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  • ULMA U100K with 488 Vinyl Ester 0.6 FRP Grate

    ULMA U100K Drainage Kit with TDS Vinyl Ester Bar Grate 0.6" on Center

    ULMA U100K Drainage Kit with TDS Vinyl Ester Bar Grate 0.6" on Center

    Regular price From $687.65 USD
    Regular price Sale price From $687.65 USD
    Unit price /  per 
  • POLYCAST 600 with Stainless Steel Edge and DG0670

    POLYCAST® 600 Vinyl Ester Series Kit with DG0670 Slotted HDPE Grate & Edge

    POLYCAST® 600 Vinyl Ester Series Kit with DG0670 Slotted HDPE Grate & Edge

    Regular price From $451.38 USD
    Regular price Sale price From $451.38 USD
    Unit price /  per 
  • Polycast-w-SS-HD-Bar-Grate-SS-edging2-DK

    POLYCAST® 600 Series Kit w/ DG0669 Stainless Bar Grate & Stainless Edging

    POLYCAST® 600 Series Kit w/ DG0669 Stainless Bar Grate & Stainless Edging

    Regular price From $784.01 USD
    Regular price Sale price From $784.01 USD
    Unit price /  per 
  • ULMA U100KX-Rain-Raw

    ULMA U100KX w/ Iron Age Rain Grate-RAW

    ULMA U100KX w/ Iron Age Rain Grate-RAW

    Regular price From $281.91 USD
    Regular price Sale price From $281.91 USD
    Unit price /  per 
  • POLY600-GS-692-TDSdrains cast iron patriot grate galv steel edge polymer concrete channel Polycast

    POLYCAST® 600 Vinyl Ester Series Kit w/ DG0692 Patriot Ductile Iron Grate- Stainless Edge

    POLYCAST® 600 Vinyl Ester Series Kit w/ DG0692 Patriot Ductile Iron Grate- Stainless Edge

    Regular price From $492.07 USD
    Regular price Sale price From $492.07 USD
    Unit price /  per 
  • POLY700-PE-657R

    POLYCAST® 700 Kit w/DG0657R Stainless Perforated Grate & HDPE Frame

    POLYCAST® 700 Kit w/DG0657R Stainless Perforated Grate & HDPE Frame

    Regular price From $474.99 USD
    Regular price Sale price From $474.99 USD
    Unit price /  per 
  • ULMA U100KX Drain Channel kit w/ Bronze Age™ Luna Grate-RAW

    ULMA U100KX Drain Channel kit w/ Bronze Age™ Luna Grate-RAW

    ULMA U100KX Drain Channel kit w/ Bronze Age™ Luna Grate-RAW

    Regular price From $240.15 USD
    Regular price Sale price From $240.15 USD
    Unit price /  per 
  • POLY600-SS-669

    POLYCAST® 600 Vinyl Ester Series Kit with DG0669 Stainless Bar Grate & Edge

    POLYCAST® 600 Vinyl Ester Series Kit with DG0669 Stainless Bar Grate & Edge

    Regular price From $861.26 USD
    Regular price Sale price From $861.26 USD
    Unit price /  per 
  • 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 
  • POLY700-AA-640R

    POLYCAST®700 Kit w/ DG0640R Reinforced Galvanized Slotted Grate - Ductile Iron Frame

    POLYCAST®700 Kit w/ DG0640R Reinforced Galvanized Slotted Grate - Ductile Iron Frame

    Regular price From $747.19 USD
    Regular price Sale price From $747.19 USD
    Unit price /  per 
  • M100KX Ulma Stainless Steel edge channel Iron Age River Rock Raw Grate

    M100KX Kit w/Iron Age River Rock Grate | RAW

    M100KX Kit w/Iron Age River Rock Grate | RAW

    Regular price From $2,314.25 USD
    Regular price Sale price From $2,314.25 USD
    Unit price /  per 
  • ULMA D100 Channel

    ULMA D100 Drain Channel w/ TDS 424 Slotted Reinforced Galvanized Grate - Class C

    ULMA D100 Drain Channel w/ TDS 424 Slotted Reinforced Galvanized Grate - Class C

    Regular price From $314.27 USD
    Regular price Sale price From $314.27 USD
    Unit price /  per 
  • POLYCAST 600 with DG0646

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

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

    Regular price From $238.11 USD
    Regular price Sale price From $238.11 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST 600 Series Kit with DG0641D-G Slotted Ductile Iron-Galvanized Grate with Galvanized Edging

    POLYCAST 600 Series Kit with DG0641D-G Slotted Ductile Iron-Galvanized Grate with Galvanized Edging

    Regular price From $291.18 USD
    Regular price Sale price From $291.18 USD
    Unit price /  per 
  • POLYCAST500 with SS Edging and SS Cathedral Grate

    POLYCAST 500 Kit w/ Stainless Steel Edging and DG0630 Cathedral Grate | Class A

    POLYCAST 500 Kit w/ Stainless Steel Edging and DG0630 Cathedral Grate | Class A

    Regular price From $775.06 USD
    Regular price Sale price From $775.06 USD
    Unit price /  per 
  • ULMA U100KX Drain Channel kit w/Bronze Age™ BARS Grate-RAW

    ULMA U100KX Drain Channel kit w/Bronze Age™ BARS Grate-RAW

    ULMA U100KX Drain Channel kit w/Bronze Age™ BARS Grate-RAW

    Regular price From $240.15 USD
    Regular price Sale price From $240.15 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 $269.32 USD
    Regular price Sale price From $269.32 USD
    Unit price /  per 
  • PCK7-DG0692 Polycast 700 Channel with Ductile Iron Frame and DG0692 Patriot Grate

    POLYCAST® 700 Kit w/ DG0692 Patriot Ductile Iron Grate & HDPE Frame

    POLYCAST® 700 Kit w/ DG0692 Patriot Ductile Iron Grate & HDPE Frame

    Regular price From $367.63 USD
    Regular price Sale price From $367.63 USD
    Unit price /  per 
  • ULMA U100K Drain Channel kit w/ Bronze Age™ Luna Grate-RAW

    ULMA U100K Drain Channel kit w/ Bronze Age™ Luna Grate-RAW

    ULMA U100K Drain Channel kit w/ Bronze Age™ Luna Grate-RAW

    Regular price From $174.64 USD
    Regular price Sale price From $174.64 USD
    Unit price /  per 
  • POLYCAST 600 with DG0670

    POLYCAST 600 Series Kit w/ DG0670 Plastic Grate - Load Class A

    POLYCAST 600 Series Kit w/ DG0670 Plastic Grate - Load Class A

    Regular price From $269.79 USD
    Regular price Sale price From $269.79 USD
    Unit price /  per 
  • POLYCAST 600 with DG0644 Fiberglass Grate POLY600-XX-644

    POLYCAST 600 Series Kit w/Fiberglass FG0644 Grate - Load Class B

    POLYCAST 600 Series Kit w/Fiberglass FG0644 Grate - Load Class B

    Regular price From $351.85 USD
    Regular price Sale price From $351.85 USD
    Unit price /  per 
  • ULMA U100K Drain Channel kit w/Bronze Age™ CATHEDRAL Grate-RAW

    ULMA U100K Drain Channel kit w/Bronze Age™ CATHEDRAL Grate-RAW

    ULMA U100K Drain Channel kit w/Bronze Age™ CATHEDRAL Grate-RAW

    Regular price From $174.64 USD
    Regular price Sale price From $174.64 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 $421.31 USD
    Regular price Sale price From $421.31 USD
    Unit price /  per 
  • Polycast 700 with DG0646R Reinforced perforated Galvanized Steel Grates and Cast Iron Frame

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

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

    Regular price From $418.41 USD
    Regular price Sale price From $418.41 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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