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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
      • Load Class C
      • 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
      • Aluminum
      • Bronze
      • Ductile/Cast Iron
      • Fiberglass
      • Galvanized Steel
      • Plastic
      • Stainless Steel
      • All Grate Materials
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Products Blogs
  • ULMA HYDROPLUS Mini with IA-CARBO-0520 Iron Age Carbochon Grate Raw

    HYDROPLUS Mini w/ Iron Age 5"x20" Carbochon Raw Cast Iron Grate | Class B

    Sale

    HYDROPLUS Mini w/ Iron Age 5"x20" Carbochon Raw Cast Iron Grate | Class B

    Regular price From $402.60 USD
    Regular price $411.08 USD Sale price From $402.60 USD
    Unit price /  per 
    Sale
  • 9373 NDS Slim Channel 90 Degree Angle with Gray Slotted Grate

    NDS 9383 Slim Channel 90 Degree Elbow with Gray Slotted Grate

    NDS 9383 Slim Channel 90 Degree Elbow with Gray Slotted Grate

    Regular price $41.49 USD
    Regular price Sale price $41.49 USD
    Unit price /  per 
  • ULMA Hydro Mini Plus with IA-GRK-0520-Iron Age Greek Key Grate Class B

    HYDROPLUS Mini w/ Iron Age 5"x20" Greek Key Raw Cast Iron Grate | Class B

    Sale

    HYDROPLUS Mini w/ Iron Age 5"x20" Greek Key Raw Cast Iron Grate | Class B

    Regular price From $402.60 USD
    Regular price $411.08 USD Sale price From $402.60 USD
    Unit price /  per 
    Sale
  • New Image Coming Soon

    ULMA M100V w/Bronze Age™ PEDREDA Ductile Iron Heel-Proof Grate - RAW

    Sale

    ULMA M100V w/Bronze Age™ PEDREDA Ductile Iron Heel-Proof Grate - RAW

    Regular price From $310.06 USD
    Regular price $338.65 USD Sale price From $310.06 USD
    Unit price /  per 
    Sale
  • Ulma U100K Channel with Galvanized Steel edge and an Iron Age Design Minnione Grate with Baked on oli finishron grate ironage ulma polymer concrete channel galv edge

    ULMA U100K Drainage Kit with Iron Age Minnione Grate | Baked on Oil Finish

    Sale

    ULMA U100K Drainage Kit with Iron Age Minnione Grate | Baked on Oil Finish

    Regular price From $722.26 USD
    Regular price $785.42 USD Sale price From $722.26 USD
    Unit price /  per 
    Sale
  • NDS 541 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - GREY

    NDS 541 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - GREY

    NDS 541 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - GREY

    Regular price $468.47 USD
    Regular price Sale price $468.47 USD
    Unit price /  per 
  • ULMA Hydro Mini Plus H80 with IA-IA-JOE-0520-HP Iron Age Regular Joe Heel Proof Grate Class B

    ULMA HYDROPLUS Mini w/ Iron Age Regular Joe Raw Heel Proof Grate | Class B

    Sale

    ULMA HYDROPLUS Mini w/ Iron Age Regular Joe Raw Heel Proof Grate | Class B

    Regular price From $402.60 USD
    Regular price $411.08 USD Sale price From $402.60 USD
    Unit price /  per 
    Sale
  • TDS-4in-aluminum-raindrop-TDSdrains

    Bronze Age BA-RAIN-4D-A Class A Rain Drop Aluminum 4" Dia. Grate

    Bronze Age BA-RAIN-4D-A Class A Rain Drop Aluminum 4" Dia. Grate

    Regular price $91.00 USD
    Regular price Sale price $91.00 USD
    Unit price /  per 
  • TDS-SS600-DG0622 FOAM Galvanized

    Bronze Age™ DG0622 Foam Perforated Galvanized Steel 5.19"x48" Grate

    Bronze Age™ DG0622 Foam Perforated Galvanized Steel 5.19"x48" Grate

    Regular price $118.93 USD
    Regular price Sale price $118.93 USD
    Unit price /  per 
  • ULMA HYDROPLUS Mini with IA-MIN-0520 Iron Age Minnione Grate Raw

    ULMA HYDROPLUS Mini w/ Iron Age 5" Minnione Raw Grate | Class B

    Sale

    ULMA HYDROPLUS Mini w/ Iron Age 5" Minnione Raw Grate | Class B

    Regular price From $402.60 USD
    Regular price $411.08 USD Sale price From $402.60 USD
    Unit price /  per 
    Sale
  • NDS 554CI Cast Iron BOOF 3x12 botanical grate

    NDS 554CI-BF Class B ADA Compliant Botanical Cast Iron 3" x 12" Grate - BoOF

    NDS 554CI-BF Class B ADA Compliant Botanical Cast Iron 3" x 12" Grate - BoOF

    Regular price $93.76 USD
    Regular price Sale price $93.76 USD
    Unit price /  per 
  • TDS-4in-bronze-satin-cathedral-TDSdrains

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

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

    Regular price $152.50 USD
    Regular price Sale price $152.50 USD
    Unit price /  per 
  • M100K-Oblio Iron Age raw cast iron deco grate polymer concrete galv edge ULMA channel

    ULMA M100K W/ Iron Age Oblio Grate

    Sale

    ULMA M100K W/ Iron Age Oblio Grate

    Regular price From $524.99 USD
    Regular price $565.30 USD Sale price From $524.99 USD
    Unit price /  per 
    Sale
  • ULMA HYDROPLUS Mini with IA-MIN-0520-BF Iron Age Minnione Grate BoOF

    ULMA HYDROPLUS Mini w/ Iron Age Minnione BoOF Cast Iron Grate | Class B

    Sale

    ULMA HYDROPLUS Mini w/ Iron Age Minnione BoOF Cast Iron Grate | Class B

    Regular price From $519.86 USD
    Regular price $528.34 USD Sale price From $519.86 USD
    Unit price /  per 
    Sale
  • Spee-D BA Cathedral Galvanized Grate

    Bronze Age TDS-CATH-0448 Galvanized Steel 4.09" x 48" (Nominal) Grate

    Bronze Age TDS-CATH-0448 Galvanized Steel 4.09" x 48" (Nominal) Grate

    Regular price $125.40 USD
    Regular price Sale price $125.40 USD
    Unit price /  per 
  • Stainless Steel Perforated 3 inch Mini Channel Grate

    Perforated 316 Stainless Steel Grate 3″x36″ Load Class B

    Perforated 316 Stainless Steel Grate 3″x36″ Load Class B

    Regular price $249.00 USD
    Regular price Sale price $249.00 USD
    Unit price /  per 
  • New Image Coming Soon

    ULMA M100V w/Bronze Age™ WAVE Ductile Iron Heel-Proof Grate - RAW

    Sale

    ULMA M100V w/Bronze Age™ WAVE Ductile Iron Heel-Proof Grate - RAW

    Regular price From $310.06 USD
    Regular price $338.65 USD Sale price From $310.06 USD
    Unit price /  per 
    Sale
  • Spee-D BA Foam Stainless Steel Grate

    Bronze Age TDS-FOAM-0448-S 304 Stainless Steel 4.09" x 48" (Nominal) Grate

    Bronze Age TDS-FOAM-0448-S 304 Stainless Steel 4.09" x 48" (Nominal) Grate

    Regular price $312.39 USD
    Regular price Sale price $312.39 USD
    Unit price /  per 
  • M100KX polymer concrete channel with stainless steel edge and Iron Age Baked on Oil Finish Argo grate

    ULMA M100KX Kit w/Iron Age Argo Grate | BoOF

    Sale

    ULMA M100KX Kit w/Iron Age Argo Grate | BoOF

    Regular price From $718.03 USD
    Regular price $779.98 USD Sale price From $718.03 USD
    Unit price /  per 
    Sale
  • ULMA Hydro Mini Plus H80 with IA-ARGO-0520-HP Iron Age Argo Heel proof Grate Class B

    ULMA HYDROPLUS Mini w/ Iron Age IA-ARGO-0520-HP Argo Heel Proof Raw Cast Iron Grate Class B

    Sale

    ULMA HYDROPLUS Mini w/ Iron Age IA-ARGO-0520-HP Argo Heel Proof Raw Cast Iron Grate Class B

    Regular price From $402.60 USD
    Regular price $411.08 USD Sale price From $402.60 USD
    Unit price /  per 
    Sale
  • M100KX ULMA polymer concrete channel with stainless steel edge and Iron Age Raw Cast Iron grate

    ULMA M100KX Kit with Iron Age RJA5-20I21 Regular Joe Grate-RAW

    Sale

    ULMA M100KX Kit with Iron Age RJA5-20I21 Regular Joe Grate-RAW

    Regular price From $594.72 USD
    Regular price $654.95 USD Sale price From $594.72 USD
    Unit price /  per 
    Sale
  • ULMA Hydro Mini Plus H80 with IA-IA-JOE-0520-BF Iron Age Regular Joe Grate BoOF Class B

    ULMA HYDROPLUS Mini w/ Iron Age Regular Joe BoOF Cast Iron Grate | Class B

    Sale

    ULMA HYDROPLUS Mini w/ Iron Age Regular Joe BoOF Cast Iron Grate | Class B

    Regular price From $513.81 USD
    Regular price $520.56 USD Sale price From $513.81 USD
    Unit price /  per 
    Sale
  • 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 
  • MMS-BF-555 Wave mini channel max mini

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

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

    Regular price From $744.86 USD
    Regular price Sale price From $744.86 USD
    Unit price /  per 
  • Spee-D BA Transverse Slotted Stainless Steel Grate

    Bronze Age TDS-SLOT-0424-S 304 Stainless Steel 4.09" x 24" (Nominal) Grate

    Bronze Age TDS-SLOT-0424-S 304 Stainless Steel 4.09" x 24" (Nominal) Grate

    Regular price $156.20 USD
    Regular price Sale price $156.20 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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