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  • Drainage Kits
    • Popular Manufacturers
      • TDS
      • NDS
      • POLYCAST®
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      • All Manufacturers
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      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
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  • POLYCAST 600 with DG0644SP Fiberglass FRP Bar Grate

    POLYCAST 600 Series Kit w/Fiberglass FG0644SP Grate - Load Class C

    POLYCAST 600 Series Kit w/Fiberglass FG0644SP Grate - Load Class C

    Regular price From $351.85 USD
    Regular price Sale price From $351.85 USD
    Unit price /  per 
  • HYDRO PLUS with IA-BAY-0520-HP raw cast iron grate

    ULMA HYDROPLUS w/ Iron Age IA-BAY-0520-HP Mission Bay Heel Proof Raw Cast Iron Grate Class B

    ULMA HYDROPLUS w/ Iron Age IA-BAY-0520-HP Mission Bay Heel Proof Raw Cast Iron Grate Class B

    Regular price From $451.48 USD
    Regular price Sale price From $451.48 USD
    Unit price /  per 
  • ULMA HYDROPLUS MINI with 438 Grate-Stainless Steel Wedge Wire

    ULMA HYDROPLUS Mini w/ ADA Stainless Steel Reinforced Wedge Wire Grate (438)

    ULMA HYDROPLUS Mini w/ ADA Stainless Steel Reinforced Wedge Wire Grate (438)

    Regular price From $658.32 USD
    Regular price Sale price From $658.32 USD
    Unit price /  per 
  • BA-BARS-0312-BF

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

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

    Regular price From $659.78 USD
    Regular price Sale price From $659.78 USD
    Unit price /  per 
  • NDS913-ductile-iron-grate

    NDS 913 Class C Slotted Cast Iron 9" x 9" Grate

    NDS 913 Class C Slotted Cast Iron 9" x 9" Grate

    Regular price $161.57 USD
    Regular price Sale price $161.57 USD
    Unit price /  per 
  • NDS-Dura-XX-662-TDSdrains

    NDS® Dura Slope Kit with DS-662 HDPE Slotted Grate | Green

    NDS® Dura Slope Kit with DS-662 HDPE Slotted Grate | Green

    Regular price From $426.40 USD
    Regular price Sale price From $426.40 USD
    Unit price /  per 
  • Hydro Plus Mini with 432 Stainless Steel Mesh Grate Class B

    ULMA HYDROPLUS Mini with Mesh Stainless Steel Grate (432 / IEX100KCB) Class B

    ULMA HYDROPLUS Mini with Mesh Stainless Steel Grate (432 / IEX100KCB) Class B

    Regular price From $522.24 USD
    Regular price Sale price From $522.24 USD
    Unit price /  per 
  • ULMA U100KX with Black 480 Heel Proof Grate

    ULMA U100KX w/ Ductile Iron Heel-Proof Grate (480)

    ULMA U100KX w/ Ductile Iron Heel-Proof Grate (480)

    Regular price From $201.56 USD
    Regular price Sale price From $201.56 USD
    Unit price /  per 
  • POLY600-xx-675D-TDsdrains cast iron transverse ada grate polymer concrete channel Polycast

    POLYCAST® 600 Vinyl Ester Series Kit w/ DG0675HD Transverse Slotted Ductile Iron Grate

    POLYCAST® 600 Vinyl Ester Series Kit w/ DG0675HD Transverse Slotted Ductile Iron Grate

    Regular price From $315.87 USD
    Regular price Sale price From $315.87 USD
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  • BA-PED-0312-BF TDS Bronze Age Pedreda BoOF grate

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

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

    Regular price From $659.78 USD
    Regular price Sale price From $659.78 USD
    Unit price /  per 
  • NDS1212S Slot HDPE Sand Catch Basin Grate

    NDS 1212S Class B ADA Compliant Slotted HDPE 12" x 12" Grate - SAND

    NDS 1212S Class B ADA Compliant Slotted HDPE 12" x 12" Grate - SAND

    Regular price $71.12 USD
    Regular price Sale price $71.12 USD
    Unit price /  per 
  • FPK-FG1248R-G

    Trench•Era™ FP Series Drain System w/DG1248R 14" Wide Class C Grate - MD Galvanized Frame

    Trench•Era™ FP Series Drain System w/DG1248R 14" Wide Class C Grate - MD Galvanized Frame

    Request quote
  • NDS® Dura Slope Kit with DS-661 HDPE Slotted Grate | Dark Gray

    NDS® Dura Slope Kit with DS-661 HDPE Slotted Grate | Dark Gray

    NDS® Dura Slope Kit with DS-661 HDPE Slotted Grate | Dark Gray

    Regular price From $419.00 USD
    Regular price Sale price From $419.00 USD
    Unit price /  per 
  • MV+200K-658 ULMA MULTIV with Glavanized Edge and 658 grate

    ULMA MV+200K w/ 658 HP Ductile Iron 9X20 Slotted Grate Class C

    ULMA MV+200K w/ 658 HP Ductile Iron 9X20 Slotted Grate Class C

    Regular price From $240.23 USD
    Regular price Sale price From $240.23 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST 500 Series Kit with DG0669 Stainless Bar Grate and Ductile Iron Frame

    POLYCAST 500 Series Kit with DG0669 Stainless Bar Grate and Ductile Iron Frame

    Regular price From $1,418.32 USD
    Regular price Sale price From $1,418.32 USD
    Unit price /  per 
  • ULMA HYDRO PLUS Mini with 440 SS Perforated Grate Class A_1 Meter

    ULMA HYDROPLUS Mini with Stainless Steel Perforated Tread Grate (440 / IP100KCA) Class A

    ULMA HYDROPLUS Mini with Stainless Steel Perforated Tread Grate (440 / IP100KCA) Class A

    Regular price From $192.80 USD
    Regular price Sale price From $192.80 USD
    Unit price /  per 
  • PCK6-DG0640-GE POLYCAST with Galvanized Steel Slotted Grate and Edging

    POLYCAST 600 Series Kit w/ DG0640 Slotted Galvanized Grate and Edging | Load Class B

    POLYCAST 600 Series Kit w/ DG0640 Slotted Galvanized Grate and Edging | Load Class B

    Regular price From $262.12 USD
    Regular price Sale price From $262.12 USD
    Unit price /  per 
  • FG-MESH-CB09-FRONT 9" Catch Basin FRP Grate

    FG-MESH-CB09 Class A Fiberglass 9" x 9" x 1" Catch Basin Grate - Dark Grey

    FG-MESH-CB09 Class A Fiberglass 9" x 9" x 1" Catch Basin Grate - Dark Grey

    Regular price $29.20 USD
    Regular price Sale price $29.20 USD
    Unit price /  per 
  • Trench•Era™ FP Series Drain System w/FG1244 14" Wide Class C Grate - MD Stainless Frame

    Trench•Era™ FP Series Drain System w/FG1244 14" Wide Class C Grate - MD Stainless Frame

    Trench•Era™ FP Series Drain System w/FG1244 14" Wide Class C Grate - MD Stainless Frame

    Request quote
  • P6-RFSC Stainless Steel Reinforced Grate

    Zurn P6-RFSC Slotted Stainless Steel Reinforced 6x40 Grate (Nominal) | Load Class C

    Zurn P6-RFSC Slotted Stainless Steel Reinforced 6x40 Grate (Nominal) | Load Class C

    Regular price $672.00 USD
    Regular price Sale price $672.00 USD
    Unit price /  per 
  • POLY700-PE-657R

    POLYCAST® 700 Vinyl Ester Kit w/DG0657R Ductile Iron Patriot Grate & HDPE Frame

    POLYCAST® 700 Vinyl Ester Kit w/DG0657R Ductile Iron Patriot Grate & HDPE Frame

    Regular price From $1,129.29 USD
    Regular price Sale price From $1,129.29 USD
    Unit price /  per 
  • POLYCAST 500 Kit w/ Galvanized Edging and DG0621 Slot Grate | Class A

    POLYCAST 500 Kit w/ Galvanized Edging and DG0621 Slot Grate | Class A

    POLYCAST 500 Kit w/ Galvanized Edging and DG0621 Slot Grate | Class A

    Regular price From $483.73 USD
    Regular price Sale price From $483.73 USD
    Unit price /  per 
  • NDS915-galv-steel-grate

    NDS 915 Class C HD Bar Galvanized 9" x 9" Grate

    NDS 915 Class C HD Bar Galvanized 9" x 9" Grate

    Regular price $87.54 USD
    Regular price Sale price $87.54 USD
    Unit price /  per 
  • PCK5-DG0647 POLYCAST 500 Series with DG0647 Stainless Steel Grates

    POLYCAST 500 Series Kit with DG0647 Slotted Stainless Grate

    POLYCAST 500 Series Kit with DG0647 Slotted Stainless Grate

    Regular price From $557.89 USD
    Regular price Sale price From $557.89 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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