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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
      • Polymer Concrete
      • Stainless Steel
      • Pour in Place (Concrete)
      • All Channel Materials
    • Load Class
      • Load Class A
      • Load Class B
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      • Load Class D
      • Load Class E
      • Load Class F
      • All Load Classes
  • Grates
    • Popular Manufacturers
      • TDS
      • Bronze Age
      • NDS
      • Polycast
      • Polylok
      • ULMA
      • 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
      • Aluminum
      • Bronze
      • Ductile/Cast Iron
      • Fiberglass
      • Galvanized Steel
      • Plastic
      • Stainless Steel
      • All Grate Materials
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  • M100K-FNHX100KCCM-2 Ductile Iron grate Low Profile shallow polymer concrete galv edge ULMA channel

    ULMA M100K W/ Ductile Iron Slotted Grate (1/2M) Class C

    Sale

    ULMA M100K W/ Ductile Iron Slotted Grate (1/2M) Class C

    Regular price From $233.46 USD
    Regular price $290.16 USD Sale price From $233.46 USD
    Unit price /  per 
    Sale
  • U100KM-Locust-boof cast iron deco ironage grate polymer concrete ULMA channel galv edge

    ULMA U100KX Drain Channel w/ Iron Age Locust Grate-BoOF

    Sale

    ULMA U100KX Drain Channel w/ Iron Age Locust Grate-BoOF

    Regular price From $351.82 USD
    Regular price $385.74 USD Sale price From $351.82 USD
    Unit price /  per 
    Sale
  • POLY600-xx-641D-TDSdrains ductile iron slotted grate polymer concrete channel Polycast

    POLYCAST® 600 Vinyl Ester Series Kit with DG0641D Slotted Ductile Iron Grate

    POLYCAST® 600 Vinyl Ester Series Kit with DG0641D Slotted Ductile Iron Grate

    Regular price From $314.10 USD
    Regular price Sale price From $314.10 USD
    Unit price /  per 
  • Zurn Z884 with Cast Iron Slotted Grate

    ZURN Z884 Drainage Kit w/ P4-CG Cast Iron Slotted Grate - Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-CG Cast Iron Slotted Grate - Bottom Outlet

    Regular price From $413.12 USD
    Regular price Sale price From $413.12 USD
    Unit price /  per 
  • POLYCAST 500 with DG0631 transverse slotted grate

    POLYCAST 500 Kit w/ DG0631 Stainless Steel Transverse Slotted Grate | Class A

    POLYCAST 500 Kit w/ DG0631 Stainless Steel Transverse Slotted Grate | Class A

    Regular price From $399.51 USD
    Regular price Sale price From $399.51 USD
    Unit price /  per 
  • POLY700-PE-647R

    POLYCAST® 700 Vinyl Ester Series Kit w/DG0647R Reinforced Slotted Stainless Grate & HDPE Frame

    POLYCAST® 700 Vinyl Ester Series Kit w/DG0647R Reinforced Slotted Stainless Grate & HDPE Frame

    Regular price From $1,036.52 USD
    Regular price Sale price From $1,036.52 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST 500 Series Kit with DG0669 Stainless Bar Grate and HDPE Frame

    POLYCAST 500 Series Kit with DG0669 Stainless Bar Grate and HDPE Frame

    Regular price From $1,452.88 USD
    Regular price Sale price From $1,452.88 USD
    Unit price /  per 
  • ZURN Z884 Drainage Kit w/ P4-HPP-BROWN HDPE Slotted Grate - Vandal Proof Locks & Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-BROWN HDPE Slotted Grate - Vandal Proof Locks & Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-BROWN HDPE Slotted Grate - Vandal Proof Locks & Bottom Outlet

    Regular price From $399.80 USD
    Regular price Sale price From $399.80 USD
    Unit price /  per 
  • PCK5-DG0657R-PF POLYCAST 500 Channel with Frame and Reinforced Perforated Stainless Grates

    POLYCAST 500 Series Kit with DG0657R Reinforced Perforated Stainless Grate and HDPE Frame

    POLYCAST 500 Series Kit with DG0657R Reinforced Perforated Stainless Grate and HDPE Frame

    Regular price From $902.28 USD
    Regular price Sale price From $902.28 USD
    Unit price /  per 
  • MMS-BF-CATH-BF

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

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

    Regular price From $722.26 USD
    Regular price Sale price From $722.26 USD
    Unit price /  per 
  • BA-SLOT-0212-B Slim Channel Bronze Brushed Slotted Grate

    Bronze Age BA-SLOT-0212-B Class A Slotted Bronze Brushed Finish 2" x 12" Grate

    Bronze Age BA-SLOT-0212-B Class A Slotted Bronze Brushed Finish 2" x 12" Grate

    Regular price $152.50 USD
    Regular price Sale price $152.50 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 $327.10 USD
    Regular price Sale price From $327.10 USD
    Unit price /  per 
  • POLY700-AA-669-TDSdrains

    POLYCAST 700 Series Kit with DG0669 Stainless Bar Grate and Ductile Iron Frame

    POLYCAST 700 Series Kit with DG0669 Stainless Bar Grate and Ductile Iron Frame

    Regular price From $1,590.58 USD
    Regular price Sale price From $1,590.58 USD
    Unit price /  per 
  • ZURN Z884 Drainage Kit w/ P4-HPP-BLACK HDPE Slotted Grate - Vandal Proof Locks & Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-BLACK HDPE Slotted Grate - Vandal Proof Locks & Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-BLACK HDPE Slotted Grate - Vandal Proof Locks & Bottom Outlet

    Regular price From $399.80 USD
    Regular price Sale price From $399.80 USD
    Unit price /  per 
  • IA-locust-raw-3x12-fullview-TDSdrains

    Iron Age IA-LOC-0312 Class B Cast Iron Locust 3" x 12" Grate - RAW

    Sale

    Iron Age IA-LOC-0312 Class B Cast Iron Locust 3" x 12" Grate - RAW

    Regular price $78.65 USD
    Regular price $78.65 USD Sale price $78.65 USD
    Unit price /  per 
    Sale
  • POLY600-GS-675HD-TDSdrains galv steel edge transverse slotted grate polymer concrete channel Polycast

    POLYCAST® 600 Vinyl Ester Series Kit w/DG0675HD Slotted Ductile Iron Grate & Stainless Edge

    POLYCAST® 600 Vinyl Ester Series Kit w/DG0675HD Slotted Ductile Iron Grate & Stainless Edge

    Regular price From $367.43 USD
    Regular price Sale price From $367.43 USD
    Unit price /  per 
  • ZURN Z884 Drainage Kit w/ P4-HPP-BLACK HDPE Slotted Class A Grates

    ZURN Z884 Drainage Kit w/ P4-HPP-BLACK HDPE Slotted Class A Grates

    ZURN Z884 Drainage Kit w/ P4-HPP-BLACK HDPE Slotted Class A Grates

    Regular price From $316.38 USD
    Regular price Sale price From $316.38 USD
    Unit price /  per 
  • POLY600-SS-644 Polycast 600 Stainless Steel Edge with DG0644 Fiberglass Grate

    POLYCAST® 600 Vinyl Ester Series Kit with FG0644 Slotted Fiberglass Grate & Stainless Edge

    POLYCAST® 600 Vinyl Ester Series Kit with FG0644 Slotted Fiberglass Grate & Stainless Edge

    Regular price From $463.43 USD
    Regular price Sale price From $463.43 USD
    Unit price /  per 
  • ZURN Z884 Drainage Kit w/ P4-HPP-TEA&CREAM HDPE Slotted Grate - Vandal Proof Locks & Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-TEA&CREAM HDPE Slotted Grate - Vandal Proof Locks & Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-TEA&CREAM HDPE Slotted Grate - Vandal Proof Locks & Bottom Outlet

    Regular price From $399.80 USD
    Regular price Sale price From $399.80 USD
    Unit price /  per 
  • DG3044 Fiberglass I-Grate

    TDS FG3044 Class C VE Fiberglass I-Bar with Grit 8" x 48" Grate

    TDS FG3044 Class C VE Fiberglass I-Bar with Grit 8" x 48" Grate

    Regular price $496.05 USD
    Regular price Sale price $496.05 USD
    Unit price /  per 
  • ZURN Z884 Drainage Kit w/ P4-HPP-WHITE HDPE Slotted Grate - Vandal Proof Locks & Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-WHITE HDPE Slotted Grate - Vandal Proof Locks & Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-WHITE HDPE Slotted Grate - Vandal Proof Locks & Bottom Outlet

    Regular price From $399.80 USD
    Regular price Sale price From $399.80 USD
    Unit price /  per 
  • 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 
  • MMG-BF-PED-B

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze Pedreda Grates & Oil Rubbed Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze Pedreda Grates & Oil Rubbed Bronze Edge

    Regular price From $1,198.59 USD
    Regular price Sale price From $1,198.59 USD
    Unit price /  per 
  • MMG-SB-BA-BARS-B

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze BARS Grate & Satin Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze BARS Grate & Satin Bronze Edge

    Regular price From $1,198.59 USD
    Regular price Sale price From $1,198.59 USD
    Unit price /  per 
  • ZURN Z884 Drainage Kit w/ P4-HPP-TEA&CREAM HDPE Slotted Grate - Vandal Proof Locks

    ZURN Z884 Drainage Kit w/ P4-HPP-TEA&CREAM HDPE Slotted Grate - Vandal Proof Locks

    ZURN Z884 Drainage Kit w/ P4-HPP-TEA&CREAM HDPE Slotted Grate - Vandal Proof Locks

    Regular price From $367.00 USD
    Regular price Sale price From $367.00 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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shop@trenchdrain.com

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