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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 Channel Materials
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      • FP1200
      • Mini Channel
      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
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  • DG0646 Galvanized Steel perforated grates for POLYCAST

    POLYCAST DG0646H Class A ADA Compliant Perforated Galvanized Steel 6" x 24" Grate

    POLYCAST DG0646H Class A ADA Compliant Perforated Galvanized Steel 6" x 24" Grate

    Regular price $49.48 USD
    Regular price Sale price $49.48 USD
    Unit price /  per 
  • aluminum grates

    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

    Regular price $80.36 USD
    Regular price Sale price $80.36 USD
    Unit price /  per 
  • DG0645 Galvanized Steel Solid Cover for POLYCAST

    POLYCAST DG0645 ADA Compliant Galvanized Steel Solid 6" x 48" Cover Class A

    POLYCAST DG0645 ADA Compliant Galvanized Steel Solid 6" x 48" Cover Class A

    Regular price $70.69 USD
    Regular price Sale price $70.69 USD
    Unit price /  per 
  • DG0620 Cathedral Galvanized Steel POLYCAST and SS600

    Bronze Age DG0620H CATH Galvanized Steel 5.25" x 24" (Nominal) Grate | Class A

    Bronze Age DG0620H CATH Galvanized Steel 5.25" x 24" (Nominal) Grate | Class A

    Regular price $111.34 USD
    Regular price Sale price $111.34 USD
    Unit price /  per 
  • Spee-D BA Foam Galvanized Grate

    Bronze Age TDS-FOAM-0448 Galvanized Steel 4.09" x 48" (Nominal) Grate

    Bronze Age TDS-FOAM-0448 Galvanized Steel 4.09" x 48" (Nominal) Grate

    Regular price $125.40 USD
    Regular price Sale price $125.40 USD
    Unit price /  per 
  • UNV100KC ULMA Closed End Cap

    UNV100KC / TUNIU100KGC Universal Galvanized Steel End Cap ULMA100K

    UNV100KC / TUNIU100KGC Universal Galvanized Steel End Cap ULMA100K

    Regular price $30.28 USD
    Regular price Sale price $30.28 USD
    Unit price /  per 
  • ABT 2412 Reinforced Galvanized Steel Perforated Grate

    ABT 2412 Reinforced Galvanized Steel Perforated Grate

    ABT 2412 Reinforced Galvanized Steel Perforated Grate

    Regular price $117.23 USD
    Regular price Sale price $117.23 USD
    Unit price /  per 
  • DG0646 Galvanized Steel perforated grates for POLYCAST

    POLYCAST DG0646 Class A ADA Compliant Perforated Galvanized Steel 6" x 48" Grate

    POLYCAST DG0646 Class A ADA Compliant Perforated Galvanized Steel 6" x 48" Grate

    Regular price $93.31 USD
    Regular price Sale price $93.31 USD
    Unit price /  per 
  • aluminum grates

    ULMA 425 / GN100KCCM Class C Slotted Reinforced Galvanized Steel 122mm x 500mm Grate

    ULMA 425 / GN100KCCM Class C Slotted Reinforced Galvanized Steel 122mm x 500mm Grate

    Regular price $51.16 USD
    Regular price Sale price $51.16 USD
    Unit price /  per 
  • DA6020A-Galvanized Edge POLYCAST

    POLYCAST DA0620AH Channel/Edge Protectors Galvanized Steel 24" (Set of 2)

    POLYCAST DA0620AH Channel/Edge Protectors Galvanized Steel 24" (Set of 2)

    Regular price $62.42 USD
    Regular price Sale price $62.42 USD
    Unit price /  per 
  • DG0623 Square Deco Galvanized Steel POLYCAST and SS600

    Bronze Age™ DG0623H DECO Galvanized Steel 5.19" x 24" Grate

    Bronze Age™ DG0623H DECO Galvanized Steel 5.19" x 24" Grate

    Regular price $55.70 USD
    Regular price Sale price $55.70 USD
    Unit price /  per 
  • DG0623 Square Deco Galvanized Steel POLYCAST and SS600

    Bronze Age™ DG0623 DECO Galvanized Steel 5.19" x 48" Grate | Class A

    Bronze Age™ DG0623 DECO Galvanized Steel 5.19" x 48" Grate | Class A

    Regular price $119.53 USD
    Regular price Sale price $119.53 USD
    Unit price /  per 
  • TDS-SS600-DG0622 FOAM Galvanized

    Bronze Age™ DG0622 Foam Perforated Galvanized Steel 5.19"x48" Grate

    Bronze Age™ DG0622 Foam Perforated Galvanized Steel 5.19"x48" Grate

    Regular price $114.96 USD
    Regular price Sale price $114.96 USD
    Unit price /  per 
  • Zurn P6-RPGC Reinforced Galvanized Perforated Grate

    ZURN P6-RPGC Reinforced Perforated Galvanized Steel Class C Grate

    ZURN P6-RPGC Reinforced Perforated Galvanized Steel Class C Grate

    Regular price $200.80 USD
    Regular price Sale price $200.80 USD
    Unit price /  per 
  • DA6020A-Galvanized Edge POLYCAST

    TDS-POLYCAST DA0620A Channel/Edge Protectors Galvanized Steel

    TDS-POLYCAST DA0620A Channel/Edge Protectors Galvanized Steel

    Regular price $62.42 USD
    Regular price Sale price $62.42 USD
    Unit price /  per 
  • TDS-SS600-DG0622 FOAM Galvanized

    Bronze Age™ DG0622H Foam Perforated Galvanized Steel 5.19" x 24" Grate

    Bronze Age™ DG0622H Foam Perforated Galvanized Steel 5.19" x 24" Grate

    Regular price $65.88 USD
    Regular price Sale price $65.88 USD
    Unit price /  per 
  • NDS 824 Galvanized Slotted Grate-ProSeries

    NDS 824 Class B ADA Compliant Slotted Galvanized Slotted 5" x 20" Grate

    NDS 824 Class B ADA Compliant Slotted Galvanized Slotted 5" x 20" Grate

    Regular price $54.13 USD
    Regular price Sale price $54.13 USD
    Unit price /  per 
  • DG04640R

    POLYCAST DG0640R Class C Slotted Reinforced Galvanized Steel 6" x 48" Grate

    POLYCAST DG0640R Class C Slotted Reinforced Galvanized Steel 6" x 48" Grate

    Regular price $312.25 USD
    Regular price Sale price $312.25 USD
    Unit price /  per 
  • DG0640 POLYCAST Galvanized Slotted Grate

    POLYCAST DG0640H Class A Slotted Galvanized 6" x 24" Grate | Load Class B

    POLYCAST DG0640H Class A Slotted Galvanized 6" x 24" Grate | Load Class B

    Regular price $42.28 USD
    Regular price Sale price $42.28 USD
    Unit price /  per 
  • DG04640R

    POLYCAST DG0640RH Class C Slotted Reinforced Galvanized Steel 6" x 24" Grate

    POLYCAST DG0640RH Class C Slotted Reinforced Galvanized Steel 6" x 24" Grate

    Regular price $185.07 USD
    Regular price Sale price $185.07 USD
    Unit price /  per 
  • Zurn P6-RFSC

    Zurn P6-FG-20 Class A ADA Compliant Slotted Heel-Proof Galvanized Steel 6" x 20" Grate

    Zurn P6-FG-20 Class A ADA Compliant Slotted Heel-Proof Galvanized Steel 6" x 20" Grate

    Regular price $85.60 USD
    Regular price Sale price $85.60 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 
  • DG0620 Cathedral Galvanized Steel POLYCAST and SS600

    Bronze Age™ DG0620 CATH Galvanized Steel 5.25" x 48" Grate

    Bronze Age™ DG0620 CATH Galvanized Steel 5.25" x 48" Grate

    Regular price $95.99 USD
    Regular price Sale price $95.99 USD
    Unit price /  per 
  • Spee-D BA Transverse Slotted Galvanized Grate

    Bronze Age TDS-SLOT-0448 Galvanized Steel 4.09" x 48" (Nominal) Grate

    Bronze Age TDS-SLOT-0448 Galvanized Steel 4.09" x 48" (Nominal) Grate

    Regular price $125.40 USD
    Regular price Sale price $125.40 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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