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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
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      • Pour in Place (Concrete)
      • All Channel Materials
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      • All Load Classes
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      • Bronze Age
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      • Zurn
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    • 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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  • MV+200KX-658

    ULMA MV+200KX w/ 658 HP Ductile Iron 9X20 Slotted Grate Class C

    Sale

    ULMA MV+200KX w/ 658 HP Ductile Iron 9X20 Slotted Grate Class C

    Regular price From $250.82 USD
    Regular price $322.48 USD Sale price From $250.82 USD
    Unit price /  per 
    Sale
  • Stainless Steel Perforated 3 inch Mini Channel Grate

    Perforated 316 Stainless Steel Grate 3″x36″ Load Class B

    Perforated 316 Stainless Steel Grate 3″x36″ Load Class B

    Regular price $249.00 USD
    Regular price Sale price $249.00 USD
    Unit price /  per 
  • TP0650S-DG0646R-PF w/ Galvanized Perforated reinforced Grate and HDPE Frame

    TP0750S (Shallow) Catch Basin Kit w/ DG0646RH for POLYCAST®-HDPE Frame

    TP0750S (Shallow) Catch Basin Kit w/ DG0646RH for POLYCAST®-HDPE Frame

    Regular price $471.01 USD
    Regular price Sale price $471.01 USD
    Unit price /  per 
  • ULMA polymer concrete channel with stainless steel edge and Iron Age Greek Key Raw Cast Iron grate

    ULMA M100KX Kit with Iron Age GA5-20I21 Greek Key Grate

    Sale

    ULMA M100KX Kit with Iron Age GA5-20I21 Greek Key Grate

    Regular price From $600.77 USD
    Regular price $662.72 USD Sale price From $600.77 USD
    Unit price /  per 
    Sale
  • DP0650-SS-644SP

    POLYCAST® DP0650 Inline Catch Basin w/FG0644SPH Slotted Fiberglass Grate & SS Edge

    POLYCAST® DP0650 Inline Catch Basin w/FG0644SPH Slotted Fiberglass Grate & SS Edge

    Regular price $594.38 USD
    Regular price Sale price $594.38 USD
    Unit price /  per 
  • POLY700-PE-647R

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

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

    Regular price From $564.21 USD
    Regular price Sale price From $564.21 USD
    Unit price /  per 
  • NDS-244-TDSdrains

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

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

    Regular price $33.30 USD
    Regular price Sale price $33.30 USD
    Unit price /  per 
  • Catch Basin PCK6-CB06S-DG0631 Stainless Steel SLOT

    TV0650S (Shallow) Catch Basin Kit w/ DG0631H for POLYCAST®

    TV0650S (Shallow) Catch Basin Kit w/ DG0631H for POLYCAST®

    Regular price $511.85 USD
    Regular price Sale price $511.85 USD
    Unit price /  per 
  • ZURN Z884 Drainage Kit w/ P4-HPP-BLACK HDPE Grate - Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-BLACK HDPE Grate - Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-BLACK HDPE Grate - Bottom Outlet

    Regular price From $349.18 USD
    Regular price Sale price From $349.18 USD
    Unit price /  per 
  • DG0655R_SS_Wedge_Wire_ClassD

    TDS DG0655R ADA Compliant Reinforced Wedge Wire Stainless Steel 6" x 48" Grate

    TDS DG0655R ADA Compliant Reinforced Wedge Wire Stainless Steel 6" x 48" Grate

    Regular price $420.00 USD
    Regular price Sale price $420.00 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
  • POLY700-PE-644SP polycast 700 with HDPE frame and Fiberglass 644SP grates

    POLYCAST® 700 Vinyl Ester Series Kit w/FG0644SP Fiberglass Slotted Grate & HDPE Frame

    POLYCAST® 700 Vinyl Ester Series Kit w/FG0644SP Fiberglass Slotted Grate & HDPE Frame

    Regular price From $843.09 USD
    Regular price Sale price From $843.09 USD
    Unit price /  per 
  • MV+200DI-658

    ULMA MV+200D w/ 658 HP Ductile Iron Slotted Grate Class C

    Sale

    ULMA MV+200D w/ 658 HP Ductile Iron Slotted Grate Class C

    Regular price From $189.92 USD
    Regular price $244.18 USD Sale price From $189.92 USD
    Unit price /  per 
    Sale
  • PCK6-CB06S-DG0670-SE TDS for Polycast Catch Basin with Stainless Steel edge and a DG0670 Grate

    TV0650S (Shallow) Catch Basin Kit w/ DG0670 & Stainless Edge for POLYCAST®

    TV0650S (Shallow) Catch Basin Kit w/ DG0670 & Stainless Edge for POLYCAST®

    Regular price $514.79 USD
    Regular price Sale price $514.79 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST 500 Series Kit with DG0647R Reinforced Slotted Stainless Grate and HDPE Frame

    POLYCAST 500 Series Kit with DG0647R Reinforced Slotted Stainless Grate and HDPE Frame

    Regular price From $824.02 USD
    Regular price Sale price From $824.02 USD
    Unit price /  per 
  • NDS 542 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - GREEN

    NDS 542 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - GREEN

    NDS 542 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - GREEN

    Regular price $468.47 USD
    Regular price Sale price $468.47 USD
    Unit price /  per 
  • POLY600-SS-675 Polycast 600 Kit with DG0675 Transverse slot HDPE Plastic Grates with a Stainless Steel Edge

    POLYCAST® 600 Vinyl Ester Series Kit with DG0675 Slotted HDPE Grate & Stainless Edge

    POLYCAST® 600 Vinyl Ester Series Kit with DG0675 Slotted HDPE Grate & Stainless Edge

    Regular price From $357.41 USD
    Regular price Sale price From $357.41 USD
    Unit price /  per 
  • POLY500-AA-692-TDSdrains cast iron frame with Patriot cast iron grate shallow POLYCAST polymer concrete channel

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

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

    Regular price From $574.94 USD
    Regular price Sale price From $574.94 USD
    Unit price /  per 
  • POLYCAST 600-xx-DG0647R

    POLYCAST® 600 Vinyl Ester Series Kit with DG0647R Reinforced Stainless Slotted Grate

    POLYCAST® 600 Vinyl Ester Series Kit with DG0647R Reinforced Stainless Slotted Grate

    Regular price From $627.42 USD
    Regular price Sale price From $627.42 USD
    Unit price /  per 
  • TP0650S Catch basin with DG0647 SS Slotted Grate and SS Edging

    TV0650S (Shallow) Catch Basin Kit w/ DG0647H & Stainless Edge for POLYCAST®

    TV0650S (Shallow) Catch Basin Kit w/ DG0647H & Stainless Edge for POLYCAST®

    Regular price $609.70 USD
    Regular price Sale price $609.70 USD
    Unit price /  per 
  • POLYCAST®500 Series Kit w/ DG0655R Wedge Wire Grate | Load Class C

    POLYCAST®500 Series Kit w/ DG0655R Wedge Wire Grate | Load Class C

    POLYCAST®500 Series Kit w/ DG0655R Wedge Wire Grate | Load Class C

    Regular price From $640.68 USD
    Regular price Sale price From $640.68 USD
    Unit price /  per 
  • NDS-240-TDSdrains

    NDS 240 Class B ADA Compliant Slotted HDPE 4" x 24" Grate - WHITE

    NDS 240 Class B ADA Compliant Slotted HDPE 4" x 24" Grate - WHITE

    Regular price $38.43 USD
    Regular price Sale price $38.43 USD
    Unit price /  per 
  • NDS242-green-slotted-grate Spee-D channel

    NDS 242 Class B ADA Compliant Slotted HDPE 4" x 24" Grate - GREEN

    NDS 242 Class B ADA Compliant Slotted HDPE 4" x 24" Grate - GREEN

    Regular price $38.43 USD
    Regular price Sale price $38.43 USD
    Unit price /  per 
  • NDS-Dura-DI-232-TDSdrains

    NDS® Dura Slope Kit with DS-232 Ductile Iron Grate and Frame

    NDS® Dura Slope Kit with DS-232 Ductile Iron Grate and Frame

    Regular price From $624.96 USD
    Regular price Sale price From $624.96 USD
    Unit price /  per 
  • NDS1800-Catch-Basin-blk-grate

    NDS 18" Catch Basin Kit with NDS Slotted Grate | Black

    NDS 18" Catch Basin Kit with NDS Slotted Grate | Black

    Regular price From $579.94 USD
    Regular price Sale price From $579.94 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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