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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
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      • Pour in Place (Concrete)
      • All Channel Materials
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      • All Load Classes
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    • Popular Manufacturers
      • TDS
      • Bronze Age
      • NDS
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      • Zurn
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    • 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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      • Ductile/Cast Iron
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  • NDS629 Dura Slope Screws

    NDS-629 Screws for Dura Slope Grates

    NDS-629 Screws for Dura Slope Grates

    Regular price $57.96 USD
    Regular price Sale price $57.96 USD
    Unit price /  per 
  • NDS-Dura-662-TDSdrains green slotted grate

    NDS® DS-662 Class B ADA Compliant Slotted Polyolefin 6" x 24" Grate - GREEN

    NDS® DS-662 Class B ADA Compliant Slotted Polyolefin 6" x 24" Grate - GREEN

    Regular price $70.40 USD
    Regular price Sale price $70.40 USD
    Unit price /  per 
  • NDS-Dura-Slope-DS-661-TDSdrains gray slotted

    NDS® DS-661 Class B ADA Compliant Slotted Polyolefin 6" x 24" Grate - DARK GRAY

    NDS® DS-661 Class B ADA Compliant Slotted Polyolefin 6" x 24" Grate - DARK GRAY

    Regular price $66.70 USD
    Regular price Sale price $66.70 USD
    Unit price /  per 
  • NDS529 stainless screws mini channel

    NDS 529 Stainless Screws for Mini Channel Slotted Grates (64 PCS)

    NDS 529 Stainless Screws for Mini Channel Slotted Grates (64 PCS)

    Regular price $55.47 USD
    Regular price Sale price $55.47 USD
    Unit price /  per 
  • DA0642B POLYCAST 600 Ductile Iron Locking Device-2in Bolt-Bar-Washer-1

    TDS-POLYCAST DA0642B Hold-Down Device for 600 Series Ductile Iron Grate

    TDS-POLYCAST DA0642B Hold-Down Device for 600 Series Ductile Iron Grate

    Regular price $7.64 USD
    Regular price Sale price $7.64 USD
    Unit price /  per 
  • DG0647-PolyCast-TDSdrains stainless steel slotted class A grate

    POLYCAST DG0647 Class B Slotted Stainless Steel 6" x 48" Grate

    POLYCAST DG0647 Class B Slotted Stainless Steel 6" x 48" Grate

    Regular price $161.96 USD
    Regular price Sale price $161.96 USD
    Unit price /  per 
  • NDS829-screws

    NDS 829 Screws for Pro Series 5 and Spee-D QTY-40

    NDS 829 Screws for Pro Series 5 and Spee-D QTY-40

    Regular price $9.18 USD
    Regular price Sale price $9.18 USD
    Unit price /  per 
  • DA0642BS-locking device

    TDS-POLYCAST DA0642BS Hold-Down Device for 600 Series Stainless Steel Bar Grate

    TDS-POLYCAST DA0642BS Hold-Down Device for 600 Series Stainless Steel Bar Grate

    Regular price $29.25 USD
    Regular price Sale price $29.25 USD
    Unit price /  per 
  • SS Bar grate DG0699 Polycast

    TDS DG0669H Class D Stainless Steel Bar 6" x 24" Grate for POLYCAST®

    TDS DG0669H Class D Stainless Steel Bar 6" x 24" Grate for POLYCAST®

    Regular price $469.44 USD
    Regular price Sale price $469.44 USD
    Unit price /  per 
  • SS Bar grate DG0699 Polycast

    TDS DG0669 Class D Stainless Steel Bar 6" x 48" Grate for POLYCAST®

    TDS DG0669 Class D Stainless Steel Bar 6" x 48" Grate for POLYCAST®

    Regular price $938.27 USD
    Regular price Sale price $938.27 USD
    Unit price /  per 
  • SS600 stainless steel channel with DG0669 bar grate

    SS600 Stainless Steel Drain Kit w/ DG0669 Stainless Steel Bar Grate | Class D

    SS600 Stainless Steel Drain Kit w/ DG0669 Stainless Steel Bar Grate | Class D

    Regular price From $2,208.64 USD
    Regular price Sale price From $2,208.64 USD
    Unit price /  per 
  • SS600 Stainless Steel Drain Kit w/ DG0675HD Transverse Slotted Ductile Iron Grate | Class D

    SS600 Stainless Steel Drain Kit w/ DG0675HD Transverse Slotted Ductile Iron Grate | Class D

    SS600 Stainless Steel Drain Kit w/ DG0675HD Transverse Slotted Ductile Iron Grate | Class D

    Regular price From $1,370.37 USD
    Regular price Sale price From $1,370.37 USD
    Unit price /  per 
  • SS600 stainless steel channel with DG0641D slotted cast iron grate

    SS600 Stainless Steel Drain Kit w/ DG0641D Slotted Ductile Iron Grate | Class D

    SS600 Stainless Steel Drain Kit w/ DG0641D Slotted Ductile Iron Grate | Class D

    Regular price From $1,359.84 USD
    Regular price Sale price From $1,359.84 USD
    Unit price /  per 
  • Dura-DecoSlotted-Grate-TDSdrains dura slope deco cast iron grate

    NDS® DS-604 Class D Brick Ductile Iron 6" x 24" Grate - RAW

    NDS® DS-604 Class D Brick Ductile Iron 6" x 24" Grate - RAW

    Regular price $127.08 USD
    Regular price Sale price $127.08 USD
    Unit price /  per 
  • SS600 WITH DG0631 STAINLESS SLOTTED GRATE

    SS600 Stainless Steel Drain Kit w/ DG0631 Slotted 304 Stainless Steel Grate | Class A

    SS600 Stainless Steel Drain Kit w/ DG0631 Slotted 304 Stainless Steel Grate | Class A

    Regular price From $1,618.27 USD
    Regular price Sale price From $1,618.27 USD
    Unit price /  per 
  • DG0644-Polycast-fiberglass-bar-grate-TDSdrains

    POLYCAST FG0644H Class B Spacing 5/8" Fiberglass BAR 6" x 24" Grate

    POLYCAST FG0644H Class B Spacing 5/8" Fiberglass BAR 6" x 24" Grate

    Regular price $108.75 USD
    Regular price Sale price $108.75 USD
    Unit price /  per 
  • SS0642B_TDS

    TDS SS0642B Hold-Down Device for SS600 Ductile Iron & Stainless Steel Bar Grates

    TDS SS0642B Hold-Down Device for SS600 Ductile Iron & Stainless Steel Bar Grates

    Regular price $18.15 USD
    Regular price Sale price $18.15 USD
    Unit price /  per 
  • SS600-DG0657R Reinforced with Perforated Stainless Steel Grate

    SS600 Stainless Steel Drain Kit w/ DG0657R Perforated Stainless Steel Grate | Class C

    SS600 Stainless Steel Drain Kit w/ DG0657R Perforated Stainless Steel Grate | Class C

    Regular price From $1,754.45 USD
    Regular price Sale price From $1,754.45 USD
    Unit price /  per 
  • SS0642F_TDS

    TDS SS0642F Hold-Down Device for SS600 Fiberglass Grates

    TDS SS0642F Hold-Down Device for SS600 Fiberglass Grates

    Regular price $29.73 USD
    Regular price Sale price $29.73 USD
    Unit price /  per 
  • SS600 STAINLESS CHANNEL WITH STAINLESS CATHEDRAL GRATE

    SS600 Stainless Steel Drain Kit w/ DG0630 CATHEDRAL 304 Stainless Grate | Class A

    SS600 Stainless Steel Drain Kit w/ DG0630 CATHEDRAL 304 Stainless Grate | Class A

    Regular price From $1,650.61 USD
    Regular price Sale price From $1,650.61 USD
    Unit price /  per 
  • DG0647-PolyCast-TDSdrains stainless steel slotted class A grate

    POLYCAST DG0647H Class A Slotted Stainless Steel 6" x 24" Grate

    POLYCAST DG0647H Class A Slotted Stainless Steel 6" x 24" Grate

    Regular price $168.67 USD
    Regular price Sale price $168.67 USD
    Unit price /  per 
  • SS600 stainless steel channel with DG0647R reinforced stainless steel slotted grate

    SS600 Stainless Steel Drain Kit w/ DG0647R Slotted Stainless Steel Grate | Class C

    SS600 Stainless Steel Drain Kit w/ DG0647R Slotted Stainless Steel Grate | Class C

    Regular price From $1,641.77 USD
    Regular price Sale price From $1,641.77 USD
    Unit price /  per 
  • New Image Coming Soon

    TDS SS0642S Hold-Down Device for 600 Series Stainless Steel Grates

    TDS SS0642S Hold-Down Device for 600 Series Stainless Steel Grates

    Regular price $18.01 USD
    Regular price Sale price $18.01 USD
    Unit price /  per 
  • Polycast DA0642SH Locking Device for 700 Series

    TDS-POLYCAST DA0642SH Hold-Down Device for 700 Series Stainless Steel and HDPE Grates

    TDS-POLYCAST DA0642SH Hold-Down Device for 700 Series Stainless Steel and HDPE Grates

    Regular price $50.69 USD
    Regular price Sale price $50.69 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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