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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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      • TDS
      • Bronze Age
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      • 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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  • NDS 229 Stainless Steel Screws

    NDS 229 Stainless Screws for Spee-D® Channel Slotted Grates (48 PCS)

    NDS 229 Stainless Screws for Spee-D® Channel Slotted Grates (48 PCS)

    Regular price $39.28 USD
    Regular price Sale price $39.28 USD
    Unit price /  per 
  • POLY600-GS-646

    POLYCAST® 600 Series Kit w/ DG0646 Perforated Galvanized Steel Grate & Edge

    POLYCAST® 600 Series Kit w/ DG0646 Perforated Galvanized Steel Grate & Edge

    Regular price From $233.41 USD
    Regular price Sale price From $233.41 USD
    Unit price /  per 
  • NDS888-ductile-iron-slot-grate

    NDS 888 Class C Slotted Ductile Iron Grate 8" x 20" (Nominal Dimensions)

    NDS 888 Class C Slotted Ductile Iron Grate 8" x 20" (Nominal Dimensions)

    Regular price $245.10 USD
    Regular price Sale price $245.10 USD
    Unit price /  per 
  • TP0650S-GS-622 Catch Basin w/ DG0622 galvanized Foam perforated grate and edging

    TP0650S (Shallow) Catch Basin Kit w/ DG0622H & Galvanized Edge for POLYCAST®

    TP0650S (Shallow) Catch Basin Kit w/ DG0622H & Galvanized Edge for POLYCAST®

    Regular price $400.35 USD
    Regular price Sale price $400.35 USD
    Unit price /  per 
  • POLY700-PE-646R

    POLYCAST®700 Kit w/DG0646R Reinforced Perforated Galvanized Grate-HDPE Frame

    POLYCAST®700 Kit w/DG0646R Reinforced Perforated Galvanized Grate-HDPE Frame

    Regular price From $377.11 USD
    Regular price Sale price From $377.11 USD
    Unit price /  per 
  • TDS-6269 cast iron ADA heavy duty grate

    US Foundry 6269 Heavy Duty ADA Compliant Slotted C35B Gray Iron 14" x 24" x 1.5" Grate

    US Foundry 6269 Heavy Duty ADA Compliant Slotted C35B Gray Iron 14" x 24" x 1.5" Grate

    Regular price $255.20 USD
    Regular price Sale price $255.20 USD
    Unit price /  per 
  • POLYCAST 600 Galvanized Edge Inline Catch Basin with Galvanized Steel Foam Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0622H Galvanized Foam Grate & Edge

    POLYCAST® DP0650 Inline Catch Basin w/DG0622H Galvanized Foam Grate & Edge

    Regular price $486.38 USD
    Regular price Sale price $486.38 USD
    Unit price /  per 
  • NDS Mini Channel with Brushed Bronze Slotted Grate MCK-BA-SLOT-B

    NDS 3" Gray Mini Channel Kit with TDS Bronze Age Slotted Grate - Brushed

    NDS 3" Gray Mini Channel Kit with TDS Bronze Age Slotted Grate - Brushed

    Regular price From $514.94 USD
    Regular price Sale price From $514.94 USD
    Unit price /  per 
  • POLY600-GS-692-TDSdrains cast iron patriot grate galv steel edge polymer concrete channel Polycast

    POLYCAST® 600 Series Kit w/ DG0692 Patriot Ductile Iron Grate & Galvanized Edging

    POLYCAST® 600 Series Kit w/ DG0692 Patriot Ductile Iron Grate & Galvanized Edging

    Regular price From $289.28 USD
    Regular price Sale price From $289.28 USD
    Unit price /  per 
  • POLYCAST 500 Kit w/ Galvanized Edging and DG0620 Cathedral Grate | Class A

    POLYCAST 500 Kit w/ Galvanized Edging and DG0620 Cathedral Grate | Class A

    POLYCAST 500 Kit w/ Galvanized Edging and DG0620 Cathedral Grate | Class A

    Regular price From $369.65 USD
    Regular price Sale price From $369.65 USD
    Unit price /  per 
  • ULMA Hydro Mini Plus with 406 Heelproof Galvanized Mesh Grate load class B

    ULMA HYDROPLUS Mini with Galvanized Mesh Heelproof Grate (406 / GEHX100KCB) Class B

    Sale

    ULMA HYDROPLUS Mini with Galvanized Mesh Heelproof Grate (406 / GEHX100KCB) Class B

    Regular price From $164.11 USD
    Regular price $204.14 USD Sale price From $164.11 USD
    Unit price /  per 
    Sale
  • POLY700-PE-646R

    POLYCAST®700 Vinyl Ester Kit w/DG0646R Reinforced Perforated Galvanized Grate-HDPE Frame

    POLYCAST®700 Vinyl Ester Kit w/DG0646R Reinforced Perforated Galvanized Grate-HDPE Frame

    Regular price From $971.21 USD
    Regular price Sale price From $971.21 USD
    Unit price /  per 
  • TP0650S - DG0692-GE Catch Basin w/ Patriot Grate and Galvanized Edging

    TV0650S (Shallow) Catch Basin Kit w/ DG0692 & Galvanized Edge for POLYCAST®

    TV0650S (Shallow) Catch Basin Kit w/ DG0692 & Galvanized Edge for POLYCAST®

    Regular price $566.90 USD
    Regular price Sale price $566.90 USD
    Unit price /  per 
  • MCKS-BA-SLOT-D NDS Mini Channel in Sand with TDS Bronze Age Slot in Ductile Iron

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Slotted Grate - Ductile Iron

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Slotted Grate - Ductile Iron

    Regular price From $183.32 USD
    Regular price Sale price From $183.32 USD
    Unit price /  per 
  • FFK-1700 TDS Trench Era FF Series Multichannel System with USF 6455 17" Cast Iron Grate

    Trench Era FF Series Drain System w/USF 6455 17" Wide Grate - Galvanized Frame

    Trench Era FF Series Drain System w/USF 6455 17" Wide Grate - Galvanized Frame

    Request quote
  • DG0675-polycast-duraguard-longit-slotted-grate-TDSdrains

    POLYCAST® DG0675 Transverse Slotted HDPE 6"x24" (Nominal) Grate - BLACK-Class A

    POLYCAST® DG0675 Transverse Slotted HDPE 6"x24" (Nominal) Grate - BLACK-Class A

    Regular price $50.33 USD
    Regular price Sale price $50.33 USD
    Unit price /  per 
  • DS-609-BF NDS Cast Iron Grate BoOF - Slotted

    NDS DS-609-BF Class C Deco Slot Cast Iron 6" x 24" Grate - BoOF

    NDS DS-609-BF Class C Deco Slot Cast Iron 6" x 24" Grate - BoOF

    Regular price $154.68 USD
    Regular price Sale price $154.68 USD
    Unit price /  per 
  • Polycast-DG0657 perforated grate

    POLYCAST DG0657 ADA Perforated Stainless Steel 6" x 48" (Nominal) Grate Class B

    POLYCAST DG0657 ADA Perforated Stainless Steel 6" x 48" (Nominal) Grate Class B

    Regular price $183.50 USD
    Regular price Sale price $183.50 USD
    Unit price /  per 
  • POLYCAST 600 with Galvanized DG0620 Cathedral Grate

    POLYCAST® 600 Series Kit w/ DG0620 Cathedral Galvanized Steel Grate | Load Class A

    POLYCAST® 600 Series Kit w/ DG0620 Cathedral Galvanized Steel Grate | Load Class A

    Regular price From $256.02 USD
    Regular price Sale price From $256.02 USD
    Unit price /  per 
  • ZURN P12-DGE_Ductile Iron Grate_Class E

    Zurn P12-DGE H-20 Class E Slotted Ductile Iron 12" x 24" Grate

    Zurn P12-DGE H-20 Class E Slotted Ductile Iron 12" x 24" Grate

    Regular price $405.60 USD
    Regular price Sale price $405.60 USD
    Unit price /  per 
  • Zurn P6-HPP-WHITE Class A Linear Slotted HDPE 6" x 20" Grate

    Zurn P6-HPP-WHITE Class A Linear Slotted HDPE 6" x 20" Grate

    Zurn P6-HPP-WHITE Class A Linear Slotted HDPE 6" x 20" Grate

    Regular price $108.00 USD
    Regular price Sale price $108.00 USD
    Unit price /  per 
  • NDS-Slim Channel Kit with TDS Bronze Age Brushed Bronze Slotted Grate BA-SLOT-0212-B

    NDS® Slim Channel Kit w/BA-SLOT TDS Bronze Slotted Grate - Brushed Finish

    NDS® Slim Channel Kit w/BA-SLOT TDS Bronze Slotted Grate - Brushed Finish

    Regular price From $1,070.38 USD
    Regular price Sale price From $1,070.38 USD
    Unit price /  per 
  • Polycast 600 Inline Catch Basin with Galvanized Steel Square Deco Grates

    POLYCAST® DP0650 Inline Catch Basin w/DG0623H Galvanized Square Deco Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0623H Galvanized Square Deco Grate

    Regular price $426.41 USD
    Regular price Sale price $426.41 USD
    Unit price /  per 
  • NDS Slim Channel Kit with Gray Slotted Grate

    NDS Slim Channel Kit with NDS 9243 Slotted Grate - GRAY

    NDS Slim Channel Kit with NDS 9243 Slotted Grate - GRAY

    Regular price From $81.06 USD
    Regular price Sale price From $81.06 USD
    Unit price /  per 
  • RG-151224-AB

    RG-151424-AB Heavy Duty Ductile Iron Slotted 14" x 24" x 1.5" Grate | TDS

    RG-151424-AB Heavy Duty Ductile Iron Slotted 14" x 24" x 1.5" Grate | TDS

    Regular price $257.04 USD
    Regular price Sale price $257.04 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 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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