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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
      • 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
      • Aluminum
      • Bronze
      • Ductile/Cast Iron
      • Fiberglass
      • Galvanized Steel
      • Plastic
      • Stainless Steel
      • All Grate Materials
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  • POLY500-SS-657-TDSdrains stainless steel perforated grate stainless steel edge shallow profile polymer concrete channel Polycast

    POLYCAST 500 Series Kit with DG0657 Perforated Stainless Grate and Edging

    POLYCAST 500 Series Kit with DG0657 Perforated Stainless Grate and Edging

    Regular price From $488.76 USD
    Regular price Sale price From $488.76 USD
    Unit price /  per 
  • Polycast 600 with DG0647R Reinforced Slotted grates with Stainless Steel Edges

    POLYCAST® 600 Vinyl Ester Series Kit w/ DG0647R Reinforced Stainless Slotted Grate & Edge

    POLYCAST® 600 Vinyl Ester Series Kit w/ DG0647R Reinforced Stainless Slotted Grate & Edge

    Regular price From $669.72 USD
    Regular price Sale price From $669.72 USD
    Unit price /  per 
  • NDS 881 8 in grate

    NDS 881 Class A ADA Compliant Slotted HDPE 8" x 8" Grate - BLACK

    NDS 881 Class A ADA Compliant Slotted HDPE 8" x 8" Grate - BLACK

    Regular price $19.48 USD
    Regular price Sale price $19.48 USD
    Unit price /  per 
  • 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 
  • ZURN Z884 Drainage Kit w/ P4-HPP-TEA&CREAM HDPE Slotted Class A Grates

    ZURN Z884 Drainage Kit w/ P4-HPP-TEA&CREAM HDPE Slotted Class A Grates

    ZURN Z884 Drainage Kit w/ P4-HPP-TEA&CREAM HDPE Slotted Class A Grates

    Regular price From $316.38 USD
    Regular price Sale price From $316.38 USD
    Unit price /  per 
  • USF 6235 24x24 Grate

    USF 6235 Slotted Gray Iron 24" X 24" Catch Basin Grate | Load Class D

    USF 6235 Slotted Gray Iron 24" X 24" Catch Basin Grate | Load Class D

    Regular price $485.30 USD
    Regular price Sale price $485.30 USD
    Unit price /  per 
  • ZURN Z884 Drainage Kit w/ P4-HPP-GREEN HDPE Slotted Grate - Vandal Proof Locks & Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-GREEN HDPE Slotted Grate - Vandal Proof Locks & Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-GREEN HDPE Slotted Grate - Vandal Proof Locks & Bottom Outlet

    Regular price From $399.80 USD
    Regular price Sale price From $399.80 USD
    Unit price /  per 
  • ULMA U100K with 486 Vinyl Ester 0.9 FRP Grate

    ULMA U100K Drainage Kit with TDS Vinyl Ester Bar Grate 0.9″ on center - Class B

    Sale

    ULMA U100K Drainage Kit with TDS Vinyl Ester Bar Grate 0.9″ on center - Class B

    Regular price From $450.41 USD
    Regular price $569.10 USD Sale price From $450.41 USD
    Unit price /  per 
    Sale
  • ZURN Z884 Drainage Kit w/ P4-HPP-TEA&CREAM HDPE Slotted Grate - Vandal Proof Locks & Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-TEA&CREAM HDPE Slotted Grate - Vandal Proof Locks & Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-TEA&CREAM HDPE Slotted Grate - Vandal Proof Locks & Bottom Outlet

    Regular price From $399.80 USD
    Regular price Sale price From $399.80 USD
    Unit price /  per 
  • NDS2412 Green 24" HDPE Slotted Catch Basin Grate

    NDS 2412 Class B Slotted HDPE 24" x 24" Grate - GREEN

    NDS 2412 Class B Slotted HDPE 24" x 24" Grate - GREEN

    Regular price $596.55 USD
    Regular price Sale price $596.55 USD
    Unit price /  per 
  • DG0640 POLYCAST Galvanized Slotted Grate

    POLYCAST DG0640 Slotted Galvanized 6" x 48" Grate | Load Class B

    POLYCAST DG0640 Slotted Galvanized 6" x 48" Grate | Load Class B

    Regular price $64.11 USD
    Regular price Sale price $64.11 USD
    Unit price /  per 
  • PCK6-SE-655R Polycast 600 Kit with Stainless Steel Edge and DG0655R Reinforced Wedge Wire Grate

    POLYCAST® 600 Vinyl Ester Series Kit with DG0655R Stainless Wedge Wire Grate & Edge

    POLYCAST® 600 Vinyl Ester Series Kit with DG0655R Stainless Wedge Wire Grate & Edge

    Regular price From $652.08 USD
    Regular price Sale price From $652.08 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 Slotted Grate - Vandal Proof Locks & Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-DK -GREY HDPE Slotted Grate - Vandal Proof Locks & Bottom Outlet

    Regular price From $399.80 USD
    Regular price Sale price From $399.80 USD
    Unit price /  per 
  • ZURN Z884 Drainage Kit w/ P4-HPP-WHITE HDPE Slotted Grate - Vandal Proof Locks

    ZURN Z884 Drainage Kit w/ P4-HPP-WHITE HDPE Slotted Grate - Vandal Proof Locks

    ZURN Z884 Drainage Kit w/ P4-HPP-WHITE HDPE Slotted Grate - Vandal Proof Locks

    Regular price $367.00 USD
    Regular price Sale price $367.00 USD
    Unit price /  per 
  • ZURN Z884 Drainage Kit w/ P4-HPP-BLACK HDPE Slotted Class A Grates

    ZURN Z884 Drainage Kit w/ P4-HPP-BLACK HDPE Slotted Class A Grates

    ZURN Z884 Drainage Kit w/ P4-HPP-BLACK HDPE Slotted Class A Grates

    Regular price From $316.38 USD
    Regular price Sale price From $316.38 USD
    Unit price /  per 
  • NDS-Dura-Slope-DS-122-grate-lock

    NDS DS-122 Hold-Down Device Dura Slope Grates

    NDS DS-122 Hold-Down Device Dura Slope Grates

    Regular price $20.65 USD
    Regular price Sale price $20.65 USD
    Unit price /  per 
  • ZURN Z884 Drainage Kit w/ P4-HPP-BROWN HDPE Slotted Class A Grates

    ZURN Z884 Drainage Kit w/ P4-HPP-BROWN HDPE Slotted Class A Grates

    ZURN Z884 Drainage Kit w/ P4-HPP-BROWN HDPE Slotted Class A Grates

    Regular price From $316.38 USD
    Regular price Sale price From $316.38 USD
    Unit price /  per 
  • Zurn Z884 with Cast Iron Slotted Grate

    ZURN Z884 Drainage Kit w/ P4-CG Cast Iron Slotted Grate - Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-CG Cast Iron Slotted Grate - Bottom Outlet

    Regular price From $413.12 USD
    Regular price Sale price From $413.12 USD
    Unit price /  per 
  • ZURN Z884 Drainage Kit w/ P4-HPP-TEA&CREAM HDPE Slotted Grate - Vandal Proof Locks

    ZURN Z884 Drainage Kit w/ P4-HPP-TEA&CREAM HDPE Slotted Grate - Vandal Proof Locks

    ZURN Z884 Drainage Kit w/ P4-HPP-TEA&CREAM HDPE Slotted Grate - Vandal Proof Locks

    Regular price From $367.00 USD
    Regular price Sale price From $367.00 USD
    Unit price /  per 
  • ULMA M100KX Drain Channel kit w/Bronze Age™ LUNA Grate-RAW

    ULMA M100KX Drain Channel kit w/Bronze Age™ LUNA Grate-RAW

    Sale

    ULMA M100KX Drain Channel kit w/Bronze Age™ LUNA Grate-RAW

    Regular price From $426.85 USD
    Regular price $488.80 USD Sale price From $426.85 USD
    Unit price /  per 
    Sale
  • Z884-P4-PG ZURN Z884 with Galv Perf Class A

    ZURN Z884 Drainage Kit w/ P4-PG Galvanized Perforated Class A Grates

    ZURN Z884 Drainage Kit w/ P4-PG Galvanized Perforated Class A Grates

    Regular price From $364.34 USD
    Regular price Sale price From $364.34 USD
    Unit price /  per 
  • Trench Drain Systems satin bronze cathedral grates for NDS mini channel

    Bronze Age BA-CATH-0312-B Class A Cathedral Bronze Brushed Finish 3" x 12" Grate

    Bronze Age BA-CATH-0312-B Class A Cathedral Bronze Brushed Finish 3" x 12" Grate

    Regular price $152.50 USD
    Regular price Sale price $152.50 USD
    Unit price /  per 
  • MMS-SS-CATH MAX Mini kit with sand channel and stainless steel grate

    3" Sand MAX Mini Kit w/ Cathedral HP 316L Stainless Steel Grate

    3" Sand MAX Mini Kit w/ Cathedral HP 316L Stainless Steel Grate

    Regular price From $704.11 USD
    Regular price Sale price From $704.11 USD
    Unit price /  per 
  • POLY600-SS-641D-TDSdrains stainless steel edge slotted cast iron grate polymer concrete channel Polycast

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

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

    Regular price From $237.04 USD
    Regular price Sale price From $237.04 USD
    Unit price /  per 
  • U1KX-IA-QUE-HP

    ULMA U100KX Drain Channel w/ Iron Age Que Grate-RAW

    Sale

    ULMA U100KX Drain Channel w/ Iron Age Que Grate-RAW

    Regular price From $289.62 USD
    Regular price $322.52 USD Sale price From $289.62 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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