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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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      • Fiberglass
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      • All Channel Materials
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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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      • Bronze
      • Ductile/Cast Iron
      • Fiberglass
      • Galvanized Steel
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  • NDS900-4-Catch-Basin (1)

    NDS 9" Catch Basin Kit with NDS Slotted Grate | Sand

    NDS 9" Catch Basin Kit with NDS Slotted Grate | Sand

    Regular price From $105.27 USD
    Regular price Sale price From $105.27 USD
    Unit price /  per 
  • POLY600-DG0620-GE Cathedral Galv

    POLYCAST 600 Series Kit with DG0620 Galvanized Grate w/ Edging | Load Class A

    POLYCAST 600 Series Kit with DG0620 Galvanized Grate w/ Edging | Load Class A

    Regular price From $331.17 USD
    Regular price Sale price From $331.17 USD
    Unit price /  per 
  • NDS900-4-Catch-Basin (1)

    NDS 9" Catch Basin Kit with NDS Slotted Grate | Green

    NDS 9" Catch Basin Kit with NDS Slotted Grate | Green

    Regular price From $103.50 USD
    Regular price Sale price From $103.50 USD
    Unit price /  per 
  • POLYCAST 600 with DG0631 Stainless Steel SLOT grate

    POLYCAST 600 Series Kit w/ DG0631 Slotted Stainless Steel Grate | Load Class A

    POLYCAST 600 Series Kit w/ DG0631 Slotted Stainless Steel Grate | Load Class A

    Regular price From $291.67 USD
    Regular price Sale price From $291.67 USD
    Unit price /  per 
  • POLYCST 600 with DG0623 Galv Edge and Galv SQUARE DECO grate

    POLYCAST 600 Series Kit w/ DG0623 Square Deco Galvanized Steel Class A Grate and Edging

    POLYCAST 600 Series Kit w/ DG0623 Square Deco Galvanized Steel Class A Grate and Edging

    Regular price From $275.54 USD
    Regular price Sale price From $275.54 USD
    Unit price /  per 
  • POLY600-xx-669-TDSdrain stainless steel bar grate polymer concrete channel Polycast

    POLYCAST® 600 Vinyl Ester Series Kit w/ DG0669 Stainless Bar Grate

    POLYCAST® 600 Vinyl Ester Series Kit w/ DG0669 Stainless Bar Grate

    Regular price From $756.92 USD
    Regular price Sale price From $756.92 USD
    Unit price /  per 
  • PCK6-DG0632-SE Stainless Steel Foam Perforated with Edging

    POLYCAST 600 Series Kit w/ Load Class A DG0632 Foam Perforated Stainless Steel Grates & Edging

    POLYCAST 600 Series Kit w/ Load Class A DG0632 Foam Perforated Stainless Steel Grates & Edging

    Regular price From $405.10 USD
    Regular price Sale price From $405.10 USD
    Unit price /  per 
  • POLYCAST 600 with DG0621 Galv Slot

    POLYCAST®600 Kit w/DG0621 Transverse Slot Galvanized Steel Grate | Load Class A

    POLYCAST®600 Kit w/DG0621 Transverse Slot Galvanized Steel Grate | Load Class A

    Regular price From $286.38 USD
    Regular price Sale price From $286.38 USD
    Unit price /  per 
  • POLY600-GS-692-TDSdrains cast iron patriot grate galv steel edge polymer concrete channel Polycast

    POLYCAST® 600 Series Kit w/ DG0692 Patriot Ductile Iron Grate & Galvanized Edging

    POLYCAST® 600 Series Kit w/ DG0692 Patriot Ductile Iron Grate & Galvanized Edging

    Regular price From $341.70 USD
    Regular price Sale price From $341.70 USD
    Unit price /  per 
  • POLY700-PE-657R

    POLYCAST® 700 Kit w/DG0657R Stainless Perforated Grate & HDPE Frame

    POLYCAST® 700 Kit w/DG0657R Stainless Perforated Grate & HDPE Frame

    Regular price From $474.99 USD
    Regular price Sale price From $474.99 USD
    Unit price /  per 
  • FG-MICRO-CB09 fiberglass catch basin 9 inch fiberglass grate

    FG-MICRO-CB09 Class A ADA Compliant 9" x 9" Grate - Dark Gray

    FG-MICRO-CB09 Class A ADA Compliant 9" x 9" Grate - Dark Gray

    Regular price $52.78 USD
    Regular price Sale price $52.78 USD
    Unit price /  per 
  • NDS1213 12" Catch basin Grate in Slotted Cast Iron

    NDS 1213 Class C Slotted Cast Iron 12" x 12" Grate

    NDS 1213 Class C Slotted Cast Iron 12" x 12" Grate

    Regular price $218.04 USD
    Regular price Sale price $218.04 USD
    Unit price /  per 
  • POLYCAST 700 PE FRAME 640R

    POLYCAST®700 Kit w/DG0640R Reinforced Galvanized Slotted Grate & HDPE Frame

    POLYCAST®700 Kit w/DG0640R Reinforced Galvanized Slotted Grate & HDPE Frame

    Regular price From $412.91 USD
    Regular price Sale price From $412.91 USD
    Unit price /  per 
  • 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 $238.63 USD
    Regular price Sale price From $238.63 USD
    Unit price /  per 
  • NDS1243 4in/3in combo outlet

    NDS 1243 Universal Locking Outlet 3"and 4" for NDS Catch Basins

    NDS 1243 Universal Locking Outlet 3"and 4" for NDS Catch Basins

    Regular price $9.01 USD
    Regular price Sale price $9.01 USD
    Unit price /  per 
  • POLYCAST 600 with DG0630 Stainless steel Cathedral Grate

    POLYCAST 600 Series Kit w/ DG0630 Cathedral Stainless Steel Grate | Load Class A

    POLYCAST 600 Series Kit w/ DG0630 Cathedral Stainless Steel Grate | Load Class A

    Regular price From $347.16 USD
    Regular price Sale price From $347.16 USD
    Unit price /  per 
  • Iron Age Janis 24x24 catch basin cast iron grate

    Iron Age IA-JANIS-CB24-BF / JN24-24|14 Class B Janis Cast Iron 24" x 24" Grate - BoOF

    Iron Age IA-JANIS-CB24-BF / JN24-24|14 Class B Janis Cast Iron 24" x 24" Grate - BoOF

    Regular price $908.05 USD
    Regular price Sale price $908.05 USD
    Unit price /  per 
  • PCK6-DG0622-GE Galvanized Foam Perforated with Edging

    POLYCAST® 600 Series Kit w/DG0622 Perforated Galvanized Grate w/ Edging | Load Class A

    POLYCAST® 600 Series Kit w/DG0622 Perforated Galvanized Grate w/ Edging | Load Class A

    Regular price From $285.71 USD
    Regular price Sale price From $285.71 USD
    Unit price /  per 
  • POLY600-SS-641D-TDSdrains stainless steel edge slotted cast iron grate polymer concrete channel Polycast

    POLYCAST 600 Series Kit with DG0641D Slotted Ductile Iron Grate and Galvanized Edging

    POLYCAST 600 Series Kit with DG0641D Slotted Ductile Iron Grate and Galvanized Edging

    Regular price From $275.16 USD
    Regular price Sale price From $275.16 USD
    Unit price /  per 
  • 24 inch Iron Age Interlaken Raw Cast Iron Grate Raw

    Iron Age IA-INTER-CB24 (IX24-24|99FW) Class B Interlaken Cast Iron 24" x 24" Grate - RAW

    Iron Age IA-INTER-CB24 (IX24-24|99FW) Class B Interlaken Cast Iron 24" x 24" Grate - RAW

    Regular price $1,156.87 USD
    Regular price Sale price $1,156.87 USD
    Unit price /  per 
  • NDS101 Spee-D Basin 1 outlet (3"/4")

    6" Spee-D Basin 1 Outlet by NDS®

    6" Spee-D Basin 1 Outlet by NDS®

    Regular price $25.21 USD
    Regular price Sale price $25.21 USD
    Unit price /  per 
  • POLY600-XX-692-DK cast iron patriot grate polymer concrete channel Polycast

    POLYCAST 600 Series Kit with DG0692 Patriot Ductile Iron Grate

    POLYCAST 600 Series Kit with DG0692 Patriot Ductile Iron Grate

    Regular price From $297.97 USD
    Regular price Sale price From $297.97 USD
    Unit price /  per 
  • POLYCST 600-SS Edge and DG0633 SS SQUARE DECO grate

    POLYCAST®600 Kit w/DG0633 Square Deco Perf Stainless Steel Grate & Edging | Load Class A

    POLYCAST®600 Kit w/DG0633 Square Deco Perf Stainless Steel Grate & Edging | Load Class A

    Regular price From $405.10 USD
    Regular price Sale price From $405.10 USD
    Unit price /  per 
  • NDS 1245 3" and 4" Offset Universal Outlet

    NDS 1245 Universal Offset Adapter 3"-4" Outlet

    NDS 1245 Universal Offset Adapter 3"-4" Outlet

    Regular price $10.49 USD
    Regular price Sale price $10.49 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 HYDROPLUS Mini w/ BARS Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ BARS Ductile Iron Grate Class C

    $237.16 $183.00
  • ULMA HYDROPLUS Mini w/ FERN Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ FERN Ductile Iron Grate Class C

    $237.16 $183.00
  • ULMA HYDROPLUS Mini w/ CATHEDRAL Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ CATHEDRAL Ductile Iron Grate Class C

    $237.16 $183.00
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