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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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    • Popular Drainage Systems
      • Dura Slope
      • FP1200
      • Mini Channel
      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
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  • POLY500-xx-641-TDSdrains ductile iron slotted grate shallow POLYCAST polymer concrete channel

    POLYCAST 500 Series Kit with DG0641D Slotted Ductile Iron Grate

    POLYCAST 500 Series Kit with DG0641D Slotted Ductile Iron Grate

    Regular price From $319.31 USD
    Regular price Sale price From $319.31 USD
    Unit price /  per 
  • ULMA HYDROPLUS w/ FERN Ductile Iron Grate - Class C

    ULMA HYDROPLUS w/ FERN Ductile Iron Grate - Class C

    ULMA HYDROPLUS w/ FERN Ductile Iron Grate - Class C

    Regular price From $291.86 USD
    Regular price Sale price From $291.86 USD
    Unit price /  per 
  • U100K-Janis cast iron raw ironage grate polymer concrete ulma channel

    ULMA U100K Drainage Kit with Iron Age Janis Grate | Natural

    ULMA U100K Drainage Kit with Iron Age Janis Grate | Natural

    Regular price From $644.68 USD
    Regular price Sale price From $644.68 USD
    Unit price /  per 
  • POLYCAST 700 PE FRAME 640R

    POLYCAST® 700 Vinyl Ester Series Kit w/DG0640R Reinforced Slot Galvanized Grate & HDPE Frame

    POLYCAST® 700 Vinyl Ester Series Kit w/DG0640R Reinforced Slot Galvanized Grate & HDPE Frame

    Regular price From $840.51 USD
    Regular price Sale price From $840.51 USD
    Unit price /  per 
  • DP0650-675HD Polycast 600 with Ductile Iron Transverse Slotted Grate and steel edge

    POLYCAST® DP0650 Inline Catch Basin w/DG0675HD Transverse Slotted Ductile Iron Grate & Galv. Edge

    POLYCAST® DP0650 Inline Catch Basin w/DG0675HD Transverse Slotted Ductile Iron Grate & Galv. Edge

    Regular price $465.38 USD
    Regular price Sale price $465.38 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 
  • TP0650S-CF-669H Inline shallow Catch basin with cast iron frame and stainless steel bar grate

    TP0750S (Shallow) Catch Basin Kit w/ DG0669 for POLYCAST®-Ductile Iron Frame

    TP0750S (Shallow) Catch Basin Kit w/ DG0669 for POLYCAST®-Ductile Iron Frame

    Regular price $914.84 USD
    Regular price Sale price $914.84 USD
    Unit price /  per 
  • MCKS-555CI-TDSdrains sand channel wave cast iron nds grate

    NDS 3" Sand Mini Channel Kit with NDS Wave Grate - Natural

    NDS 3" Sand Mini Channel Kit with NDS Wave Grate - Natural

    Regular price From $299.74 USD
    Regular price Sale price From $299.74 USD
    Unit price /  per 
  • NDS2400-catch-basin-24x24-barebones1-1024x1024

    NDS 2400 Catch Basin 24" x 24" with 2 Openings

    NDS 2400 Catch Basin 24" x 24" with 2 Openings

    Regular price $593.39 USD
    Regular price Sale price $593.39 USD
    Unit price /  per 
  • polycast-DG700PE-frame HPDE frame

    DG0700PE POLYCAST Duraguard® 700 Series HPDE Frame

    DG0700PE POLYCAST Duraguard® 700 Series HPDE Frame

    Regular price $38.69 USD
    Regular price Sale price $38.69 USD
    Unit price /  per 
  • DG0640 POLYCAST Galvanized Slotted Grate

    POLYCAST DG0640 Slotted Galvanized 6" x 48" Grate | Load Class B

    POLYCAST DG0640 Slotted Galvanized 6" x 48" Grate | Load Class B

    Regular price $64.11 USD
    Regular price Sale price $64.11 USD
    Unit price /  per 
  • ULMA HYDRO PLUS with IA-RIV-0520-BF Iron Age River Rock Grate- BoOF Class B

    ULMA HYDROPLUS with Iron Age IA-RIV-0520-BF River Rock - BoOF

    ULMA HYDROPLUS with Iron Age IA-RIV-0520-BF River Rock - BoOF

    Regular price From $563.02 USD
    Regular price Sale price From $563.02 USD
    Unit price /  per 
  • NDS500S-BA-BARS-BF

    NDS® 3" Sand Mini Channel Kit with TDS Bronze Age™ Bars Grate - BoOF

    NDS® 3" Sand Mini Channel Kit with TDS Bronze Age™ Bars Grate - BoOF

    Regular price From $255.32 USD
    Regular price Sale price From $255.32 USD
    Unit price /  per 
  • U100K-462

    ULMA U100KX Drainage Kit w/TDS 462G Ductile Iron Grate

    ULMA U100KX Drainage Kit w/TDS 462G Ductile Iron Grate

    Regular price From $199.14 USD
    Regular price Sale price From $199.14 USD
    Unit price /  per 
  • New Image Coming Soon

    ULMA M100KX w/465 Ductile Iron Slotted Grate Class C

    ULMA M100KX w/465 Ductile Iron Slotted Grate Class C

    Regular price From $376.80 USD
    Regular price Sale price From $376.80 USD
    Unit price /  per 
  • 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

    ULMA U100K Drainage Kit with Iron Age Interlaken Grate | Natural

    Regular price From $644.68 USD
    Regular price Sale price From $644.68 USD
    Unit price /  per 
  • POLY500-GS-641D Polycast 500 with Galvanized Steel Edge and Polycast DG0641D Slotted Ductile Iron Grates

    POLYCAST 500 Series Kit with DG0641D Slotted Ductile Iron Grate and Galvanized Edging

    POLYCAST 500 Series Kit with DG0641D Slotted Ductile Iron Grate and Galvanized Edging

    Regular price From $368.97 USD
    Regular price Sale price From $368.97 USD
    Unit price /  per 
  • BA-LUNA-0312-BF TDS Bronze Age Luna Grate in Ductile Iron with BoOF finish

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

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

    Regular price From $665.58 USD
    Regular price Sale price From $665.58 USD
    Unit price /  per 
  • POLY600-SS-644SP Polycast 600 with Stainless steel edge and a fiberglass DG0644SP grate

    POLYCAST® 600 Vinyl Ester Series Kit with FG0644SP Slotted Fiberglass Grate & Stainless Edge

    POLYCAST® 600 Vinyl Ester Series Kit with FG0644SP Slotted Fiberglass Grate & Stainless Edge

    Regular price From $463.43 USD
    Regular price Sale price From $463.43 USD
    Unit price /  per 
  • M100K-FNHX100KCCM-2 Ductile Iron grate Low Profile shallow polymer concrete galv edge ULMA channel

    ULMA M100K W/ Ductile Iron Slotted Grate (1/2M) Class C

    ULMA M100K W/ Ductile Iron Slotted Grate (1/2M) Class C

    Regular price From $290.16 USD
    Regular price Sale price From $290.16 USD
    Unit price /  per 
  • Mini-Channel-Botanical-CI-boof

    NDS 3" Gray Mini Channel Kit with NDS Botanical Grate - Baked on Oil Finish

    NDS 3" Gray Mini Channel Kit with NDS Botanical Grate - Baked on Oil Finish

    Regular price From $755.34 USD
    Regular price Sale price From $755.34 USD
    Unit price /  per 
  • Ulma U100KX Channel with Iron Age Heel proof Mission Bay grating in Baked on Oil finish

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

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

    Regular price From $375.73 USD
    Regular price Sale price From $375.73 USD
    Unit price /  per 
  • New Image Coming Soon

    ULMA M100K w/Bronze Age™ Wave Ductile Iron Heel-Proof Grate - RAW

    ULMA M100K w/Bronze Age™ Wave Ductile Iron Heel-Proof Grate - RAW

    Regular price From $391.38 USD
    Regular price Sale price From $391.38 USD
    Unit price /  per 
  • ULMA drain channel with stainless steel edge and Iron Age Minnione grate

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

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

    Regular price From $315.37 USD
    Regular price Sale price From $315.37 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 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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