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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
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      • Fiberglass
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      • All Channel Materials
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    • Popular Manufacturers
      • TDS
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      • Zurn
      • All Manufacturers
    • Popular Drainage Systems
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      • FP1200
      • Mini Channel
      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
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  • Gray Slot Slim Channel Grate

    NDS Slim Channel 9243 Class A Plastic Slotted 2" x 36" Grate - GRAY

    NDS Slim Channel 9243 Class A Plastic Slotted 2" x 36" Grate - GRAY

    Regular price $17.67 USD
    Regular price Sale price $17.67 USD
    Unit price /  per 
  • NDS Slim Channel Kit with Sand Chain Grate

    NDS Slim Channel Kit with NDS 9262 Chain Grate - SAND

    NDS Slim Channel Kit with NDS 9262 Chain Grate - SAND

    Regular price From $84.60 USD
    Regular price Sale price From $84.60 USD
    Unit price /  per 
  • NDS5380-S Sand Mini Channel 90 Degree

    NDS 5380 -S 90 Degree Elbow for TDS™ Sand Mini Channel - NO GRATE

    NDS 5380 -S 90 Degree Elbow for TDS™ Sand Mini Channel - NO GRATE

    Regular price $51.74 USD
    Regular price Sale price $51.74 USD
    Unit price /  per 
  • MCK-IA-RAIN-HP NDS Mini Channel Kit in Gray with Iron Age Rain Grates in Raw iron

    NDS 3″ Gray Mini Channel Kit with Iron Age Rain Grate – RAW

    NDS 3″ Gray Mini Channel Kit with Iron Age Rain Grate – RAW

    Regular price From $587.08 USD
    Regular price Sale price From $587.08 USD
    Unit price /  per 
  • NDS-246-TDSdrains

    NDS 246 Spigot End Outlet for NDS® Spee-D Channel 2" Sch. 40 SPT

    NDS 246 Spigot End Outlet for NDS® Spee-D Channel 2" Sch. 40 SPT

    Regular price $16.16 USD
    Regular price Sale price $16.16 USD
    Unit price /  per 
  • MCKS-540B Black Slotted Grate Mini Channel

    NDS 3" Sand Mini Channel Kit with NDS Slotted Grate - Black

    NDS 3" Sand Mini Channel Kit with NDS Slotted Grate - Black

    Regular price From $92.75 USD
    Regular price Sale price From $92.75 USD
    Unit price /  per 
  • NDS915-galv-steel-grate

    NDS 915 Class C HD Bar Galvanized 9" x 9" Grate

    NDS 915 Class C HD Bar Galvanized 9" x 9" Grate

    Regular price $87.54 USD
    Regular price Sale price $87.54 USD
    Unit price /  per 
  • 3" NDS Sand Mini Channel End Outlet MCKS-546-TDSdrains

    NDS 546S Mini Channel End Outlet - SAND

    NDS 546S Mini Channel End Outlet - SAND

    Regular price $12.63 USD
    Regular price Sale price $12.63 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 
  • NDS-Dura-XX-Loc-DK cast iron deco grate hpde channel

    NDS Dura Slope Kit with IA-LOC-0624 Cast Iron Locust Grate | Natural

    NDS Dura Slope Kit with IA-LOC-0624 Cast Iron Locust Grate | Natural

    Regular price From $886.21 USD
    Regular price Sale price From $886.21 USD
    Unit price /  per 
  • MCK-IA-RAIN-HP-BF NDS Mini Channel Kit in Gray with Iron Age Rain BoOF Ductile Iron Grate

    NDS 3″ Gray Mini Channel Kit with Iron Age Rain Grate – Baked on Oil Finish

    NDS 3″ Gray Mini Channel Kit with Iron Age Rain Grate – Baked on Oil Finish

    Regular price From $793.00 USD
    Regular price Sale price From $793.00 USD
    Unit price /  per 
  • NDS 881 8 in grate

    NDS 881 Class A ADA Compliant Slotted HDPE 8" x 8" Grate - BLACK

    NDS 881 Class A ADA Compliant Slotted HDPE 8" x 8" Grate - BLACK

    Regular price $19.48 USD
    Regular price Sale price $19.48 USD
    Unit price /  per 
  • NDS-251-TDSdrains

    NDS 251 Class B ADA Compliant Slotted HDPE 4" x 24" Grate - BRICK RED

    NDS 251 Class B ADA Compliant Slotted HDPE 4" x 24" Grate - BRICK RED

    Regular price $41.42 USD
    Regular price Sale price $41.42 USD
    Unit price /  per 
  • NDS 991 Green HDPE 9" Atrium Grate

    NDS 991 Atrium HDPE 9" X 9" Grate - GREEN

    NDS 991 Atrium HDPE 9" X 9" Grate - GREEN

    Regular price $60.63 USD
    Regular price Sale price $60.63 USD
    Unit price /  per 
  • NDS 3" Sand Mini Channel End Caps MCKS-547-TDSdrains

    NDS 547S Mini Channel End Cap - SAND

    NDS 547S Mini Channel End Cap - SAND

    Regular price $12.63 USD
    Regular price Sale price $12.63 USD
    Unit price /  per 
  • NDS5383-90elbow-sand

    NDS 5383 Mini Channel 90 Degree Elbow with Gray Channel and Sand Slotted Grate

    NDS 5383 Mini Channel 90 Degree Elbow with Gray Channel and Sand Slotted Grate

    Regular price $57.84 USD
    Regular price Sale price $57.84 USD
    Unit price /  per 
  • NDS Mini Channel with Natural Bronze Slotted Grate MCK-BA-SLOT

    NDS 3" Gray Mini Channel Kit with TDS Bronze Age Slotted Grate - Natural

    NDS 3" Gray Mini Channel Kit with TDS Bronze Age Slotted Grate - Natural

    Regular price From $1,012.40 USD
    Regular price Sale price From $1,012.40 USD
    Unit price /  per 
  • NDS-227-end-outlet Dura Slope NDS

    DS-227 End Outlet for NDS Dura Slope

    DS-227 End Outlet for NDS Dura Slope

    Regular price $29.59 USD
    Regular price Sale price $29.59 USD
    Unit price /  per 
  • NDS 885-12x20-CI-grate

    NDS 885 Class C Slotted Cast Iron 12" x 20" Grate

    NDS 885 Class C Slotted Cast Iron 12" x 20" Grate

    Regular price $357.55 USD
    Regular price Sale price $357.55 USD
    Unit price /  per 
  • NDS® Slim Channel 9263 Class A Plastic Chain Deco 2" x 36" Grate - GRAY

    NDS® Slim Channel 9263 Class A Plastic Chain Deco 2" x 36" Grate - GRAY

    NDS® Slim Channel 9263 Class A Plastic Chain Deco 2" x 36" Grate - GRAY

    Regular price $21.22 USD
    Regular price Sale price $21.22 USD
    Unit price /  per 
  • nds542-green-slotted-grate-TDS

    NDS 542 Class B ADA Compliant Heel-Proof HDPE 3" x 36" Grate - GREEN

    NDS 542 Class B ADA Compliant Heel-Proof HDPE 3" x 36" Grate - GREEN

    Regular price $29.28 USD
    Regular price Sale price $29.28 USD
    Unit price /  per 
  • NDS 813 Pro Series 5 End Outlet

    NDS 813 Pro Series 5 End Outlet

    NDS 813 Pro Series 5 End Outlet

    Regular price $14.18 USD
    Regular price Sale price $14.18 USD
    Unit price /  per 
  • NDS-839-SS-FHMS-40 NDS 839 STAINLESS STEEL FLAT HEAD SCEWS BAG OF 40

    NDS 839 Screws for Pro Series 5 and Spee-D QTY-40

    NDS 839 Screws for Pro Series 5 and Spee-D QTY-40

    Regular price $12.42 USD
    Regular price Sale price $12.42 USD
    Unit price /  per 
  • White Square Slim Channel Grate

    NDS Slim Channel 9251 Class A Plastic Square Deco 2" x 36" Grate - WHITE

    NDS Slim Channel 9251 Class A Plastic Square Deco 2" x 36" Grate - WHITE

    Regular price $21.22 USD
    Regular price Sale price $21.22 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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