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Drainage Kits
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  • Drainage Kits
    • Popular Manufacturers
      • TDS
      • NDS
      • POLYCAST®
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      • Zurn
      • All Manufacturers
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      • Dura Slope
      • Mini Channel
      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
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      • Dura Slope
      • FP1200
      • Mini Channel
      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
    • Grate Material
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  • POLYCAST 600 -SS

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

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

    Regular price From $356.39 USD
    Regular price Sale price From $356.39 USD
    Unit price /  per 
  • BA-SLOT-0212-A Slim Channel Aluminum Natural Slotted Grate

    Bronze Age™ BA-SLOT-0212-A Class A Slotted Aluminum 2" x 12" Grate

    Bronze Age™ BA-SLOT-0212-A Class A Slotted Aluminum 2" x 12" Grate

    Regular price $91.00 USD
    Regular price Sale price $91.00 USD
    Unit price /  per 
  • 5inch-cast-iron-grate-Janis-raw2

    Iron Age IA-JANIS-0520 Class B Janis Cast Iron 122mm x 500mm Grate - RAW

    Iron Age IA-JANIS-0520 Class B Janis Cast Iron 122mm x 500mm Grate - RAW

    Regular price $174.46 USD
    Regular price Sale price $174.46 USD
    Unit price /  per 
  • Polycast-DG0442-galv-steel-grate-4ft-TDSdrains

    POLYCAST DG0441 Class A Slotted Galvanized 5" x 24" Grate

    POLYCAST DG0441 Class A Slotted Galvanized 5" x 24" Grate

    Regular price $89.26 USD
    Regular price Sale price $89.26 USD
    Unit price /  per 
  • Dura Slope with 609 BoOF Grates

    NDS® Dura Slope Kit with DS-609-BF Deco Slot Grate | Baked on Oil Finish

    NDS® Dura Slope Kit with DS-609-BF Deco Slot Grate | Baked on Oil Finish

    Regular price From $594.97 USD
    Regular price Sale price From $594.97 USD
    Unit price /  per 
  • IA-Spee-D-Locust-Grate-4x24-fullview raw cast iron grate

    Iron Age IA-LOC-0424 Class B Locust Cast Iron 4" x 24" Grate - RAW

    Iron Age IA-LOC-0424 Class B Locust Cast Iron 4" x 24" Grate - RAW

    Regular price $161.59 USD
    Regular price Sale price $161.59 USD
    Unit price /  per 
  • ZF806-DGC ductile iron grate and fiber reinforced polymer trench drain

    Zurn ZF806 Flo-Thru® Drain with P6-DGC Ductile Iron Grate - HD Z Frame

    Zurn ZF806 Flo-Thru® Drain with P6-DGC Ductile Iron Grate - HD Z Frame

    Regular price From $2,239.80 USD
    Regular price Sale price From $2,239.80 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST 500 Series Kit with DG0641D-G Slotted Ductile Iron-Galvanized Grate and Galvanized Edging

    POLYCAST 500 Series Kit with DG0641D-G Slotted Ductile Iron-Galvanized Grate and Galvanized Edging

    Regular price From $368.97 USD
    Regular price Sale price From $368.97 USD
    Unit price /  per 
  • POLY600-XX-640R-TDSdrains

    POLYCAST 600 Series Kit with DG0640R Slotted Galvanized Grate

    POLYCAST 600 Series Kit with DG0640R Slotted Galvanized Grate

    Regular price From $367.29 USD
    Regular price Sale price From $367.29 USD
    Unit price /  per 
  • Zurn Z884 with Cast Iron Slotted Grate

    ZURN Z884 Drainage Kit w/ P4-CG Slotted Ductile Iron Grate - Vandal Proof Locks & Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-CG Slotted Ductile Iron Grate - Vandal Proof Locks & Bottom Outlet

    Regular price From $463.74 USD
    Regular price Sale price From $463.74 USD
    Unit price /  per 
  • MV+200K-678 ULMA MULTIV with galvanized edging and 678 grate

    ULMA MV+200K w/ 678 HP Ductile Iron 9X20 Slotted Grate Class E

    Sale

    ULMA MV+200K w/ 678 HP Ductile Iron 9X20 Slotted Grate Class E

    Regular price From $218.45 USD
    Regular price $280.86 USD Sale price From $218.45 USD
    Unit price /  per 
    Sale
  • U100K with Galvanized Heelproof 406

    ULMA U100K Drainage Kit with ULMA Heel-Proof 406 Mesh Grate | Galvanized

    Sale

    ULMA U100K Drainage Kit with ULMA Heel-Proof 406 Mesh Grate | Galvanized

    Regular price From $134.19 USD
    Regular price $172.54 USD Sale price From $134.19 USD
    Unit price /  per 
    Sale
  • NDS841 shallow profile endcap 3/4 spt knock out end outlet

    NDS 841 Pro Series 12 Channel Shallow Profile End Cap Knockout End Outlet

    NDS 841 Pro Series 12 Channel Shallow Profile End Cap Knockout End Outlet

    Regular price $98.45 USD
    Regular price Sale price $98.45 USD
    Unit price /  per 
  • NDS 244 -Box of 12 - Class B ADA Compliant Slotted HDPE 4" x 24" Grate - SAND

    NDS 244 -Box of 12 - Class B ADA Compliant Slotted HDPE 4" x 24" Grate - SAND

    NDS 244 -Box of 12 - Class B ADA Compliant Slotted HDPE 4" x 24" Grate - SAND

    Regular price $399.55 USD
    Regular price Sale price $399.55 USD
    Unit price /  per 
  • POLYCAST 500 Kit w/ Stainless Steel Edging and DG0632 Foam Perforated Grate | Class A

    POLYCAST 500 Kit w/ Stainless Steel Edging and DG0632 Foam Perforated Grate | Class A

    POLYCAST 500 Kit w/ Stainless Steel Edging and DG0632 Foam Perforated Grate | Class A

    Regular price From $495.64 USD
    Regular price Sale price From $495.64 USD
    Unit price /  per 
  • Ulma M100KX channel with 432 Stainless Steel Mesh

    M100KX w/Stainless Steel Mesh 432 Grate-ULMA

    Sale

    M100KX w/Stainless Steel Mesh 432 Grate-ULMA

    Regular price From $609.69 USD
    Regular price $773.88 USD Sale price From $609.69 USD
    Unit price /  per 
    Sale
  • POLYCAST600-xx-DG0657R-TDSdrains

    POLYCAST® 600 Series Kit w/DG0657R Reinforced Perforated Stainless Grate

    POLYCAST® 600 Series Kit w/DG0657R Reinforced Perforated Stainless Grate

    Regular price From $493.73 USD
    Regular price Sale price From $493.73 USD
    Unit price /  per 
  • POLY500-XX-630 POLYCAST 500 Cathedral Stainless Steel

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

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

    Regular price From $397.01 USD
    Regular price Sale price From $397.01 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 
  • NDS-Wave-cast-iron-grate-TDSdrains

    NDS 253CI Class B ADA Compliant Wave Ductile Iron 4" x 24" Grate - RAW

    NDS 253CI Class B ADA Compliant Wave Ductile Iron 4" x 24" Grate - RAW

    Regular price $174.12 USD
    Regular price Sale price $174.12 USD
    Unit price /  per 
  • POLY600-SS-644SP Polycast 600 with Stainless steel edge and a fiberglass DG0644SP grate

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

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

    Regular price From $387.78 USD
    Regular price Sale price From $387.78 USD
    Unit price /  per 
  • POLY500-AA-641D cast iron frame slotted ductile iron grate polymer concrete shallow channel Polycast

    POLYCAST 500 Series Kit with DG0641D Slotted Ductile Iron Grate and Frame

    POLYCAST 500 Series Kit with DG0641D Slotted Ductile Iron Grate and Frame

    Regular price From $470.46 USD
    Regular price Sale price From $470.46 USD
    Unit price /  per 
  • U100K-MissionBay-boof Ironage deco cast iron grate polymer concrete channel galv edge

    ULMA U100K Drainage Kit with Iron Age Mission Bay Grate | Baked on Oil Finish

    Sale

    ULMA U100K Drainage Kit with Iron Age Mission Bay Grate | Baked on Oil Finish

    Regular price From $722.26 USD
    Regular price $785.42 USD Sale price From $722.26 USD
    Unit price /  per 
    Sale
  • ULMA U100KX with Stainless Steel Edge and Stainless Steel Mesh Grate

    ULMA U100KX Drainage Kit with Stainless Steel Mesh 432 Grate

    Sale

    ULMA U100KX Drainage Kit with Stainless Steel Mesh 432 Grate

    Regular price From $361.74 USD
    Regular price $465.09 USD Sale price From $361.74 USD
    Unit price /  per 
    Sale
  • PCK5-DG0632 POLYCAST 500 Series Kit with TDS DG0632 Perforated Stainless Steel Grates

    POLYCAST 500 Kit w/ DG0632 Stainless Steel Foam Perforated Grate | Class A

    POLYCAST 500 Kit w/ DG0632 Stainless Steel Foam Perforated Grate | Class A

    Regular price From $411.06 USD
    Regular price Sale price From $411.06 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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