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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
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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
      • All Grate Materials
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  • 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 
  • NDS 543 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - BLACK

    NDS 543 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - BLACK

    NDS 543 - Box of 16 - Class B ADA Compliant Slotted HDPE 3" x 36" Grate - BLACK

    Regular price $468.47 USD
    Regular price Sale price $468.47 USD
    Unit price /  per 
  • ULMA HYDROPLUS Mini w/ WAVE Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ WAVE Ductile Iron Grate Class C

    Sale

    ULMA HYDROPLUS Mini w/ WAVE Ductile Iron Grate Class C

    Regular price From $228.68 USD
    Regular price $237.16 USD Sale price From $228.68 USD
    Unit price /  per 
    Sale
  • NDS 554S - Box of 16 - Class B ADA Compliant Botanical Polyolefin 3" x 36" Grate - SAND

    NDS 554S - Box of 16 - Class B ADA Compliant Botanical Polyolefin 3" x 36" Grate - SAND

    NDS 554S - Box of 16 - Class B ADA Compliant Botanical Polyolefin 3" x 36" Grate - SAND

    Regular price $596.74 USD
    Regular price Sale price $596.74 USD
    Unit price /  per 
  • TDS MAX Mini with Bronze Edging and TDS560 Natural Bronze Slotted Grate

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

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

    Regular price From $1,025.11 USD
    Regular price Sale price From $1,025.11 USD
    Unit price /  per 
  • NDS 3" Sand Mini Channel End Caps MCKS-547-TDSdrains

    NDS 547S Mini Channel End Cap - SAND

    NDS 547S Mini Channel End Cap - SAND

    Regular price $12.63 USD
    Regular price Sale price $12.63 USD
    Unit price /  per 
  • ULMA HYDROPLUS Mini w/ PEDREDA Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ PEDREDA Ductile Iron Grate Class C

    Sale

    ULMA HYDROPLUS Mini w/ PEDREDA Ductile Iron Grate Class C

    Regular price From $228.68 USD
    Regular price $237.16 USD Sale price From $228.68 USD
    Unit price /  per 
    Sale
  • NDS 554CI Class B ADA Compliant Botanical Cast Iron 3" x 12" Grate - RAW

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

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

    Regular price $78.76 USD
    Regular price Sale price $78.76 USD
    Unit price /  per 
  • NDS-mini-548-TDSdrains NDS coupler

    NDS 548 Mini Channel Coupler - GRAY

    NDS 548 Mini Channel Coupler - GRAY

    Regular price $13.06 USD
    Regular price Sale price $13.06 USD
    Unit price /  per 
  • ULMA drain channel with stainless steel edge and Iron Age River Rock Baked on Oil Finish grate

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

    Sale

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

    Regular price From $351.82 USD
    Regular price $385.74 USD Sale price From $351.82 USD
    Unit price /  per 
    Sale
  • ULMA Hydro Mini Plus with 461D Ductile Iron Slotted Class E 0.5M Grate

    ULMA HYDROPLUS Mini with Ductile Iron Slotted Grate (461D) Class E

    Sale

    ULMA HYDROPLUS Mini with Ductile Iron Slotted Grate (461D) Class E

    Regular price From $132.30 USD
    Regular price $163.25 USD Sale price From $132.30 USD
    Unit price /  per 
    Sale
  • DG0623 Square Deco Galvanized Steel POLYCAST and SS600

    Bronze Age™ DG0623H DECO Galvanized Steel 5.19" x 24" Grate

    Bronze Age™ DG0623H DECO Galvanized Steel 5.19" x 24" Grate

    Regular price $86.88 USD
    Regular price Sale price $86.88 USD
    Unit price /  per 
  • 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
  • Spee-D BA Square Deco Stainless Steel Grate

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

    Bronze Age™ TDS-DECO-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 
  • NDS 555S - Box of 16 - Class B ADA Compliant Wave Polyolefin 3" x 36" Grate - SAND

    NDS 555S - Box of 16 - Class B ADA Compliant Wave Polyolefin 3" x 36" Grate - SAND

    NDS 555S - Box of 16 - Class B ADA Compliant Wave Polyolefin 3" x 36" Grate - SAND

    Regular price $596.74 USD
    Regular price Sale price $596.74 USD
    Unit price /  per 
  • HYDRO MINI PLUS with Iron Age Mission Bay Heel Proof BoOF Grate IA-BAY00520-HP-BF

    ULMA HYDROPLUS Mini w/ Iron Age IA-BAY-0520-HP-BF Mission Bay HP BoOF Cast Iron Grate | Class B

    Sale

    ULMA HYDROPLUS Mini w/ Iron Age IA-BAY-0520-HP-BF Mission Bay HP 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
  • TDS-4in-dia-bronze-rain-drop-grate-natural-fin

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

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

    Regular price $136.00 USD
    Regular price Sale price $136.00 USD
    Unit price /  per 
  • ULMA HYDRO MINI PLUS with IA-BAY-0520-HP Raw

    ULMA HYDROPLUS Mini IA-BAY-0520-HP Iron Age Mission Bay HP Raw Cast Iron Grate | Class B

    Sale

    ULMA HYDROPLUS Mini IA-BAY-0520-HP Iron Age Mission Bay HP 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
  • ULMA drain channel with stainless steel edge and Iron Age Minnione grate

    ULMA U100K Drainage Kit with Iron Age Minnione Grate | Natural

    Sale

    ULMA U100K Drainage Kit with Iron Age Minnione Grate | Natural

    Regular price From $597.86 USD
    Regular price $658.98 USD Sale price From $597.86 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
  • POLY700-PE-641D

    POLYCAST® 700 Vinyl Ester Series Kit w/DG0641D Slotted Ductile Iron Grate & HDPE Frame

    POLYCAST® 700 Vinyl Ester Series Kit w/DG0641D Slotted Ductile Iron Grate & HDPE Frame

    Regular price From $617.38 USD
    Regular price Sale price From $617.38 USD
    Unit price /  per 
  • NDS 552B Satin Brass 3x12" grate

    NDS 552B Class A ADA Compliant Slotted Satin Brass 3" x 12" Grate

    NDS 552B Class A ADA Compliant Slotted Satin Brass 3" x 12" Grate

    Regular price $225.31 USD
    Regular price Sale price $225.31 USD
    Unit price /  per 
  • grey wave mini channel NDS

    NDS 555GY Class B ADA Compliant Wave Polyolefin 3" x 36" Grate - GRAY

    NDS 555GY Class B ADA Compliant Wave Polyolefin 3" x 36" Grate - GRAY

    Regular price $37.30 USD
    Regular price Sale price $37.30 USD
    Unit price /  per 
  • Bronze Age™ BA-LUNA-0520 Ductile Iron 5" x 20" Grate - RAW

    Bronze Age™ BA-LUNA-0520 Ductile Iron 5" x 20" Grate - RAW

    Bronze Age™ BA-LUNA-0520 Ductile Iron 5" x 20" Grate - RAW

    Regular price $87.50 USD
    Regular price Sale price $87.50 USD
    Unit price /  per 
  • ULMA Hydro Mini Plus with 406 Heelproof Galvanized Mesh Grate load class B

    ULMA HYDROPLUS Mini with Galvanized Mesh Heelproof Grate (406 / GEHX100KCB) Class B

    Sale

    ULMA HYDROPLUS Mini with Galvanized Mesh Heelproof Grate (406 / GEHX100KCB) Class B

    Regular price From $164.11 USD
    Regular price $204.14 USD Sale price From $164.11 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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