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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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      • Load Class A
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      • All Load Classes
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    • Popular Manufacturers
      • TDS
      • Bronze Age
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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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  • TDS-mini-channel-bronze-raindrop-brushedSatin

    Bronze Age BA-RAIN-0312-B Class A Rain Drop Bronze Brushed Finish 3" x 12" Grate

    Bronze Age BA-RAIN-0312-B Class A Rain Drop Bronze Brushed Finish 3" x 12" Grate

    Regular price $152.50 USD
    Regular price Sale price $152.50 USD
    Unit price /  per 
  • New Image Coming Soon

    NDS® Dura Slope In-Line Catch Basin with DS-665 HDPE Slotted Grate Brick Red

    NDS® Dura Slope In-Line Catch Basin with DS-665 HDPE Slotted Grate Brick Red

    Regular price From $615.63 USD
    Regular price Sale price From $615.63 USD
    Unit price /  per 
  • ULMA M100KX stainless steel edged polymer concrete channel with 440 stainless perforated grate

    ULMA M100KX Kit with 440 / IP100KCA Stainless Steel Perforated Grate

    Sale

    ULMA M100KX Kit with 440 / IP100KCA Stainless Steel Perforated Grate

    Regular price From $353.46 USD
    Regular price $444.45 USD Sale price From $353.46 USD
    Unit price /  per 
    Sale
  • DS-602-BF NDS Cast Iron Grate BoOF - Diamond

    NDS DS-602-BF Class C Diamond Ductile Iron 6" x 24" Grate - BoOF

    NDS DS-602-BF Class C Diamond Ductile Iron 6" x 24" Grate - BoOF

    Regular price $154.68 USD
    Regular price Sale price $154.68 USD
    Unit price /  per 
  • NDS1213 12" Catch basin Grate in Slotted Cast Iron

    NDS 1213 Class C Slotted Cast Iron 12" x 12" Grate

    NDS 1213 Class C Slotted Cast Iron 12" x 12" Grate

    Regular price $218.04 USD
    Regular price Sale price $218.04 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 $1,372.43 USD
    Regular price Sale price From $1,372.43 USD
    Unit price /  per 
  • POLY600-GS-640R

    POLYCAST®600 Series Kit w/DG0640R Slotted Galvanized Grate and Edging

    POLYCAST®600 Series Kit w/DG0640R Slotted Galvanized Grate and Edging

    Regular price From $392.13 USD
    Regular price Sale price From $392.13 USD
    Unit price /  per 
  • NDS Dura Slope Inline Catch Basin with DS-601-BF Grate

    NDS® Dura Slope In-Line Catch Basin with DS-601 Cast Iron Weave Grate BoOF

    NDS® Dura Slope In-Line Catch Basin with DS-601 Cast Iron Weave Grate BoOF

    Regular price From $699.91 USD
    Regular price Sale price From $699.91 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
  • POLYCAST 400 w/DG0442

    POLYCAST®400 Series Kit w/DG0442 5"x48" Slotted Galvanized Grate

    POLYCAST®400 Series Kit w/DG0442 5"x48" Slotted Galvanized Grate

    Regular price From $265.11 USD
    Regular price Sale price From $265.11 USD
    Unit price /  per 
  • TDS 461D Universal Ductile Iron Grate

    TDS 461D Class E Slotted Ductile Iron 122mm x 500mm Grate

    TDS 461D Class E Slotted Ductile Iron 122mm x 500mm Grate

    Regular price $39.31 USD
    Regular price Sale price $39.31 USD
    Unit price /  per 
  • NDS861-90-deg pro series 5

    NDS 861 Pro Series 5 - 90 Degree Elbow

    NDS 861 Pro Series 5 - 90 Degree Elbow

    Regular price $116.41 USD
    Regular price Sale price $116.41 USD
    Unit price /  per 
  • BA-TAR-0312-BF TDS Bronze Age Tardis grate in BoOF

    TDS® 3" Sand Max Mini w/ Bronze Age™ Tardis Grate - BoOF & Oil Rubbed Bronze Edge

    TDS® 3" Sand Max Mini w/ Bronze Age™ Tardis Grate - BoOF & Oil Rubbed Bronze Edge

    Regular price From $716.46 USD
    Regular price Sale price From $716.46 USD
    Unit price /  per 
  • ZURN Z884 Drainage Kit w/ P4-HPP-GREEN HDPE Grate - Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-GREEN HDPE Grate - Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-GREEN HDPE Grate - Bottom Outlet

    Regular price From $349.18 USD
    Regular price Sale price From $349.18 USD
    Unit price /  per 
  • MMG-SS-SLOT MAX Mini kit with gray channel and stainless steel grate

    TDS™ 3" Gray MAX Mini w/Slotted HP 316L Stainless Steel Grate & Stainless Steel Edge

    TDS™ 3" Gray MAX Mini w/Slotted HP 316L Stainless Steel Grate & Stainless Steel Edge

    Regular price From $704.11 USD
    Regular price Sale price From $704.11 USD
    Unit price /  per 
  • ZURN P886-FG Galvanized Slotted Grates

    Zurn Z886 Drainage Kit w/ P6-FG Galvanized Slotted Grate - Class A

    Zurn Z886 Drainage Kit w/ P6-FG Galvanized Slotted Grate - Class A

    Regular price From $957.55 USD
    Regular price Sale price From $957.55 USD
    Unit price /  per 
  • Hydro Plus with 402 Galvanized Mesh Class B

    ULMA HYDROPLUS with 402 / GEX100KCB Galvanized Mesh Grate Class B

    Sale

    ULMA HYDROPLUS with 402 / GEX100KCB Galvanized Mesh Grate Class B

    Regular price From $163.53 USD
    Regular price $207.63 USD Sale price From $163.53 USD
    Unit price /  per 
    Sale
  • POLYCAST 500 Kit w/ Galvanized Edging and DG0623 Square Deco Perforated Grate | Class A

    POLYCAST 500 Kit w/ Galvanized Edging and DG0623 Square Deco Perforated Grate | Class A

    POLYCAST 500 Kit w/ Galvanized Edging and DG0623 Square Deco Perforated Grate | Class A

    Regular price From $394.00 USD
    Regular price Sale price From $394.00 USD
    Unit price /  per 
  • PCK5-DG0621 Slot

    POLYCAST 500 Kit w/ DG0621 Galvanized Slotted Grate | Class A

    POLYCAST 500 Kit w/ DG0621 Galvanized Slotted Grate | Class A

    Regular price From $301.88 USD
    Regular price Sale price From $301.88 USD
    Unit price /  per 
  • PCK6-DG0622-GE Galvanized Foam Perforated with Edging

    POLYCAST® 600 Series Kit w/DG0622 Perforated Galvanized Grate w/ Edging | Load Class A

    POLYCAST® 600 Series Kit w/DG0622 Perforated Galvanized Grate w/ Edging | Load Class A

    Regular price From $269.08 USD
    Regular price Sale price From $269.08 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 $1,452.34 USD
    Regular price Sale price From $1,452.34 USD
    Unit price /  per 
  • Dura-Diamond-Grate-TDSdrains dura slope deco cast iron grate

    NDS DS-602 Class C Diamond Ductile Iron 6" x 24" Grate - RAW

    NDS DS-602 Class C Diamond Ductile Iron 6" x 24" Grate - RAW

    Regular price $127.08 USD
    Regular price Sale price $127.08 USD
    Unit price /  per 
  • POLYCAST 600 with DG0630 Stainless steel Cathedral Grate

    POLYCAST 600 Series Kit w/ DG0630 Cathedral Stainless Steel Grate | Load Class A

    POLYCAST 600 Series Kit w/ DG0630 Cathedral Stainless Steel Grate | Load Class A

    Regular price From $283.07 USD
    Regular price Sale price From $283.07 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST 500 Series Kit w/ DG0646R Reinforced Perforated Galvanized Grate- HDPE Frame

    POLYCAST 500 Series Kit w/ DG0646R Reinforced Perforated Galvanized Grate- HDPE Frame

    Regular price From $779.52 USD
    Regular price Sale price From $779.52 USD
    Unit price /  per 
  • NDS-2outlet-catch-basin-6in-outlets-grey-wave4-grate-TDSdrains (1)

    NDS 12" Catch Basin Kit with NDS Wave Grate | Gray

    NDS 12" Catch Basin Kit with NDS Wave Grate | Gray

    Regular price From $169.25 USD
    Regular price Sale price From $169.25 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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