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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
      • Plastic
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      • Pour in Place (Concrete)
      • All Channel Materials
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      • Dura Slope
      • FP1200
      • Mini Channel
      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
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  • DA0542FH Side

    TDS-POLYCAST DA0542FH Hold-Down Device for 500 Series Fiberglass Grates

    TDS-POLYCAST DA0542FH Hold-Down Device for 500 Series Fiberglass Grates

    Regular price $30.88 USD
    Regular price Sale price $30.88 USD
    Unit price /  per 
  • DA0542S Locking Device

    TDS-POLYCAST DA0542S Hold-Down Device for 500 Series Stainless Steel and HDPE Grates

    TDS-POLYCAST DA0542S Hold-Down Device for 500 Series Stainless Steel and HDPE Grates

    Regular price $7.08 USD
    Regular price Sale price $7.08 USD
    Unit price /  per 
  • DA0942-locking device

    POLYCAST DA0942 Hold-Down Device for 900 Series

    POLYCAST DA0942 Hold-Down Device for 900 Series

    Regular price $7.37 USD
    Regular price Sale price $7.37 USD
    Unit price /  per 
  • DA0542 Locking Device

    TDS-POLYCAST DA0542 Hold-Down Device for 500 Series Galvanized Steel Grates

    TDS-POLYCAST DA0542 Hold-Down Device for 500 Series Galvanized Steel Grates

    Regular price $7.08 USD
    Regular price Sale price $7.08 USD
    Unit price /  per 
  • DA0542H Side

    TDS-POLYCAST DA0542H Hold-Down Device for 500 Series Galvanized Grates

    TDS-POLYCAST DA0542H Hold-Down Device for 500 Series Galvanized Grates

    Regular price $18.30 USD
    Regular price Sale price $18.30 USD
    Unit price /  per 
  • TDS-POLYCAST DA0642H Locking Device for 700 series Galvanized Grates

    TDS-POLYCAST DA0642H Locking Device for 700 series Galvanized Grates

    TDS-POLYCAST DA0642H Locking Device for 700 series Galvanized Grates

    Regular price $6.71 USD
    Regular price Sale price $6.71 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 $5.90 USD
    Regular price Sale price $5.90 USD
    Unit price /  per 
  • DA0542SH Side

    TDS-POLYCAST DA0542SH Hold-Down Device for 500 Series Stainless Steel and HDPE Grates

    TDS-POLYCAST DA0542SH Hold-Down Device for 500 Series Stainless Steel and HDPE Grates

    Regular price $7.08 USD
    Regular price Sale price $7.08 USD
    Unit price /  per 
  • DA0542B Locking Device

    TDS-POLYCAST DA0542B Hold-Down Device for 500 Series Ductile Iron Grates

    TDS-POLYCAST DA0542B Hold-Down Device for 500 Series Ductile Iron Grates

    Regular price $7.08 USD
    Regular price Sale price $7.08 USD
    Unit price /  per 
  • DA0542F

    TDS-POLYCAST DA0542F Hold-Down Device for 500 Series Fiberglass Grates

    TDS-POLYCAST DA0542F Hold-Down Device for 500 Series Fiberglass Grates

    Regular price $30.88 USD
    Regular price Sale price $30.88 USD
    Unit price /  per 
  • DA0542BH Side

    TDS-POLYCAST DA0542BH Hold-Down Device for 500 Series Ductile Iron Grates

    TDS-POLYCAST DA0542BH Hold-Down Device for 500 Series Ductile Iron Grates

    Regular price $7.08 USD
    Regular price Sale price $7.08 USD
    Unit price /  per 
  • DG0655R_SS_Wedge_Wire_ClassD

    TDS DG0655R ADA Compliant Reinforced Wedge Wire Stainless Steel 6" x 48" Grate

    TDS DG0655R ADA Compliant Reinforced Wedge Wire Stainless Steel 6" x 48" Grate

    Regular price $420.00 USD
    Regular price Sale price $420.00 USD
    Unit price /  per 
  • DG0655_SS_Wedge Wire_ClassB

    TDS DG0655H Class B ADA Compliant Wedge Wire Stainless Steel 6" x 24" Grate

    TDS DG0655H Class B ADA Compliant Wedge Wire Stainless Steel 6" x 24" Grate

    Regular price $252.46 USD
    Regular price Sale price $252.46 USD
    Unit price /  per 
  • TDS 3000 grate locking device

    TDS DA3042B Hold-Down for 3000 Series Ductile Iron and Galvanized Bar Grate

    TDS DA3042B Hold-Down for 3000 Series Ductile Iron and Galvanized Bar Grate

    Regular price $10.80 USD
    Regular price Sale price $10.80 USD
    Unit price /  per 
  • DG0655R_SS_Wedge_Wire_ClassD

    TDS DG0655RH Class C ADA Compliant Reinforced Wedge Wire Stainless Steel 6" x 24" Grate

    TDS DG0655RH Class C ADA Compliant Reinforced Wedge Wire Stainless Steel 6" x 24" Grate

    Regular price $345.00 USD
    Regular price Sale price $345.00 USD
    Unit price /  per 
  • DA3042F locking devices grate hold down

    TDS DA3042F Hold-Down for 3000 Series Fiberglass I-BAR Grate

    TDS DA3042F Hold-Down for 3000 Series Fiberglass I-BAR Grate

    Regular price $39.65 USD
    Regular price Sale price $39.65 USD
    Unit price /  per 
  • FP1200-FG1242 Slotted Ductile Iron Grate - Class E

    TDS DG1242 Class E Slotted Ductile Iron 14" x 24" x 1.5" Grate

    TDS DG1242 Class E Slotted Ductile Iron 14" x 24" x 1.5" Grate

    Regular price $267.09 USD
    Regular price Sale price $267.09 USD
    Unit price /  per 
  • FG1275 Ductile Iron ADA Grate

    TDS DG1275 Class E Transverse Slotted Ductile Iron 14" x 24" x 1.5" Grate

    TDS DG1275 Class E Transverse Slotted Ductile Iron 14" x 24" x 1.5" Grate

    Regular price $287.01 USD
    Regular price Sale price $287.01 USD
    Unit price /  per 
  • 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 
  • FP1200-FG1241-TDS-1 FP Series ductile iron grate heavy duty

    TDS DG1241 Class C Slotted Ductile Iron 14" x 24" x 1.5"Grate

    TDS DG1241 Class C Slotted Ductile Iron 14" x 24" x 1.5"Grate

    Regular price $240.99 USD
    Regular price Sale price $240.99 USD
    Unit price /  per 
  • FG1248R Galvanized Steel Bar Grate for FP1200

    TDS DG1248R Class C Galvanized Steel 14" x 24" x 1.5" Grate

    TDS DG1248R Class C Galvanized Steel 14" x 24" x 1.5" Grate

    Regular price $556.14 USD
    Regular price Sale price $556.14 USD
    Unit price /  per 
  • FP1200-FG1246-1-Ductile-Iron-Grate-Class-F

    TDS DG1246 Class F Slotted Ductile Iron 14" x 24" x 1.5" Grate

    TDS DG1246 Class F Slotted Ductile Iron 14" x 24" x 1.5" Grate

    Regular price $291.30 USD
    Regular price Sale price $291.30 USD
    Unit price /  per 
  • TDS 3000 locking device DA3042S

    TDS DA3042S Hold-Down for 3000 Series Stainless Bar Grate

    TDS DA3042S Hold-Down for 3000 Series Stainless Bar Grate

    Regular price $33.12 USD
    Regular price Sale price $33.12 USD
    Unit price /  per 
  • FG1247R Stainless Steel Bar Grate for FP1200

    TDS DG1247R Class C BAR Stainless Steel 14" x 24" x 1.5" Grate

    TDS DG1247R Class C BAR Stainless Steel 14" x 24" x 1.5" Grate

    Regular price $1,575.45 USD
    Regular price Sale price $1,575.45 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 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
  • 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
  • LD100X-2 Locking Device for ULMA Grates

    LD100X-2 Locking Device for ULMA Grates

    $12.96 $10.08
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