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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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    • Popular Manufacturers
      • TDS
      • Bronze Age
      • NDS
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      • 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
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  • ULMA M100KX with 436 SS Wedge Wire

    ULMA M100KX Kit with TDS 438 Reinforced Stainless Wedge Wire Grate

    ULMA M100KX Kit with TDS 438 Reinforced Stainless Wedge Wire Grate

    Regular price From $909.96 USD
    Regular price Sale price From $909.96 USD
    Unit price /  per 
  • ULMA U100KX with Stainless Steel Edge and Stainless Steel Perforated Grate

    ULMA U100KX w/ Stainless Steel Perforated Grate (440)

    ULMA U100KX w/ Stainless Steel Perforated Grate (440)

    Regular price From $604.17 USD
    Regular price Sale price From $604.17 USD
    Unit price /  per 
  • ULMA U100KX-Rain-Raw

    ULMA U100KX w/ Iron Age Rain Grate-RAW

    ULMA U100KX w/ Iron Age Rain Grate-RAW

    Regular price From $281.91 USD
    Regular price Sale price From $281.91 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

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

    Regular price From $508.32 USD
    Regular price Sale price From $508.32 USD
    Unit price /  per 
  • ULMA Hydro Mini Plus H80 with IA-LOC-0520-BF Iron Age Locust BoOF Grate Class B

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

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

    Regular price From $508.32 USD
    Regular price Sale price From $508.32 USD
    Unit price /  per 
  • 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

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

    Regular price From $508.32 USD
    Regular price Sale price From $508.32 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

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

    Regular price From $508.32 USD
    Regular price Sale price From $508.32 USD
    Unit price /  per 
  • SS600 stainless steel channel with DG0675 plastic transverse slotted grate

    SS600 Stainless Steel Drain Kit w/ DG0675 Black Transverse Slotted Grate | Class A

    SS600 Stainless Steel Drain Kit w/ DG0675 Black Transverse Slotted Grate | Class A

    Regular price From $1,366.84 USD
    Regular price Sale price From $1,366.84 USD
    Unit price /  per 
  • SS600 Stainless Steel Drain Kit w/ DG0675HD Transverse Slotted Ductile Iron Grate | Class D

    SS600 Stainless Steel Drain Kit w/ DG0675HD Transverse Slotted Ductile Iron Grate | Class D

    SS600 Stainless Steel Drain Kit w/ DG0675HD Transverse Slotted Ductile Iron Grate | Class D

    Regular price From $1,370.37 USD
    Regular price Sale price From $1,370.37 USD
    Unit price /  per 
  • POLYCAST 500 Kit w/ Galvanized Edging and DG0623 Square Deco Perforated Grate | Class A

    POLYCAST 500 Kit w/ Galvanized Edging and DG0623 Square Deco Perforated Grate | Class A

    POLYCAST 500 Kit w/ Galvanized Edging and DG0623 Square Deco Perforated Grate | Class A

    Regular price From $394.00 USD
    Regular price Sale price From $394.00 USD
    Unit price /  per 
  • U100K00M-Argo cast iron deco ironage grate polymer concrete galv edge ULMA channel

    ULMA U100K Drainage Kit with Iron Age Argo Grate | Natural

    ULMA U100K Drainage Kit with Iron Age Argo Grate | Natural

    Regular price From $653.86 USD
    Regular price Sale price From $653.86 USD
    Unit price /  per 
  • POLYCST 600-SS Edge and DG0633 SS SQUARE DECO grate

    POLYCAST®600 Kit w/DG0633 Square Deco Perf Stainless Steel Grate & Edging | Load Class A

    POLYCAST®600 Kit w/DG0633 Square Deco Perf Stainless Steel Grate & Edging | Load Class A

    Regular price From $327.18 USD
    Regular price Sale price From $327.18 USD
    Unit price /  per 
  • POLYCAST500 with SS Edging and SS Slot Grate

    POLYCAST 500 Kit w/ Stainless Steel Edging and DG0631 Transverse Slotted Grate | Class A

    POLYCAST 500 Kit w/ Stainless Steel Edging and DG0631 Transverse Slotted Grate | Class A

    Regular price From $484.09 USD
    Regular price Sale price From $484.09 USD
    Unit price /  per 
  • ULMA D100_0.9 Vinyl Ester FRP 486 Grate

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

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

    Regular price From $564.72 USD
    Regular price Sale price From $564.72 USD
    Unit price /  per 
  • ULMA U100KX polymer concrete pre-sloped stainless edged channel with ductile iron class E grate

    ULMA U100KX Drainage Kit w/ TDS 461D Slotted Ductile Iron Grate

    ULMA U100KX Drainage Kit w/ TDS 461D Slotted Ductile Iron Grate

    Regular price From $569.25 USD
    Regular price Sale price From $569.25 USD
    Unit price /  per 
  • Iron Age Mission Bay Grating in the Ulma U100KX Channel

    ULMA U100KX Drain Channel w/ Iron Age Mission Bay Grate-RAW

    ULMA U100KX Drain Channel w/ Iron Age Mission Bay Grate-RAW

    Regular price From $319.96 USD
    Regular price Sale price From $319.96 USD
    Unit price /  per 
  • Ulma U100KX Channel with Polypropylene Mesh Grate - Black

    ULMA U100KX Kit w/ 497 / PE100KCBM Mesh Polypropylene Grate

    ULMA U100KX Kit w/ 497 / PE100KCBM Mesh Polypropylene Grate

    Regular price From $553.41 USD
    Regular price Sale price From $553.41 USD
    Unit price /  per 
  • U1KX-IA-QUE-HP

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

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

    Regular price From $315.37 USD
    Regular price Sale price From $315.37 USD
    Unit price /  per 
  • Polycast 700 with DG0646R Reinforced perforated Galvanized Steel Grates and Cast Iron Frame

    POLYCAST®700 Kit w/DG0646R Reinforced Perforated Galvanized Grate-Cast Frame

    POLYCAST®700 Kit w/DG0646R Reinforced Perforated Galvanized Grate-Cast Frame

    Regular price From $407.39 USD
    Regular price Sale price From $407.39 USD
    Unit price /  per 
  • ULMA U100KX with Stainless Steel Edge and Stainless Steel Slotted Grate

    ULMA U100KX w/ Stainless Steel Slotted Grate (450)

    ULMA U100KX w/ Stainless Steel Slotted Grate (450)

    Regular price From $587.41 USD
    Regular price Sale price From $587.41 USD
    Unit price /  per 
  • BA-SLOT-0312-BF TDS Bronze Age Slotted Ductile Iron Grate with BoOF

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

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

    Regular price From $653.98 USD
    Regular price Sale price From $653.98 USD
    Unit price /  per 
  • BA-STAR-0312-D TDS Bronze Age Star Grate in Ductile Iron

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

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

    Regular price From $665.58 USD
    Regular price Sale price From $665.58 USD
    Unit price /  per 
  • ULMA drain channel with stainless steel edge and ductile iron slotted grate

    ULMA U100KX w/ Ductile Iron Slotted Grate Class C (460)

    ULMA U100KX w/ Ductile Iron Slotted Grate Class C (460)

    Regular price From $549.43 USD
    Regular price Sale price From $549.43 USD
    Unit price /  per 
  • ULMA HYDROPLUS Mini with IA-JANIS-0520-BF Iron Age Janis Grate BoOF

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

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

    Regular price From $508.32 USD
    Regular price Sale price From $508.32 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
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    Feb 02, 2024
  • TDS Bronze Age™ Collection

    Oct 31, 2023

On Sale

  • ULMA HYDROPLUS Mini w/ BARS Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ BARS Ductile Iron Grate Class C

    $237.16 $183.00
  • ULMA HYDROPLUS Mini w/ FERN Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ FERN Ductile Iron Grate Class C

    $237.16 $183.00
  • ULMA HYDROPLUS Mini w/ CATHEDRAL Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ CATHEDRAL Ductile Iron Grate Class C

    $237.16 $183.00
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