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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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      • FP1200
      • Mini Channel
      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
    • Grate Material
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  • NDS Dura Slope Stainless Steel Perforated Grate NDS226

    NDS Dura Slope Kit with DS-226 Stainless Steel Perforated Grate

    NDS Dura Slope Kit with DS-226 Stainless Steel Perforated Grate

    Regular price From $752.32 USD
    Regular price Sale price From $752.32 USD
    Unit price /  per 
  • NDS-Dura-665-TDSdrains brick red slotted

    NDS DS-665 Class B ADA Compliant Slotted Polyolefin 6" x 24" Grate - BRICK RED

    NDS DS-665 Class B ADA Compliant Slotted Polyolefin 6" x 24" Grate - BRICK RED

    Regular price $70.40 USD
    Regular price Sale price $70.40 USD
    Unit price /  per 
  • IA-CARB-0520-BF Iron Age Carbochon 5x20" Baked on Oil Finish cast iron

    Iron Age IA-CARB-0520-BF Class B Carbochon Cast Iron 122mm x 500mm Grates - BoOF

    Iron Age IA-CARB-0520-BF Class B Carbochon Cast Iron 122mm x 500mm Grates - BoOF

    Regular price $233.09 USD
    Regular price Sale price $233.09 USD
    Unit price /  per 
  • POLYCAST Polymer Concrete Catch Basin DP0653SB

    POLYCAST DP0653SB Solid Bottom 24" x 24" 600 Series Catch Basin

    POLYCAST DP0653SB Solid Bottom 24" x 24" 600 Series Catch Basin

    Regular price $942.84 USD
    Regular price Sale price $942.84 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 $532.41 USD
    Regular price Sale price From $532.41 USD
    Unit price /  per 
  • POLY500-PE-692-TDSdrains HPDE frame cast iron patriot grate shallow POLYCAST polymer concrete channel

    POLYCAST 500 Series Kit with DG0692 Patriot Ductile Iron Grate and HDPE Frame

    POLYCAST 500 Series Kit with DG0692 Patriot Ductile Iron Grate and HDPE Frame

    Regular price From $501.15 USD
    Regular price Sale price From $501.15 USD
    Unit price /  per 
  • TP0650S Catch Basin with DG0621 Slot Galvanized with DG0620 Cathedral Galvanized

    TP0650S (Shallow) Catch Basin Kit w/ DG0620H for POLYCAST®

    TP0650S (Shallow) Catch Basin Kit w/ DG0620H for POLYCAST®

    Regular price $346.63 USD
    Regular price Sale price $346.63 USD
    Unit price /  per 
  • MAX Mini with Oil Rubbed Veneer Edging with Brushed Bronze Rain Drop Grate

    TDS™ 3" Sand MAX Mini w/ Brushed Bronze Rain Drop Grate & Oil Rubbed Bronze Edge

    TDS™ 3" Sand MAX Mini w/ Brushed Bronze Rain Drop Grate & Oil Rubbed Bronze Edge

    Regular price From $1,198.59 USD
    Regular price Sale price From $1,198.59 USD
    Unit price /  per 
  • M100K-Interlaken raw cast iron deco grate polymer concrete galv edge ULMA channel

    ULMA M100K W/Iron Age Interlaken Grate

    Sale

    ULMA M100K W/Iron Age Interlaken Grate

    Regular price From $518.94 USD
    Regular price $557.52 USD Sale price From $518.94 USD
    Unit price /  per 
    Sale
  • TP0750S (Shallow) Catch Basin Kit w/ DG0655R for POLYCAST®-HDPE Frame

    TP0750S (Shallow) Catch Basin Kit w/ DG0655R for POLYCAST®-HDPE Frame

    TP0750S (Shallow) Catch Basin Kit w/ DG0655R for POLYCAST®-HDPE Frame

    Regular price $637.19 USD
    Regular price Sale price $637.19 USD
    Unit price /  per 
  • New Image Coming Soon

    ULMA M100V w/Bronze Age™ CATHEDRAL Ductile Iron Heel-Proof Grate - RAW

    Sale

    ULMA M100V w/Bronze Age™ CATHEDRAL Ductile Iron Heel-Proof Grate - RAW

    Regular price From $310.06 USD
    Regular price $338.65 USD Sale price From $310.06 USD
    Unit price /  per 
    Sale
  • SS600 channel with Stainless Steel Wire Wedge Grate

    SS600 Stainless Steel Drain Kit w/ DG0655 Wedge Wire Stainless Steel Grate | Class B

    SS600 Stainless Steel Drain Kit w/ DG0655 Wedge Wire Stainless Steel Grate | Class B

    Regular price From $1,740.81 USD
    Regular price Sale price From $1,740.81 USD
    Unit price /  per 
  • 488_Vinylester FRP 0.6 in center 1M Grate

    TDS 488 Vinyl-Ester Fiberglass Bar 122mm x 1M Bar Grate - 0.6" on center - Class C

    Sale

    TDS 488 Vinyl-Ester Fiberglass Bar 122mm x 1M Bar Grate - 0.6" on center - Class C

    Regular price $194.32 USD
    Regular price $249.84 USD Sale price $194.32 USD
    Unit price /  per 
    Sale
  • PCK5-DG0622 Foam Perforated

    POLYCAST 500 Kit w/ DG0622 Galvanized Foam Perforated Grate | Class A

    POLYCAST 500 Kit w/ DG0622 Galvanized Foam Perforated Grate | Class A

    Regular price From $339.61 USD
    Regular price Sale price From $339.61 USD
    Unit price /  per 
  • New Image Coming Soon

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

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

    Regular price From $236.88 USD
    Regular price Sale price From $236.88 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 
  • DP0650-XX-675H Polycast 600 with black HDPE Grate in transverse slotted pattern with stainless edge

    POLYCAST® DP0650 Inline Catch Basin w/DG0675 HDPE Transverse Slotted Grate & Stainless Edge

    POLYCAST® DP0650 Inline Catch Basin w/DG0675 HDPE Transverse Slotted Grate & Stainless Edge

    Regular price $462.12 USD
    Regular price Sale price $462.12 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 $261.71 USD
    Regular price Sale price From $261.71 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 $351.55 USD
    Regular price Sale price From $351.55 USD
    Unit price /  per 
  • POLYCAST 600 Series Kit w/ DG0675G Gray Transverse Plastic Grate & Stainless Edge - Load Class A

    POLYCAST 600 Series Kit w/ DG0675G Gray Transverse Plastic Grate & Stainless Edge - Load Class A

    POLYCAST 600 Series Kit w/ DG0675G Gray Transverse Plastic Grate & Stainless Edge - Load Class A

    Regular price From $217.81 USD
    Regular price Sale price From $217.81 USD
    Unit price /  per 
  • Zurn 6" Plastic ADA linear slotted Grate P6-HPP-GREEN

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

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

    Regular price $108.00 USD
    Regular price Sale price $108.00 USD
    Unit price /  per 
  • PCK5-DG0633 POLYCAST 500 with Square Deco Stainless Steel Grate

    POLYCAST 500 Kit w/ DG0633 Stainless Steel Square Deco Grate | Class A

    POLYCAST 500 Kit w/ DG0633 Stainless Steel Square Deco Grate | Class A

    Regular price From $423.98 USD
    Regular price Sale price From $423.98 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST® DP0750 Inline Catch Basin w/DG0657 Stainless Perforated Grate & HDPE Frame

    POLYCAST® DP0750 Inline Catch Basin w/DG0657 Stainless Perforated Grate & HDPE Frame

    Regular price $709.05 USD
    Regular price Sale price $709.05 USD
    Unit price /  per 
  • DP0650-Catch Basin

    POLYCAST® DP0750 Inline Catch Basin w/FG0644SPH Fiberglass Slot Grate & HDPE Frame

    POLYCAST® DP0750 Inline Catch Basin w/FG0644SPH Fiberglass Slot Grate & HDPE Frame

    Regular price $560.82 USD
    Regular price Sale price $560.82 USD
    Unit price /  per 
  • MV+200KX-661

    ULMA MV+200KX w/ 661 Ductile Iron 9X20 Slotted Grate Class E

    Sale

    ULMA MV+200KX w/ 661 Ductile Iron 9X20 Slotted Grate Class E

    Regular price From $267.63 USD
    Regular price $344.10 USD Sale price From $267.63 USD
    Unit price /  per 
    Sale
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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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