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Drainage Kits
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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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      • Fiberglass
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      • All Channel Materials
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      • Load Class A
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      • Load Class E
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      • 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
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  • NDS-Spee-D-channel-Botanical

    NDS Spee-D® Channel w/ 252CI Botanical Cast Iron 4"x24" RAW Grate

    NDS Spee-D® Channel w/ 252CI Botanical Cast Iron 4"x24" RAW Grate

    Regular price From $234.28 USD
    Regular price Sale price From $234.28 USD
    Unit price /  per 
  • 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
  • NDS-speeD400-251-TDSdrains

    NDS Spee-D® Channel w/ 251 Slotted HDPE 4"x24" Brick Red Grate

    NDS Spee-D® Channel w/ 251 Slotted HDPE 4"x24" Brick Red Grate

    Regular price From $131.69 USD
    Regular price Sale price From $131.69 USD
    Unit price /  per 
  • ULMA HYDRO PLUS with IA-JOE-0520-HP Iron Age Regular Joe Heel Proof Grate Class BULMA HYDRO PLUS with IA-JOE-0520-HP Iron Age Regular Joe Heel Proof Grate Class B

    ULMA HYDROPLUS with Iron Age IA-JOE-0520-HP Regular Joe Heel Proof Raw Cast Iron Grate Class B

    Sale

    ULMA HYDROPLUS with Iron Age IA-JOE-0520-HP Regular Joe Heel Proof Raw Cast Iron Grate Class B

    Regular price From $434.71 USD
    Regular price $456.60 USD Sale price From $434.71 USD
    Unit price /  per 
    Sale
  • Polymer concrete channel by Hubbell POLYCAST either pre-sloped or neutral

    POLYCAST 600 - Vinyl Ester Sloped Channel Kit - w/o Grates

    POLYCAST 600 - Vinyl Ester Sloped Channel Kit - w/o Grates

    Regular price From $326.68 USD
    Regular price Sale price From $326.68 USD
    Unit price /  per 
  • HYDROPLUS with Iron Age Rain Raw Grate

    ULMA HYDROPLUS with Iron Age RNN3-12I01HP / IA-RAIN-0520 Rain Raw Cast Iron Grate Class B

    Sale

    ULMA HYDROPLUS with Iron Age RNN3-12I01HP / IA-RAIN-0520 Rain Raw Cast Iron Grate Class B

    Regular price From $434.71 USD
    Regular price $456.60 USD Sale price From $434.71 USD
    Unit price /  per 
    Sale
  • U100K00M-Interlaken Iron age deco cast iron raw grate polymer concrete galv edge ULMA channel

    ULMA U100K Drainage Kit with Iron Age Interlaken Grate | Natural

    Sale

    ULMA U100K Drainage Kit with Iron Age Interlaken Grate | Natural

    Regular price From $597.86 USD
    Regular price $658.98 USD Sale price From $597.86 USD
    Unit price /  per 
    Sale
  • U100K-Janis cast iron raw ironage grate polymer concrete ulma channel

    ULMA U100K Drainage Kit with Iron Age Janis Grate | Natural

    Sale

    ULMA U100K Drainage Kit with Iron Age Janis Grate | Natural

    Regular price From $597.86 USD
    Regular price $658.98 USD Sale price From $597.86 USD
    Unit price /  per 
    Sale
  • ULMA HYDROPLUS Mini w/ PEDREDA Ductile Iron Grate Class C - BoOF

    ULMA HYDROPLUS Mini w/ PEDREDA Ductile Iron Grate Class C - BoOF

    Sale

    ULMA HYDROPLUS Mini w/ PEDREDA Ductile Iron Grate Class C - BoOF

    Request quote
    Sale
  • ULMA HYDROPLUS Mini w/ CATHEDRAL Ductile Iron Grate Class C - BoOF

    ULMA HYDROPLUS Mini w/ CATHEDRAL Ductile Iron Grate Class C - BoOF

    Sale

    ULMA HYDROPLUS Mini w/ CATHEDRAL Ductile Iron Grate Class C - BoOF

    Request quote
    Sale
  • NDS-speeD400-253S-TDSdrains

    NDS Spee-D® Channel w/ 253S Wave HDPE 4"x24" Sand Grate

    NDS Spee-D® Channel w/ 253S Wave HDPE 4"x24" Sand Grate

    Regular price From $115.58 USD
    Regular price Sale price From $115.58 USD
    Unit price /  per 
  • aluminum grates

    ULMA 425 / GN100KCCM Class C Slotted Reinforced Galvanized Steel 122mm x 500mm Grate

    Sale

    ULMA 425 / GN100KCCM Class C Slotted Reinforced Galvanized Steel 122mm x 500mm Grate

    Regular price $39.79 USD
    Regular price $51.16 USD Sale price $39.79 USD
    Unit price /  per 
    Sale
  • Iron Age 4x24 BoOF Locust Spee-D Heel Proof cast iron grate

    Iron Age IA-LOC-0424-HP-BF Class B Locust Cast Iron 4" x 24" Grate - BoOF

    Iron Age IA-LOC-0424-HP-BF Class B Locust Cast Iron 4" x 24" Grate - BoOF

    Regular price $341.91 USD
    Regular price Sale price $341.91 USD
    Unit price /  per 
  • 5inch-cast-iron-que-hp-bk

    Iron Age IA-QUE-0520-HP-BF Class B Heel-Proof Cast Iron 122mm x 500mm Grate - BoOF

    Iron Age IA-QUE-0520-HP-BF Class B Heel-Proof Cast Iron 122mm x 500mm Grate - BoOF

    Regular price $233.09 USD
    Regular price Sale price $233.09 USD
    Unit price /  per 
  • NDS® Slim Channel 9263 Class A Plastic Chain Deco 2" x 36" Grate - GRAY

    NDS® Slim Channel 9263 Class A Plastic Chain Deco 2" x 36" Grate - GRAY

    NDS® Slim Channel 9263 Class A Plastic Chain Deco 2" x 36" Grate - GRAY

    Regular price $21.22 USD
    Regular price Sale price $21.22 USD
    Unit price /  per 
  • Gray Slot Slim Channel Grate

    NDS Slim Channel 9243 Class A Plastic Slotted 2" x 36" Grate - GRAY

    NDS Slim Channel 9243 Class A Plastic Slotted 2" x 36" Grate - GRAY

    Regular price $17.67 USD
    Regular price Sale price $17.67 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
  • NDS-speeD400-252S-TDSdrains

    NDS Spee-D® Channel w/ 252S Botanical HDPE 4"x24" Sand Grate

    NDS Spee-D® Channel w/ 252S Botanical HDPE 4"x24" Sand Grate

    Regular price From $115.58 USD
    Regular price Sale price From $115.58 USD
    Unit price /  per 
  • ULMA U100K Drainage Kit w/ TDS Bronze Age Fern Ductile Iron Grate-RAW

    ULMA U100K Drainage Kit w/ TDS Bronze Age Fern Ductile Iron Grate-RAW

    Sale

    ULMA U100K Drainage Kit w/ TDS Bronze Age Fern Ductile Iron Grate-RAW

    Regular price From $155.28 USD
    Regular price $174.64 USD Sale price From $155.28 USD
    Unit price /  per 
    Sale
  • NDS-speeD400-253-TDSdrains

    NDS Spee-D® Channel w/ 253 Wave HDPE 4"x24" Black Grate

    NDS Spee-D® Channel w/ 253 Wave HDPE 4"x24" Black Grate

    Regular price From $115.58 USD
    Regular price Sale price From $115.58 USD
    Unit price /  per 
  • ULMA D100 w/Bronze Age™ LUNA Ductile Iron Grate - RAW

    ULMA D100 w/Bronze Age™ LUNA Ductile Iron Grate - RAW

    Sale

    ULMA D100 w/Bronze Age™ LUNA Ductile Iron Grate - RAW

    Regular price From $414.64 USD
    Regular price $421.92 USD Sale price From $414.64 USD
    Unit price /  per 
    Sale
  • Hydro Plus with Interlaken Raw Grate IA-INTER-0520

    ULMA HYDROPLUS with Iron Age IA-INTER-0520 Interlaken Raw Cast Iron Grate Class B

    Sale

    ULMA HYDROPLUS with Iron Age IA-INTER-0520 Interlaken Raw Cast Iron Grate Class B

    Regular price From $434.71 USD
    Regular price $456.60 USD Sale price From $434.71 USD
    Unit price /  per 
    Sale
  • Ulma U100KX Channel with Iron Age Heel Proof Regular Joe Grate

    Regular Joe Iron Age Grates on U100KX-ULMA Heelproof-RAW

    Sale

    Regular Joe Iron Age Grates on U100KX-ULMA Heelproof-RAW

    Regular price From $719.51 USD
    Regular price $815.39 USD Sale price From $719.51 USD
    Unit price /  per 
    Sale
  • HYDROPLUS with Iron Age Oblio BoOF Cast Iron

    ULMA HYDROPLUS with Iron Age OA5-20I21 / IA-OBLIO-0520 Oblio BoOF Cast Iron Grate Class B

    Sale

    ULMA HYDROPLUS with Iron Age OA5-20I21 / IA-OBLIO-0520 Oblio BoOF Cast Iron Grate Class B

    Regular price From $559.11 USD
    Regular price $583.04 USD Sale price From $559.11 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 
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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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