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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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      • Pour in Place (Concrete)
      • All Channel Materials
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      • All Load Classes
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      • Zurn
      • All Manufacturers
    • Popular Drainage Systems
      • Dura Slope
      • FP1200
      • Mini Channel
      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
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  • New Image Coming Soon

    ULMA HYDROPLUS w/ 465 Slotted Ductile Iron Grate - Class B

    Sale

    ULMA HYDROPLUS w/ 465 Slotted Ductile Iron Grate - Class B

    Regular price From $141.93 USD
    Regular price $179.86 USD Sale price From $141.93 USD
    Unit price /  per 
    Sale
  • POLYCAST polymer concrete channel with Stainless Steel Wire Wedge Grate

    POLYCAST 600 Series Kit with DG0655 Wedge Wire Stainless Steel Grate - Load Class B

    POLYCAST 600 Series Kit with DG0655 Wedge Wire Stainless Steel Grate - Load Class B

    Regular price From $277.42 USD
    Regular price Sale price From $277.42 USD
    Unit price /  per 
  • HYDROPLUS with Iron Age Carbochon Raw Cast Iron

    ULMA HYDROPLUS w/ Class B Iron Age CAA5-20I21 / IA-CARB-0520 Carbochon Raw Cast Iron Grate

    Sale

    ULMA HYDROPLUS w/ Class B Iron Age CAA5-20I21 / IA-CARB-0520 Carbochon Raw Cast Iron Grate

    Regular price From $441.85 USD
    Regular price $465.78 USD Sale price From $441.85 USD
    Unit price /  per 
    Sale
  • ULMA D100_0.9 Vinyl Ester FRP 486 Grate

    ULMA D100 Drain Channel w/486 Slotted Fiberglass Grate - Class B

    Sale

    ULMA D100 Drain Channel w/486 Slotted Fiberglass Grate - Class B

    Regular price From $433.98 USD
    Regular price $496.78 USD Sale price From $433.98 USD
    Unit price /  per 
    Sale
  • ULMA shallow drain channel with stainless steel edge and Iron Age Interlaken grate with Baked on Oil Finish

    M100KX w/ Interlaken Iron Age Grate & Stainless Edge -BoOF

    Sale

    M100KX w/ Interlaken Iron Age Grate & Stainless Edge -BoOF

    Regular price From $711.98 USD
    Regular price $772.21 USD Sale price From $711.98 USD
    Unit price /  per 
    Sale
  • ULMA M100KX Channel with Stainless Steel Edge and Mission Bay Grate

    ULMA M100KX Kit w/Iron Age Heel Proof Mission Bay Grate | RAW

    Sale

    ULMA M100KX Kit w/Iron Age Heel Proof Mission Bay Grate | RAW

    Regular price From $600.77 USD
    Regular price $662.72 USD Sale price From $600.77 USD
    Unit price /  per 
    Sale
  • ULMA HYDRO PLUS with IA-RIV-0520 Iron Age River Rock Grate-Class B

    ULMA HYDROPLUS with Iron Age IA-RIV-0520 River Rock - RAW

    Sale

    ULMA HYDROPLUS with Iron Age IA-RIV-0520 River Rock - RAW

    Regular price From $441.85 USD
    Regular price $465.78 USD Sale price From $441.85 USD
    Unit price /  per 
    Sale
  • NDS-mini-554SKit-TDSdrains

    NDS 3" Gray Mini Channel Kit with NDS Botanical Grate - Sand

    NDS 3" Gray Mini Channel Kit with NDS Botanical Grate - Sand

    Regular price From $94.73 USD
    Regular price Sale price From $94.73 USD
    Unit price /  per 
  • ULMA HYDROPLUS - 480 Ductile Iron Heel Proof Slotted C250 0.5M

    ULMA HYDROPLUS with 480/FNHX100KCCM Ductile Iron Heel Proof Slotted Grate Class C

    Sale

    ULMA HYDROPLUS with 480/FNHX100KCCM Ductile Iron Heel Proof Slotted Grate Class C

    Regular price From $169.01 USD
    Regular price $214.67 USD Sale price From $169.01 USD
    Unit price /  per 
    Sale
  • POLYCAST with SS Wedge Wire Grate 0655

    POLYCAST® 600 Vinyl Ester Series Kit with DG0655 Stainless Wedge Wire Grate

    POLYCAST® 600 Vinyl Ester Series Kit with DG0655 Stainless Wedge Wire Grate

    Regular price From $354.66 USD
    Regular price Sale price From $354.66 USD
    Unit price /  per 
  • MCK-BA-BARS-D NDS MIni Channel in Grey with TDS Bronze Age Grates in Ductile Iron

    NDS® 3" Gray Mini Channel Kit with TDS Bronze Age™ Bars Grate - Ductile Iron

    NDS® 3" Gray Mini Channel Kit with TDS Bronze Age™ Bars Grate - Ductile Iron

    Regular price From $177.29 USD
    Regular price Sale price From $177.29 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 
  • mini-channel-min-bf

    NDS 3" Gray Mini Channel Kit with Iron Age Minnione Grate - Baked on Oil Finish

    NDS 3" Gray Mini Channel Kit with Iron Age Minnione Grate - Baked on Oil Finish

    Regular price From $400.64 USD
    Regular price Sale price From $400.64 USD
    Unit price /  per 
  • DG0685HD Cast Iron Transverse Slotted HD Grate

    POLYCAST® DG0685HD Transverse Slotted Ductile Iron Catch Basin Grate | Load Class E

    POLYCAST® DG0685HD Transverse Slotted Ductile Iron Catch Basin Grate | Load Class E

    Regular price $335.79 USD
    Regular price Sale price $335.79 USD
    Unit price /  per 
  • MCK-BA-LUNA-BF NDS Mini Channel in Grey with TDS Bronze Age Luna Grates in BoOF Ductile Iron

    NDS® 3" Gray Mini Channel Kit with TDS Bronze Age™ Luna Grate - BoOF

    NDS® 3" Gray Mini Channel Kit with TDS Bronze Age™ Luna Grate - BoOF

    Regular price From $252.29 USD
    Regular price Sale price From $252.29 USD
    Unit price /  per 
  • Mini-Channel-Botanical-CI-boof

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

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

    Regular price From $338.70 USD
    Regular price Sale price From $338.70 USD
    Unit price /  per 
  • POLY500-AA-641D cast iron frame slotted ductile iron grate polymer concrete shallow channel Polycast

    POLYCAST 500 Series Kit with DG0641D Slotted Ductile Iron Grate and Frame

    POLYCAST 500 Series Kit with DG0641D Slotted Ductile Iron Grate and Frame

    Regular price From $470.46 USD
    Regular price Sale price From $470.46 USD
    Unit price /  per 
  • ULMA U100KX Kit

    ULMA U100KX Drain Channel with Stainless Steel Edging w/o Grate

    Sale

    ULMA U100KX Drain Channel with Stainless Steel Edging w/o Grate

    Regular price From $105.08 USD
    Regular price $135.10 USD Sale price From $105.08 USD
    Unit price /  per 
    Sale
  • New Image Coming Soon

    ULMA U100KX Drain Channel kit w/Bronze Age™ WAVE Grate-RAW

    Sale

    ULMA U100KX Drain Channel kit w/Bronze Age™ WAVE Grate-RAW

    Regular price From $206.23 USD
    Regular price $240.15 USD Sale price From $206.23 USD
    Unit price /  per 
    Sale
  • M100KX polymer concrete linear channel with stainless steel edge and Iron Age Carbochon Raw grate

    ULMA M100KX Kit with Iron Age CAA5-20I21 Carbochon Grate-RAW

    Sale

    ULMA M100KX Kit with Iron Age CAA5-20I21 Carbochon Grate-RAW

    Regular price From $600.77 USD
    Regular price $662.72 USD Sale price From $600.77 USD
    Unit price /  per 
    Sale
  • ULMA M100KX Channel with Stainless Steel Edge and BoOF Mission Bay Grate

    ULMA M100KX Kit w/Iron Age Heel Proof Mission Bay Grate | BoOF

    Sale

    ULMA M100KX Kit w/Iron Age Heel Proof Mission Bay Grate | BoOF

    Regular price From $3,269.23 USD
    Regular price $3,527.33 USD Sale price From $3,269.23 USD
    Unit price /  per 
    Sale
  • BA-LUNA-0312-BF TDS Bronze Age Luna Grate in Ductile Iron with BoOF finish

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

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

    Regular price From $722.26 USD
    Regular price Sale price From $722.26 USD
    Unit price /  per 
  • BA-LUNA-0312-B TDS Luna Brushed Bronze Grate

    Bronze Age BA-LUNA-0312-B Luna Bronze Brushed 3" x 12" Grate

    Bronze Age BA-LUNA-0312-B Luna Bronze Brushed 3" x 12" Grate

    Regular price $152.50 USD
    Regular price Sale price $152.50 USD
    Unit price /  per 
  • TDS-4in-bronze-natural-cathedral-TDSdrains

    Bronze Age BA-CATH-4D Class A Cathedral Bronze Natural Finish 4" Dia. Grate

    Bronze Age BA-CATH-4D Class A Cathedral Bronze Natural Finish 4" Dia. Grate

    Regular price $136.00 USD
    Regular price Sale price $136.00 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 
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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
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