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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
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      • Bronze
      • Ductile/Cast Iron
      • Fiberglass
      • Galvanized Steel
      • Plastic
      • Stainless Steel
      • All Grate Materials
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  • Bronze Age Grates Tardis - Natural Bronze

    Bronze Age BA-TAR-0312 Class A Tardis Bronze Natural Finish 3" x 12" Grate

    Bronze Age BA-TAR-0312 Class A Tardis Bronze Natural Finish 3" x 12" Grate

    Regular price $136.00 USD
    Regular price Sale price $136.00 USD
    Unit price /  per 
  • Iron Age | Class B | Heel-Proof Rain Cast Iron 3" x 12" Grate | RAW

    Iron Age | Class B | Heel-Proof Rain Cast Iron 3" x 12" Grate | RAW

    Sale

    Iron Age | Class B | Heel-Proof Rain Cast Iron 3" x 12" Grate | RAW

    Regular price $78.65 USD
    Regular price $78.65 USD Sale price $78.65 USD
    Unit price /  per 
    Sale
  • HYDROM-ANISE-0520-HP ULMA HYDROPLUS Anise 0520-Raw

    ULMA HYDROPLUS Mini w/ Iron Age IA-ANISE-0520-HP Anise Heel Proof Cast Iron Grate | Class B

    Sale

    ULMA HYDROPLUS Mini w/ Iron Age IA-ANISE-0520-HP Anise Heel Proof 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
  • sand wave mini channel NDS

    NDS 555S Class B ADA Compliant Wave Polyolefin 3" x 36" Grate - SAND

    NDS 555S Class B ADA Compliant Wave Polyolefin 3" x 36" Grate - SAND

    Regular price $37.30 USD
    Regular price Sale price $37.30 USD
    Unit price /  per 
  • Spee-D BA Foam Galvanized Grate

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

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

    Regular price $62.70 USD
    Regular price Sale price $62.70 USD
    Unit price /  per 
  • 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 with IA-ARGO-0520-HP-BF Iron Age Argo Heel proof BoOF Grate Class B

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

    Sale

    ULMA HYDROPLUS Mini w/ Iron Age IA-ARGO-0520-HP-BF Argo Heel Proof 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
  • TDS500S-TDSdrains

    NDS 500-HS Mini Channel 3" x 36" - SAND

    NDS 500-HS Mini Channel 3" x 36" - SAND

    Regular price $49.25 USD
    Regular price Sale price $49.25 USD
    Unit price /  per 
  • DK-4in-bronze-grated-satin-TDSdrains

    Bronze Age BA-SLOT-4D-B Class A Slotted Bronze Brushed Finish 4" Dia. Grate

    Bronze Age BA-SLOT-4D-B Class A Slotted Bronze Brushed Finish 4" Dia. Grate

    Regular price $152.50 USD
    Regular price Sale price $152.50 USD
    Unit price /  per 
  • NDS 544 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - SAND

    NDS 544 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - SAND

    NDS 544 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - SAND

    Regular price $468.47 USD
    Regular price Sale price $468.47 USD
    Unit price /  per 
  • 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 
  • ULMA HYDROPLUS Mini with IA-CARBO-0520-BF Iron Age Carbochon Grate BoOF

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

    Sale

    HYDROPLUS Mini w/ Iron Age 5"x20" Carbochon 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
  • Mini-550-bottom-outlet-TDSdrains

    NDS 550 Mini Channel 3" x 36" with Bottom Outlet – GRAY

    NDS 550 Mini Channel 3" x 36" with Bottom Outlet – GRAY

    Regular price $59.72 USD
    Regular price Sale price $59.72 USD
    Unit price /  per 
  • Spee-D BA Foam Galvanized Grate

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

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

    Regular price $125.40 USD
    Regular price Sale price $125.40 USD
    Unit price /  per 
  • 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
  • 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 
  • M100K Minnione Iron Age cast iron deco raw grate polymer concrete galv edge ULMA channel

    ULMA M100K W/Iron Age Minnione Grate

    Sale

    ULMA M100K W/Iron Age Minnione Grate

    Regular price From $524.99 USD
    Regular price $565.30 USD Sale price From $524.99 USD
    Unit price /  per 
    Sale
  • MMG-BF-554CI TDS MAX Mini in Gray with Oil Rubbed Edge and NDS Botanical Grates with BoOF

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

    TDS™ 3" Gray 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 
  • ULMA with stainless steel edge and Carbochon Baked on Oil Finish grate

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

    Sale

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

    Regular price From $293.19 USD
    Regular price $327.11 USD Sale price From $293.19 USD
    Unit price /  per 
    Sale
  • 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 
  • 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 
  • Spee-D BA Cathedral Stainless Steel Grate

    Bronze Age™ TDS-CATH-0424-S 304 Stainless Steel 4.09" x 24" Grate

    Bronze Age™ TDS-CATH-0424-S 304 Stainless Steel 4.09" x 24" Grate

    Regular price $156.20 USD
    Regular price Sale price $156.20 USD
    Unit price /  per 
  • ULMA Hydro Mini Plus with IA-GRK-0520-BF Iron Age Greek Key BoOF Grate Class B

    HYDROPLUS Mini w/ Iron Age 5"x 20" Greek Key BoOF Cast Iron Grate | Class B

    Sale

    HYDROPLUS Mini w/ Iron Age 5"x 20" Greek Key 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
  • 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
  • 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
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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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