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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
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      • Load Class D
      • Load Class E
      • Load Class F
      • All Load Classes
  • Grates
    • 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
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  • NDS 3" Gray Mini Channel Kit with TDS Bronze Age Bars Grate - Natural

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

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

    Regular price From $465.44 USD
    Regular price Sale price From $465.44 USD
    Unit price /  per 
  • 3" NDS Sand Mini Channel Coupler MCKS-548-TDSdrains

    NDS 548S Mini Channel Coupler - SAND

    NDS 548S Mini Channel Coupler - SAND

    Regular price $14.22 USD
    Regular price Sale price $14.22 USD
    Unit price /  per 
  • NDS 900 009

    NDS 999 Class A ADA Compliant Slotted HDPE 9" x 9" Grate - GRAY

    NDS 999 Class A ADA Compliant Slotted HDPE 9" x 9" Grate - GRAY

    Regular price $49.51 USD
    Regular price Sale price $49.51 USD
    Unit price /  per 
  • LPK12-IA-LOC-BF NDS Low Profile 12" Iron Age Baked on Oil Finish Cast Iron Catch Basin grate in Locust

    NDS 12" Low Profile Catch Basin Kit w/Iron Age Locust Grate | Baked on Oil Finish

    NDS 12" Low Profile Catch Basin Kit w/Iron Age Locust Grate | Baked on Oil Finish

    Regular price From $362.35 USD
    Regular price Sale price From $362.35 USD
    Unit price /  per 
  • NDS-Dura-XX-603-TDSdrains cast iron tile grate hpde channel nds

    NDS® Dura Slope Kit with DS-603 Cast Iron Tile Grate - RAW

    NDS® Dura Slope Kit with DS-603 Cast Iron Tile Grate - RAW

    Regular price From $539.77 USD
    Regular price Sale price From $539.77 USD
    Unit price /  per 
  • NDS 1211 Class B ADA Compliant Slotted HDPE 12" x 12" Grate - BLACK

    NDS 1211 Class B ADA Compliant Slotted HDPE 12" x 12" Grate - BLACK

    NDS 1211 Class B ADA Compliant Slotted HDPE 12" x 12" Grate - BLACK

    Regular price $60.34 USD
    Regular price Sale price $60.34 USD
    Unit price /  per 
  • NDS-mini-555GR-TDSdrains

    NDS 3" Gray Mini Channel Kit with NDS Wave Grate - Green

    NDS 3" Gray Mini Channel Kit with NDS Wave Grate - Green

    Regular price From $94.73 USD
    Regular price Sale price From $94.73 USD
    Unit price /  per 
  • NDS16 3" Round Grate in Green Polypropylene

    NDS® 16 Round 3" Grate for Drain Pipe

    NDS® 16 Round 3" Grate for Drain Pipe

    Regular price $5.26 USD
    Regular price Sale price $5.26 USD
    Unit price /  per 
  • NDS-Dura-XX-604-TDSdrains deco cast iron brick grate HPDE channel NDS

    NDS® Dura Slope Kit with DS-604 Cast Iron Brick Grate | RAW

    NDS® Dura Slope Kit with DS-604 Cast Iron Brick Grate | RAW

    Regular price From $539.77 USD
    Regular price Sale price From $539.77 USD
    Unit price /  per 
  • DSK-IA-INTER NDS Duraslope with Iron Age Interlaken grate

    NDS Dura Slope Kit w/Iron Age Interlaken Grate - RAW

    NDS Dura Slope Kit w/Iron Age Interlaken Grate - RAW

    Regular price From $886.21 USD
    Regular price Sale price From $886.21 USD
    Unit price /  per 
  • LPK12-IA-SUN NDS Low Profile 12" Catch Basin with Iron Age Raw Cast Iron Sun Grate

    NDS 12″ Low Profile Catch Basin Kit with Iron Age Sun Grate | Natural

    NDS 12″ Low Profile Catch Basin Kit with Iron Age Sun Grate | Natural

    Regular price From $286.56 USD
    Regular price Sale price From $286.56 USD
    Unit price /  per 
  • LPK12-IA-OBLIO-HP-BF NDS Low Profile Catch Basin with Iron Age Oblio Raw Grate 12x12"

    NDS 12" Low Profile Catch Basin Kit with HP Oblio Grate | Baked on Oil Finish

    NDS 12" Low Profile Catch Basin Kit with HP Oblio Grate | Baked on Oil Finish

    Regular price From $362.35 USD
    Regular price Sale price From $362.35 USD
    Unit price /  per 
  • NDS 3" & 4" Offset End Outlet NDS249

    3" & 4" Offset End Outlet for NDS® Spee-D Channel

    3" & 4" Offset End Outlet for NDS® Spee-D Channel

    Regular price $9.77 USD
    Regular price Sale price $9.77 USD
    Unit price /  per 
  • NDS1888 universal locking outlet

    NDS 1888 Universal Locking Outlet - 8"

    NDS 1888 Universal Locking Outlet - 8"

    Regular price $25.18 USD
    Regular price Sale price $25.18 USD
    Unit price /  per 
  • Spee-D BA Transverse Slotted Galvanized Grate

    Bronze Age™ TDS-SLOT-0424 Galvanized Steel 4.09" x 24" Grate

    Bronze Age™ TDS-SLOT-0424 Galvanized Steel 4.09" x 24" Grate

    Regular price $62.70 USD
    Regular price Sale price $62.70 USD
    Unit price /  per 
  • Slim Channel Bottom Outlet 9250

    NDS 9250 Slim Channel Bottom Outlet

    NDS 9250 Slim Channel Bottom Outlet

    Regular price $6.76 USD
    Regular price Sale price $6.76 USD
    Unit price /  per 
  • Dura Slope with 602K Baked on Oil Finish

    NDS® Dura Slope Kit with DS-602-BF Cast Iron Diamond Grate - BoOF

    NDS® Dura Slope Kit with DS-602-BF Cast Iron Diamond Grate - BoOF

    Regular price From $592.57 USD
    Regular price Sale price From $592.57 USD
    Unit price /  per 
  • 9x9-cb-kit-lp-ci-grate-interlaken-1024x768-Recovered

    NDS 930 Low Profile 9" Catch Basin Kit with Iron Age Interlaken Grate | Natural

    NDS 930 Low Profile 9" Catch Basin Kit with Iron Age Interlaken Grate | Natural

    Regular price From $247.31 USD
    Regular price Sale price From $247.31 USD
    Unit price /  per 
  • NDS-24x24CB-IA-LOC-DK raw iron age grate nds catch basin

    NDS 24" Catch Basin Kit with Iron age Locust Grate | Natural

    NDS 24" Catch Basin Kit with Iron age Locust Grate | Natural

    Regular price From $1,517.47 USD
    Regular price Sale price From $1,517.47 USD
    Unit price /  per 
  • NDS-Dura-601-DK weave deco cast iron

    NDS Dura Slope Kit with DS-601 Cast Iron Weave Grate-RAW

    NDS Dura Slope Kit with DS-601 Cast Iron Weave Grate-RAW

    Regular price From $539.77 USD
    Regular price Sale price From $539.77 USD
    Unit price /  per 
  • NDS-Dura-XX-665-TDSdrains NDS Dura Slope with Brick Red 665 Grates

    NDS Dura Slope Kit with DS-665 HDPE Slotted Grate | Brick Red

    NDS Dura Slope Kit with DS-665 HDPE Slotted Grate | Brick Red

    Regular price From $426.40 USD
    Regular price Sale price From $426.40 USD
    Unit price /  per 
  • NDS629 Dura Slope Screws

    NDS-629 Screws for Dura Slope Grates

    NDS-629 Screws for Dura Slope Grates

    Regular price $57.96 USD
    Regular price Sale price $57.96 USD
    Unit price /  per 
  • Mini Channel-with Natural Interlaken grate

    NDS 3" Gray Mini Channel Kit with Iron Age Interlaken Grate - Natural

    NDS 3" Gray Mini Channel Kit with Iron Age Interlaken Grate - Natural

    Regular price From $587.08 USD
    Regular price Sale price From $587.08 USD
    Unit price /  per 
  • NDS 12" Low Profile Catch Basin Kit w/FG-MICRO Fiberglass Micro Mesh Grate

    NDS 12" Low Profile Catch Basin Kit w/FG-MICRO Fiberglass Micro Mesh Grate

    NDS 12" Low Profile Catch Basin Kit w/FG-MICRO Fiberglass Micro Mesh Grate

    Regular price From $176.87 USD
    Regular price Sale price From $176.87 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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