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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
    • Channel Materials
      • Fiberglass
      • Plastic
      • Polymer Concrete
      • Stainless Steel
      • Pour in Place (Concrete)
      • All Channel Materials
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      • 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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      • Ductile/Cast Iron
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  • ULMA D100_0.6 Vinyl Ester FRP 488 Grate

    ULMA D100 Drain Channel w/488 Slotted Fiberglass Grate - Class C

    Sale

    ULMA D100 Drain Channel w/488 Slotted Fiberglass Grate - Class C

    Regular price From $478.41 USD
    Regular price $553.91 USD Sale price From $478.41 USD
    Unit price /  per 
    Sale
  • MMG-SB-TAR-B

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze Tardis Grate & Satin Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze Tardis Grate & Satin Bronze Edge

    Regular price $1,198.59 USD
    Regular price Sale price $1,198.59 USD
    Unit price /  per 
  • NDS838-load-star-grate-2

    NDS 838 Class C Heavy Duty ADA High Impact Nylon Grate 8" x 20" (Nominal)

    NDS 838 Class C Heavy Duty ADA High Impact Nylon Grate 8" x 20" (Nominal)

    Regular price $220.31 USD
    Regular price Sale price $220.31 USD
    Unit price /  per 
  • NDS1218CI NDS Cast Iron Grate in Botanical

    NDS 1218CI Class B Botanical Cast Iron 12" x 12" Grate - RAW

    NDS 1218CI Class B Botanical Cast Iron 12" x 12" Grate - RAW

    Regular price $294.86 USD
    Regular price Sale price $294.86 USD
    Unit price /  per 
  • 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 
  • NDS-1511 Round Slotted Grate 15 Inch

    NDS-1511 Round Slotted Grate 15 Inch

    NDS-1511 Round Slotted Grate 15 Inch

    Regular price $184.86 USD
    Regular price Sale price $184.86 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
  • MMS-SB-560B brushed satin Mini channel max mini

    TDS™ 3" MAX Mini w/ Brushed Bronze Slotted Grate

    TDS™ 3" MAX Mini w/ Brushed Bronze Slotted Grate

    Regular price From $1,198.59 USD
    Regular price Sale price From $1,198.59 USD
    Unit price /  per 
  • 9P10 -Top

    NDS® 9P10 Offset Downspout Pipe Adapter- 4"x6"x6"

    NDS® 9P10 Offset Downspout Pipe Adapter- 4"x6"x6"

    Regular price $181.91 USD
    Regular price Sale price $181.91 USD
    Unit price /  per 
  • MMG-BF-CATH-BF

    TDS® 3" Gray Max Mini w/ Bronze Age™ Cathedral Grate - BoOF & Oil Rubbed Bronze Edge

    TDS® 3" Gray Max Mini w/ Bronze Age™ Cathedral Grate - BoOF & Oil Rubbed Bronze Edge

    Regular price From $722.26 USD
    Regular price Sale price From $722.26 USD
    Unit price /  per 
  • LPK12-IA-SUN-BF NDS Low Profile Catch Basin with Iron Age Sun grate in BoOF Cast Iron

    NDS 12″ Low Profile Catch Basin Kit with Iron Age Sun Grate | Baked on Oil Finish

    NDS 12″ Low Profile Catch Basin Kit with Iron Age Sun Grate | Baked on Oil Finish

    Regular price From $366.64 USD
    Regular price Sale price From $366.64 USD
    Unit price /  per 
  • BA-STAR-0312-A Stars Bronze Age Aluminum Grate

    Bronze Age™ BA-STAR-0312-A Stars Aluminum 3" x 12" Grate

    Bronze Age™ BA-STAR-0312-A Stars Aluminum 3" x 12" Grate

    Regular price $91.00 USD
    Regular price Sale price $91.00 USD
    Unit price /  per 
  • MAX Mini with NDS554CI-BF Botanical Cast Iron Grate

    TDS™ 3" Sand MAX Mini w/ Botanical BoOF Grate & Oil Rubbed Bronze Edge

    TDS™ 3" Sand MAX Mini w/ Botanical BoOF Grate & Oil Rubbed Bronze Edge

    Regular price From $744.86 USD
    Regular price Sale price From $744.86 USD
    Unit price /  per 
  • MCK-IA-QUE-HP Mini Channel with Raw Que Grate

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

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

    Regular price From $293.39 USD
    Regular price Sale price From $293.39 USD
    Unit price /  per 
  • 12x12-catch-basin-kit-CI-grate-Bullseye

    NDS 12" Catch Basin Kit with Iron Age Bullseye Grate | Natural

    NDS 12" Catch Basin Kit with Iron Age Bullseye Grate | Natural

    Regular price From $314.83 USD
    Regular price Sale price From $314.83 USD
    Unit price /  per 
  • IA-Bull-LCB12-HPBF NDS 12" Low Profile Catch Basin with Iron Age Bullseye Baked on Oil Finish Cast Iron Grate

    NDS 12" Low Profile Catch Basin Kit w/ Iron Age Bullseye Grate | BoOF

    NDS 12" Low Profile Catch Basin Kit w/ Iron Age Bullseye Grate | BoOF

    Regular price From $376.65 USD
    Regular price Sale price From $376.65 USD
    Unit price /  per 
  • NDS 12" Low Profile Catch Basin Kit w/ Iron Age Interlaken Grate | BoOF

    NDS 12" Low Profile Catch Basin Kit w/ Iron Age Interlaken Grate | BoOF

    NDS 12" Low Profile Catch Basin Kit w/ Iron Age Interlaken Grate | BoOF

    Regular price From $376.65 USD
    Regular price Sale price From $376.65 USD
    Unit price /  per 
  • NDS888-ductile-iron-slot-grate

    NDS 888 Class C Slotted Ductile Iron Grate 8" x 20" (Nominal Dimensions)

    NDS 888 Class C Slotted Ductile Iron Grate 8" x 20" (Nominal Dimensions)

    Regular price $245.10 USD
    Regular price Sale price $245.10 USD
    Unit price /  per 
  • NDS-2outlet-catch-basin-4in-outlets-grn-slotted-grate-TDSdrains

    NDS 12" Catch Basin Kit with NDS Slotted Grate | Green

    NDS 12" Catch Basin Kit with NDS Slotted Grate | Green

    Regular price From $142.27 USD
    Regular price Sale price From $142.27 USD
    Unit price /  per 
  • TDS™ 3" MAX Mini w/ Iron Age Que BoOF Grates - Sand Channel

    TDS™ 3" MAX Mini w/ Iron Age Que BoOF Grates - Sand Channel

    TDS™ 3" MAX Mini w/ Iron Age Que BoOF Grates - Sand Channel

    Regular price From $1,066.72 USD
    Regular price Sale price From $1,066.72 USD
    Unit price /  per 
  • MMG-SB-BA-BARS

    TDS™ 3" Gray MAX Mini w/ Natural Bronze BARS Grate & Satin Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Natural Bronze BARS Grate & Satin Bronze Edge

    Regular price From $1,033.59 USD
    Regular price Sale price From $1,033.59 USD
    Unit price /  per 
  • PCK6-CB06S-DG0657R Catch basin w/ Reinforced Stainless Steel Perforated Grate

    TV0650S (Shallow) VE Catch Basin Kit w/ DG0657RH for POLYCAST®

    TV0650S (Shallow) VE Catch Basin Kit w/ DG0657RH for POLYCAST®

    Regular price $730.68 USD
    Regular price Sale price $730.68 USD
    Unit price /  per 
  • Iron 18 x 18 decorative grate

    Iron Age IA-INTER-CB18 Class B Interlaken Cast Iron 18" x 18" Grate - RAW

    Iron Age IA-INTER-CB18 Class B Interlaken Cast Iron 18" x 18" Grate - RAW

    Regular price $604.89 USD
    Regular price Sale price $604.89 USD
    Unit price /  per 
  • MMG-BF-BARS-B

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze BARS Grate & Oil Rubbed Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze BARS Grate & Oil Rubbed Bronze Edge

    Regular price From $1,198.59 USD
    Regular price Sale price From $1,198.59 USD
    Unit price /  per 
  • MAX Mini_Pedreda with Oil Rubbed Veneer Edging

    TDS™ 3" Sand MAX Mini w/ Brushed Bronze Pedreda Grates & Oil Rubbed Bronze Edge

    TDS™ 3" Sand MAX Mini w/ Brushed Bronze Pedreda Grates & Oil Rubbed Bronze Edge

    Regular price From $1,198.59 USD
    Regular price Sale price From $1,198.59 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
Shop All

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