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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
      • 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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      • Bronze
      • Ductile/Cast Iron
      • Fiberglass
      • Galvanized Steel
      • Plastic
      • Stainless Steel
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  • ULMA drain channel with stainless steel edge and Iron Age River Rock grate

    ULMA U100KX Drain Channel w/ Iron Age River Rock Grate-RAW

    Sale

    ULMA U100KX Drain Channel w/ Iron Age River Rock Grate-RAW

    Regular price From $289.62 USD
    Regular price $322.52 USD Sale price From $289.62 USD
    Unit price /  per 
    Sale
  • POLY700-PE-675D-TDSdrains HPDE frame cast iron transverse slotted grate polymer concrete channel Polycast

    POLYCAST® 700 Vinyl Ester Kit w/DG0675HD Transverse Slotted Ductile Iron Grate & HDPE Frame

    POLYCAST® 700 Vinyl Ester Kit w/DG0675HD Transverse Slotted Ductile Iron Grate & HDPE Frame

    Regular price From $639.45 USD
    Regular price Sale price From $639.45 USD
    Unit price /  per 
  • MCKS-BA-LUNA-BF NDS Mini Channel in Sand with TDS Bronze Age Grates in BoOF ductile iron

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Luna Grate - BoOF

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Luna Grate - BoOF

    Regular price From $258.32 USD
    Regular price Sale price From $258.32 USD
    Unit price /  per 
  • U1kX-IA-QUE-HP-BF

    ULMA U100KX Drain Channel w/ Iron Age Que Grate - BoOF

    Sale

    ULMA U100KX Drain Channel w/ Iron Age Que Grate - BoOF

    Regular price From $351.82 USD
    Regular price $385.74 USD Sale price From $351.82 USD
    Unit price /  per 
    Sale
  • ULMA drain channel with stainless steel edge and Iron Age Carbochon Baked on Oil Finish grate

    ULMA U100KX w/ Iron Age Carbochon Grate-BoOF

    Sale

    ULMA U100KX w/ Iron Age Carbochon Grate-BoOF

    Regular price From $351.82 USD
    Regular price $385.74 USD Sale price From $351.82 USD
    Unit price /  per 
    Sale
  • ULMA M100KX polymer concrete linear channel with stainless edge and 494 black poly grate

    ULMA M100KX Kit with 494 ADA/Heel-Proof Poly Grate Class A - BLACK

    Sale

    ULMA M100KX Kit with 494 ADA/Heel-Proof Poly Grate Class A - BLACK

    Regular price From $294.98 USD
    Regular price $369.26 USD Sale price From $294.98 USD
    Unit price /  per 
    Sale
  • NDS® Dura Slope Kit with DS-661 HDPE Slotted Grate | Dark Gray

    NDS® Dura Slope Kit with DS-661 HDPE Slotted Grate | Dark Gray

    NDS® Dura Slope Kit with DS-661 HDPE Slotted Grate | Dark Gray

    Regular price From $419.00 USD
    Regular price Sale price From $419.00 USD
    Unit price /  per 
  • PCK6-SE-655R Polycast 600 Kit with Stainless Steel Edge and DG0655R Reinforced Wedge Wire Grate

    POLYCAST®600 Series Kit w/ DG0655R Wedge Wire & Stainless Steel Edging

    POLYCAST®600 Series Kit w/ DG0655R Wedge Wire & Stainless Steel Edging

    Regular price From $550.18 USD
    Regular price Sale price From $550.18 USD
    Unit price /  per 
  • Dura Slope Channel

    Dura Slope 6" Drain Channel - by NDS®

    Dura Slope 6" Drain Channel - by NDS®

    Regular price $211.44 USD
    Regular price Sale price $211.44 USD
    Unit price /  per 
  • M100K-Iron Age Mission Bay grate with Baked on Oil finish and ULMA channel with galvanized edging

    ULMA M100K with Iron Age Mission Bay Grates

    Sale

    ULMA M100K with Iron Age Mission Bay Grates

    Regular price From $524.99 USD
    Regular price $565.30 USD Sale price From $524.99 USD
    Unit price /  per 
    Sale
  • Iron Age Cast Iron Paradise BoOF Grate

    ULMA HYDROPLUS with Iron Age PA5-20I21 / IA-PAR-0520 Paradise BoOF Cast Iron Grate Class B

    Sale

    ULMA HYDROPLUS with Iron Age PA5-20I21 / IA-PAR-0520 Paradise BoOF Cast Iron Grate Class B

    Regular price From $541.52 USD
    Regular price $565.45 USD Sale price From $541.52 USD
    Unit price /  per 
    Sale
  • MCKS-554CI-BF-TDSdrains Sand Channel with NDS Botanical Cast Iron Grate

    NDS 3" Sand Mini Channel Kit with NDS Botanical Grate - Baked on Oil Finish

    NDS 3" Sand Mini Channel Kit with NDS Botanical Grate - Baked on Oil Finish

    Regular price From $344.74 USD
    Regular price Sale price From $344.74 USD
    Unit price /  per 
  • MCKS-TDS560-B-TDSdrains Sand Mini Channel with Bronze Slotted Grate

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Slotted Grate - Brushed

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Slotted Grate - Brushed

    Regular price From $520.97 USD
    Regular price Sale price From $520.97 USD
    Unit price /  per 
  • ULMA M100KX polymer concrete stainless steel edged channel with Iron Age Baked on Oil Finish Cast Iron Minnione grate

    ULMA M100KX Kit with Iron Age Minnione Grate – BoOF

    Sale

    ULMA M100KX Kit with Iron Age Minnione Grate – BoOF

    Regular price From $718.03 USD
    Regular price $779.98 USD Sale price From $718.03 USD
    Unit price /  per 
    Sale
  • U1KX-IA-QUE-HP

    ULMA U100KX Drain Channel w/ Iron Age Que Grate-RAW

    Sale

    ULMA U100KX Drain Channel w/ Iron Age Que Grate-RAW

    Regular price From $289.62 USD
    Regular price $322.52 USD Sale price From $289.62 USD
    Unit price /  per 
    Sale
  • BA-STAR-0312-D TDS Bronze Age Star Grate in Ductile Iron

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

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

    Regular price From $722.26 USD
    Regular price Sale price From $722.26 USD
    Unit price /  per 
  • NDS Slim Channel Kit with Gray Chain Grate

    NDS Slim Channel Kit with NDS 9263 Chain Grate - GRAY

    NDS Slim Channel Kit with NDS 9263 Chain Grate - GRAY

    Regular price From $84.60 USD
    Regular price Sale price From $84.60 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 
  • POLY500-SS-655

    POLYCAST®500 Series Kit w/ DG0655 Wedge Wire Grate & SE Edging | Load Class B

    POLYCAST®500 Series Kit w/ DG0655 Wedge Wire Grate & SE Edging | Load Class B

    Regular price From $1,075.34 USD
    Regular price Sale price From $1,075.34 USD
    Unit price /  per 
  • FGK-HLC-WYE-12 Fiberglass Mesh Grate with WYE Frame

    12" Fiberglass Kit w/ HLC Grate (Nominal Width) and WYE Frame - Load Class C

    12" Fiberglass Kit w/ HLC Grate (Nominal Width) and WYE Frame - Load Class C

    Regular price From $791.43 USD
    Regular price Sale price From $791.43 USD
    Unit price /  per 
  • NDS500S-BA-BARS-B Sand Mini Channel Bronze Age Brushed Bronze Bars Grate

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Bars Grate - Brushed

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Bars Grate - Brushed

    Regular price From $520.97 USD
    Regular price Sale price From $520.97 USD
    Unit price /  per 
  • NDS500S-BA-STAR-B NDS Sand Mini Channel Bronze Age Brushed Bronze Stars Grate

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Star Grate - Brushed

    NDS 3" Sand Mini Channel Kit with TDS Bronze Age Star Grate - Brushed

    Regular price From $520.97 USD
    Regular price Sale price From $520.97 USD
    Unit price /  per 
  • NDS-speeD400-242-TDSdrains NDS Spee-D with green slot grate

    NDS Spee-D® Channel w/ 242 Slotted HDPE 4"x24" Green Grate

    NDS Spee-D® Channel w/ 242 Slotted HDPE 4"x24" Green Grate

    Regular price From $128.70 USD
    Regular price Sale price From $128.70 USD
    Unit price /  per 
  • POLY500-xx-641-TDSdrains ductile iron slotted grate shallow POLYCAST polymer concrete channel

    POLYCAST 500 Series Kit with DG0641D Slotted Ductile Iron Grate

    POLYCAST 500 Series Kit with DG0641D Slotted Ductile Iron Grate

    Regular price From $319.31 USD
    Regular price Sale price From $319.31 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 
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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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