced Perforated Stainless Steel Class C Grate

    ZURN P6-RPSC Reinforced Perforated Stainless Steel Class C Grate

    ZURN P6-RPSC Reinforced Perforated Stainless Steel Class C Grate

    Regular price $673.60 USD
    Regular price Sale price $673.60 USD
    Unit price /  per 
  • MAX Mini with natural bronze Tardis 3 inch grate

    TDS™ 3" MAX Mini w/ Natural Bronze Tardis Grate - Sand Channel

    TDS™ 3" MAX Mini w/ Natural Bronze Tardis Grate - Sand Channel

    Regular price From $1,033.59 USD
    Regular price Sale price From $1,033.59 USD
    Unit price /  per 
  • ULMA HYDROPLUS w/ BARS Ductile Iron Grate - Class E

    ULMA HYDROPLUS w/ BARS Ductile Iron Grate - Class E

    Sale

    ULMA HYDROPLUS w/ BARS Ductile Iron Grate - Class E

    Regular price From $267.93 USD
    Regular price $291.86 USD Sale price From $267.93 USD
    Unit price /  per 
    Sale
  • Ulma U100KX Channel with Iron Age Heel Proof Regular Joe Grate

    Regular Joe Iron Age Grates on U100KX-ULMA Heelproof-RAW

    Sale

    Regular Joe Iron Age Grates on U100KX-ULMA Heelproof-RAW

    Regular price From $719.51 USD
    Regular price $815.39 USD Sale price From $719.51 USD
    Unit price /  per 
    Sale
  • 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 
  • ULMA U100KX with 486 Vinyl Ester 0.9 FRP Grate

    ULMA U100KX Kit with TDS 486 Vinyl Ester Bar Center Grate 0.9" on Center - Class B

    Sale

    ULMA U100KX Kit with TDS 486 Vinyl Ester Bar Center Grate 0.9" on Center - Class B

    Regular price From $572.06 USD
    Regular price $725.51 USD Sale price From $572.06 USD
    Unit price /  per 
    Sale
  • NDS900-catch-basin 9x9 NDS

    NDS 9" Catch Basin Kit with Iron Age Interlaken Grate | Natural

    NDS 9" Catch Basin Kit with Iron Age Interlaken Grate | Natural

    Regular price From $261.78 USD
    Regular price Sale price From $261.78 USD
    Unit price /  per 
  • NDS7 5inch square green slotted grate

    NDS7 5" Square Grate - Green

    NDS7 5" Square Grate - Green

    Regular price $8.11 USD
    Regular price Sale price $8.11 USD
    Unit price /  per 
  • A-FOAM-0336 Stainless Steel 3x36

    Bronze Age TDS-FOAM-0336-L Foam 316L Stainless Steel 3″x36″ Grate Load Class B

    Bronze Age TDS-FOAM-0336-L Foam 316L Stainless Steel 3″x36″ Grate Load Class B

    Regular price $249.00 USD
    Regular price Sale price $249.00 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
  • Zurn-P6-HPDE Z886 Z806 Class E slotted heel-proof Ductile Iron Grate

    Zurn P6-HPDE-OS Class E Slotted Heel-Proof Ductile Iron 6" x 20" Grate

    Zurn P6-HPDE-OS Class E Slotted Heel-Proof Ductile Iron 6" x 20" Grate

    Regular price $220.80 USD
    Regular price Sale price $220.80 USD
    Unit price /  per 
  • DG0630 CATHEDRAL Stainless Steel POLYCAST and SS600

    Bronze Age™ DG0630H CATH 304 Stainless Steel 5.25" x 24" Grate

    Bronze Age™ DG0630H CATH 304 Stainless Steel 5.25" x 24" Grate

    Regular price $120.18 USD
    Regular price Sale price $120.18 USD
    Unit price /  per 
  • NDS1290 Black Atrium HDPE Catch basin Grate

    NDS 1290 Atrium HDPE 12" X 12" Grate - BLACK

    NDS 1290 Atrium HDPE 12" X 12" Grate - BLACK

    Regular price $87.23 USD
    Regular price Sale price $87.23 USD
    Unit price /  per 
  • NDS 981 Black Atrium Grate

    NDS 9" Low Profile Catch Basin Kit with NDS Atrium Grate | Black

    NDS 9" Low Profile Catch Basin Kit with NDS Atrium Grate | Black

    Regular price From $113.67 USD
    Regular price Sale price From $113.67 USD
    Unit price /  per 
  • 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 
  • DG0692-POLYCAST-cast iron patriot grate by TDS

    TDS DG0692 Class C ADA Compliant Patriot Ductile Iron 6" x 24" Grate - BLACK

    TDS DG0692 Class C ADA Compliant Patriot Ductile Iron 6" x 24" Grate - BLACK

    Regular price $101.55 USD
    Regular price Sale price $101.55 USD
    Unit price /  per 
  • MV+200K-661 ULMA MULTIV with galvanized edging with 661 grate

    ULMA MV+200K w/ 661 Ductile Iron 9X20 Slotted Grate Class E

    Sale

    ULMA MV+200K w/ 661 Ductile Iron 9X20 Slotted Grate Class E

    Regular price From $206.73 USD
    Regular price $265.80 USD Sale price From $206.73 USD
    Unit price /  per 
    Sale
  • U100K-TDS0461 cast iron class E grate ulma polymer concrete channel

    ULMA U100K Drainage Kit w/ TDS 461D Slotted Ductile Iron Grate

    Sale

    ULMA U100K Drainage Kit w/ TDS 461D Slotted Ductile Iron Grate

    Regular price From $1,433.51 USD
    Regular price $1,833.08 USD Sale price From $1,433.51 USD
    Unit price /  per 
    Sale
  • POLYCAST500 with SS Edging and SS Square Deco Grate

    POLYCAST 500 Kit w/ Stainless Steel Edging and DG0633 Square Deco Grate | Class A

    POLYCAST 500 Kit w/ Stainless Steel Edging and DG0633 Square Deco Grate | Class A

    Regular price From $508.56 USD
    Regular price Sale price From $508.56 USD
    Unit price /  per 
  • LPK12-1290 NDS Low Profile Atrium Grate Catch Basin Kit

    NDS LPK12-1290 12" Low Profile Catch Basin Kit with NDS Atrium Grate | Black

    NDS LPK12-1290 12" Low Profile Catch Basin Kit with NDS Atrium Grate | Black

    Regular price From $152.35 USD
    Regular price Sale price From $152.35 USD
    Unit price /  per 
  • M100K- with 402 Galvanized Mesh Grate

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

    Sale

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

    Regular price From $247.65 USD
    Regular price $308.40 USD Sale price From $247.65 USD
    Unit price /  per 
    Sale
  • DG0655_SS_Wedge Wire_ClassB

    DG0655 Class B ADA Compliant Wedge Wire Stainless Steel 6" x 48" Grate

    DG0655 Class B ADA Compliant Wedge Wire Stainless Steel 6" x 48" Grate

    Regular price $420.00 USD
    Regular price Sale price $420.00 USD
    Unit price /  per 
  • M100KX Polymer concrete linear channel with stainless steel edge with 495 grey poly grates

    ULMA M100K Kit with 495 / PNH100KCAM-GRIS Polypropylene ADA Heel Proof Grate – GRAY

    Sale

    ULMA M100K Kit with 495 / PNH100KCAM-GRIS Polypropylene ADA Heel Proof Grate – GRAY

    Regular price From $225.34 USD
    Regular price $279.72 USD Sale price From $225.34 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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