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Drainage Kits
  • Shop All
  • 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
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    • 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
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      • Bronze
      • Ductile/Cast Iron
      • Fiberglass
      • Galvanized Steel
      • Plastic
      • Stainless Steel
      • All Grate Materials
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  • New Image Coming Soon

    Zurn ZF806 Flo-Thru® Drain with P6-HPP Black HDPE Grate - HD Z Frame

    Zurn ZF806 Flo-Thru® Drain with P6-HPP Black HDPE Grate - HD Z Frame

    Regular price From $2,383.80 USD
    Regular price Sale price From $2,383.80 USD
    Unit price /  per 
  • 420 ULMA slotted galvanized steel grate

    ULMA 421 / GN100KCAM Class A Slotted Galvanized Steel 122mm x 500mm Grate

    Sale

    ULMA 421 / GN100KCAM Class A Slotted Galvanized Steel 122mm x 500mm Grate

    Regular price $21.38 USD
    Regular price $27.49 USD Sale price $21.38 USD
    Unit price /  per 
    Sale
  • POLY600-xx-675D-TDsdrains cast iron transverse ada grate polymer concrete channel Polycast

    POLYCAST 600 Series Kit with DG0675HD ADA Transverse Slotted Ductile Iron Grate

    POLYCAST 600 Series Kit with DG0675HD ADA Transverse Slotted Ductile Iron Grate

    Regular price From $223.24 USD
    Regular price Sale price From $223.24 USD
    Unit price /  per 
  • New Image Coming Soon

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

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

    Regular price From $3,095.80 USD
    Regular price Sale price From $3,095.80 USD
    Unit price /  per 
  • FPK-DG3048R-S Trench•Era™ FP Series with stainless edge and galvanized bar grate

    Trench•Era™ FP Series Drain System w/DG3048R 8" Wide Galvanized Bar Grate - MD Stainless Steel Frame

    Trench•Era™ FP Series Drain System w/DG3048R 8" Wide Galvanized Bar Grate - MD Stainless Steel Frame

    Request quote
  • FPK-FG1245-G

    Trench•Era™ FP Series Drain System w/FG1245 14" Wide Class A Grate - MD Galvanized Frame

    Trench•Era™ FP Series Drain System w/FG1245 14" Wide Class A Grate - MD Galvanized Frame

    Request quote
  • 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

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

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

    Regular price From $2,495.80 USD
    Regular price Sale price From $2,495.80 USD
    Unit price /  per 
  • DA0542H Side

    TDS-POLYCAST DA0542H Hold-Down Device for 500 Series Galvanized Grates

    TDS-POLYCAST DA0542H Hold-Down Device for 500 Series Galvanized Grates

    Regular price $18.30 USD
    Regular price Sale price $18.30 USD
    Unit price /  per 
  • FPK-DG3044-G

    Trench•Era™ FP Series Drain System w/FG3044 8" Wide VE Fiberglass I-BAR Grate - HD Galvanized Frame

    Trench•Era™ FP Series Drain System w/FG3044 8" Wide VE Fiberglass I-BAR Grate - HD Galvanized Frame

    Request quote
  • FPK-FG1248R-G

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

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

    Request quote
  • FPK-FG1247R-G

    Trench•Era™ FP Series Drain System w/DG1247R 14" Wide Class C Grate - MD Galvanized Frame

    Trench•Era™ FP Series Drain System w/DG1247R 14" Wide Class C Grate - MD Galvanized Frame

    Request quote
  • NDS-Dura-Slope-221 galvanized steel grate dura slope channel

    NDS Dura Slope Kit with DS-221 Galvanized Slotted Grate

    NDS Dura Slope Kit with DS-221 Galvanized Slotted Grate

    Regular price From $450.06 USD
    Regular price Sale price From $450.06 USD
    Unit price /  per 
  • FPK-DG3048R-S Trench•Era™ FP Series with stainless edge and galvanized bar grate

    Trench•Era™ FP Series Drain System w/DG3048R 8" Wide Galvanized Bar Grate - HD Stainless Steel Frame

    Trench•Era™ FP Series Drain System w/DG3048R 8" Wide Galvanized Bar Grate - HD Stainless Steel Frame

    Request quote
  • FPK-FG1242-G

    Trench•Era™ FP Series Drain System w/DG1242 14" Wide Class E Grate - HD Galvanized Frame

    Trench•Era™ FP Series Drain System w/DG1242 14" Wide Class E Grate - HD Galvanized Frame

    Request quote
  • FPK-FG1275-G

    Trench•Era™ FP Series Drain System w/DG1275 14" Wide Class E Grate - HD Galvanized Frame

    Trench•Era™ FP Series Drain System w/DG1275 14" Wide Class E Grate - HD Galvanized Frame

    Request quote
  • ULMA M100K Drain Channel kit w/Bronze Age™ BARS Grate-RAW

    ULMA M100K Drain Channel kit w/Bronze Age™ BARS Grate-RAW

    Sale

    ULMA M100K Drain Channel kit w/Bronze Age™ BARS Grate-RAW

    Regular price From $351.07 USD
    Regular price $391.38 USD Sale price From $351.07 USD
    Unit price /  per 
    Sale
  • HW FGDI Locking Device for FP1200

    HW FGDI Locking Device for FP1200 Series Ductile Iron & Galvanized Grates

    HW FGDI Locking Device for FP1200 Series Ductile Iron & Galvanized Grates

    Regular price $8.28 USD
    Regular price Sale price $8.28 USD
    Unit price /  per 
  • BA-SLOT-0336 Stainless Steel Slot 3x36

    Bronze Age TDS-SLOT-0336-L Slotted 316L Stainless Steel 3″x36″ Grate Load Class B

    Bronze Age TDS-SLOT-0336-L Slotted 316L Stainless Steel 3″x36″ Grate Load Class B

    Regular price $249.00 USD
    Regular price Sale price $249.00 USD
    Unit price /  per 
  • ULMA U100K with 488 Vinyl Ester 0.6 FRP Grate

    ULMA U100K Drainage Kit with TDS Vinyl Ester Bar Grate 0.6" on Center

    Sale

    ULMA U100K Drainage Kit with TDS Vinyl Ester Bar Grate 0.6" on Center

    Regular price From $494.84 USD
    Regular price $626.23 USD Sale price From $494.84 USD
    Unit price /  per 
    Sale
  • NDS Dura Slope Inline Catch Basin with DS-228 Grate

    NDS® Dura Slope In-Line Catch Basin with DS-228 Perforated Galvanized Steel - ADA Compliant

    NDS® Dura Slope In-Line Catch Basin with DS-228 Perforated Galvanized Steel - ADA Compliant

    Regular price From $647.14 USD
    Regular price Sale price From $647.14 USD
    Unit price /  per 
  • ULMA U100K Drain Channel kit w/ Bronze Age™ Luna Grate-RAW

    ULMA U100K Drain Channel kit w/ Bronze Age™ Luna Grate-RAW

    Sale

    ULMA U100K Drain Channel kit w/ Bronze Age™ Luna Grate-RAW

    Regular price From $155.28 USD
    Regular price $174.64 USD Sale price From $155.28 USD
    Unit price /  per 
    Sale
  • ULMA M100K Drain Channel kit w/Bronze Age™ FERN Grate-RAW

    ULMA M100K Drain Channel kit w/Bronze Age™ FERN Grate-RAW

    Sale

    ULMA M100K Drain Channel kit w/Bronze Age™ FERN Grate-RAW

    Regular price From $351.07 USD
    Regular price $391.38 USD Sale price From $351.07 USD
    Unit price /  per 
    Sale
  • J-4222-01 Heavy Duty Cast Iron 12" x 24" x 1.5" Grate | D&L Foundry

    J-4222-01 Heavy Duty Cast Iron 12" x 24" x 1.5" Grate | D&L Foundry

    J-4222-01 Heavy Duty Cast Iron 12" x 24" x 1.5" Grate | D&L Foundry

    Regular price $230.80 USD
    Regular price Sale price $230.80 USD
    Unit price /  per 
  • ZURN P6-RPSC Reinforced Perforated Stainless Steel Class C Grate

    ZURN P6-RPSC Reinforced Perforated Stainless Steel Class C Grate

    ZURN P6-RPSC Reinforced Perforated Stainless Steel Class C Grate

    Regular price $673.60 USD
    Regular price Sale price $673.60 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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