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Drainage Kits
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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
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      • Pour in Place (Concrete)
      • All Channel Materials
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      • Load Class A
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      • All Load Classes
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    • Popular Manufacturers
      • TDS
      • Bronze Age
      • NDS
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      • 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
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      • Ductile/Cast Iron
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  • Hydro Plus with 450 SS Slotted 1M Grate Class A

    ULMA HYDROPLUS with 450 / IN100KCA Stainless Steel Slotted Grate Class A

    Sale

    ULMA HYDROPLUS with 450 / IN100KCA Stainless Steel Slotted Grate Class A

    Regular price From $180.41 USD
    Regular price $229.33 USD Sale price From $180.41 USD
    Unit price /  per 
    Sale
  • POLY500-SS-647-TDSdrains

    POLYCAST 500 Series Kit with DG0647 Slotted Stainless Grate and Edging

    POLYCAST 500 Series Kit with DG0647 Slotted Stainless Grate and Edging

    Regular price From $444.50 USD
    Regular price Sale price From $444.50 USD
    Unit price /  per 
  • Polycast 600 with DG0647R Reinforced Slotted grates with Stainless Steel Edges

    POLYCAST 600 Series Kit with DG0647R Reinforced Slotted Stainless Grate and Edging

    POLYCAST 600 Series Kit with DG0647R Reinforced Slotted Stainless Grate and Edging

    Regular price From $567.82 USD
    Regular price Sale price From $567.82 USD
    Unit price /  per 
  • U100K-GreekKey-boof cast iron deco ironage grate polymer concrete channel ULMA galv edge

    ULMA U100KX Drain Channel w/ Iron Age Greek Key Grate - BoOF

    Sale

    ULMA U100KX Drain Channel w/ Iron Age Greek Key Grate - BoOF

    Regular price From $351.82 USD
    Regular price $385.74 USD Sale price From $351.82 USD
    Unit price /  per 
    Sale
  • New Image Coming Soon

    POLYCAST 700 Series Kit w/ DG0641D-G Slotted Ductile Iron-Galvanized Grate & Ductile Frame

    POLYCAST 700 Series Kit w/ DG0641D-G Slotted Ductile Iron-Galvanized Grate & Ductile Frame

    Regular price From $311.43 USD
    Regular price Sale price From $311.43 USD
    Unit price /  per 
  • 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 
  • ULMA M100V w/Bronze Age™ FERN Ductile Iron Heel-Proof Grate - RAW

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

    Sale

    ULMA M100V w/Bronze Age™ FERN 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
  • NDS 981 Black HDPE 9" Atrium Grate

    NDS 981 Atrium HDPE 9" X 9" Grate - BLACK

    NDS 981 Atrium HDPE 9" X 9" Grate - BLACK

    Regular price $60.63 USD
    Regular price Sale price $60.63 USD
    Unit price /  per 
  • New Image Coming Soon

    ULMA HYDROPLUS w/ 462G Ductile Iron Grate - Class D

    Sale

    ULMA HYDROPLUS w/ 462G Ductile Iron Grate - Class D

    Regular price From $158.10 USD
    Regular price $200.65 USD Sale price From $158.10 USD
    Unit price /  per 
    Sale
  • 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 $205.58 USD
    Regular price Sale price From $205.58 USD
    Unit price /  per 
  • POLYCAST 600 W/ DG0675

    POLYCAST® 600 Series Kit w/ DG0675 Plastic HDPE Grate - Load Class A

    POLYCAST® 600 Series Kit w/ DG0675 Plastic HDPE Grate - Load Class A

    Regular price From $213.22 USD
    Regular price Sale price From $213.22 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 $408.63 USD
    Regular price Sale price From $408.63 USD
    Unit price /  per 
  • ULMA M100KX polymer concrete linear channel with stainless edge and 494 black poly grate

    ULMA M100KX Kit with 494 ADA/Heel-Proof Poly Grate Class A - BLACK

    Sale

    ULMA M100KX Kit with 494 ADA/Heel-Proof Poly Grate Class A - BLACK

    Regular price From $294.98 USD
    Regular price $369.26 USD Sale price From $294.98 USD
    Unit price /  per 
    Sale
  • MAX Mini with Oil Rubbed Veneer Edging with Brushed Bronze Slotted Grate

    TDS™ 3" MAX Mini w/ Brushed Bronze Slotted Grates - Sand Channel

    TDS™ 3" MAX Mini w/ Brushed Bronze Slotted Grates - Sand Channel

    Regular price From $1,198.59 USD
    Regular price Sale price From $1,198.59 USD
    Unit price /  per 
  • POLYCAST 500 Kit w/ Galvanized Edging and DG0620 Cathedral Grate | Class A

    POLYCAST 500 Kit w/ Galvanized Edging and DG0620 Cathedral Grate | Class A

    POLYCAST 500 Kit w/ Galvanized Edging and DG0620 Cathedral Grate | Class A

    Regular price From $369.65 USD
    Regular price Sale price From $369.65 USD
    Unit price /  per 
  • TP0650S-AA-655R

    TV0750S (Shallow) Catch Basin Kit w/ DG0655R for POLYCAST®-Ductile Iron Frame

    TV0750S (Shallow) Catch Basin Kit w/ DG0655R for POLYCAST®-Ductile Iron Frame

    Regular price $820.42 USD
    Regular price Sale price $820.42 USD
    Unit price /  per 
  • MMG-SB-LUNA

    TDS™ 3" Gray MAX Mini w/ Natural Bronze Luna Grate & Satin Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Natural Bronze Luna Grate & Satin Bronze Edge

    Regular price From $1,033.59 USD
    Regular price Sale price From $1,033.59 USD
    Unit price /  per 
  • M100KX ULMA polymer concrete channel with stainless steel edge and Iron Age Baked on Oil Finish Cast Iron grate

    ULMA M100KX Kit with Iron Age Regular Joe Grate – BoOF

    Sale

    ULMA M100KX Kit with Iron Age Regular Joe Grate – BoOF

    Regular price From $711.98 USD
    Regular price $772.21 USD Sale price From $711.98 USD
    Unit price /  per 
    Sale
  • MV+200DI-660

    ULMA MV+200D w/ 660 Ductile Iron 9X20 Slotted Grate Class D

    Sale

    ULMA MV+200D w/ 660 Ductile Iron 9X20 Slotted Grate Class D

    Regular price From $195.77 USD
    Regular price $251.70 USD Sale price From $195.77 USD
    Unit price /  per 
    Sale
  • HYDROPLUS with 497 ADA Mesh Polypropylene Grate Class B

    ULMA HYDROPLUS w/ 497 / PE100KCBM Polypropylene ADA Mesh Grate Load Class B - BLACK

    Sale

    ULMA HYDROPLUS w/ 497 / PE100KCBM Polypropylene ADA Mesh Grate Load Class B - BLACK

    Regular price From $153.41 USD
    Regular price $194.62 USD Sale price From $153.41 USD
    Unit price /  per 
    Sale
  • TP0650S-DG0669-PF Catch Basin w/ Stainless Steel Bar Grate with HDPE Grate

    TV0750S (Shallow) Catch Basin Kit w/ DG0669 for POLYCAST®-HDPE Frame

    TV0750S (Shallow) Catch Basin Kit w/ DG0669 for POLYCAST®-HDPE Frame

    Regular price $1,018.03 USD
    Regular price Sale price $1,018.03 USD
    Unit price /  per 
  • POLY700-PE-675D-TDSdrains HPDE frame cast iron transverse slotted grate polymer concrete channel Polycast

    POLYCAST 700 Series Kit w/ DG0675HD ADA Transverse Slot Ductile Iron Grate & HDPE Frame

    POLYCAST 700 Series Kit w/ DG0675HD ADA Transverse Slot Ductile Iron Grate & HDPE Frame

    Regular price From $285.90 USD
    Regular price Sale price From $285.90 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 $1,526.67 USD
    Regular price Sale price From $1,526.67 USD
    Unit price /  per 
  • FG1244 mesh fiberglass grate for FP1200

    TDS FG1244 Class C Mesh Fiberglass 14" x 48" x 1.5" Grate

    TDS FG1244 Class C Mesh Fiberglass 14" x 48" x 1.5" Grate

    Regular price $742.50 USD
    Regular price Sale price $742.50 USD
    Unit price /  per 
  • POLY600-GS-640R

    POLYCAST®600 Series Kit w/DG0640R Slotted Galvanized Grate and Edging

    POLYCAST®600 Series Kit w/DG0640R Slotted Galvanized Grate and Edging

    Regular price From $392.13 USD
    Regular price Sale price From $392.13 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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