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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
    • Channel Materials
      • Fiberglass
      • Plastic
      • Polymer Concrete
      • Stainless Steel
      • Pour in Place (Concrete)
      • All Channel Materials
    • Load Class
      • Load Class A
      • Load Class B
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      • Load Class D
      • 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
      • Galvanized Steel
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      • Stainless Steel
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  • New Image Coming Soon

    Zurn ZF806 Flo-Thru® Drain with P6-HPD Ductile Iron Grate - HD Z Frame

    Zurn ZF806 Flo-Thru® Drain with P6-HPD Ductile Iron Grate - HD Z Frame

    Regular price From $2,495.80 USD
    Regular price Sale price From $2,495.80 USD
    Unit price /  per 
  • TP0650S - DG0675HD-GE Catch Basin w/ Cast Iron Transverse Slotted Grate and Galvanized Edging

    TP0650S (Shallow) Catch Basin Kit w/ DG0675HD & Galvanized Edge for POLYCAST®

    TP0650S (Shallow) Catch Basin Kit w/ DG0675HD & Galvanized Edge for POLYCAST®

    Regular price $386.10 USD
    Regular price Sale price $386.10 USD
    Unit price /  per 
  • POLY600-DG0620-GE Cathedral Galv

    POLYCAST 600 Series Kit with DG0620 Galvanized Grate w/ Edging | Load Class A

    POLYCAST 600 Series Kit with DG0620 Galvanized Grate w/ Edging | Load Class A

    Regular price From $280.85 USD
    Regular price Sale price From $280.85 USD
    Unit price /  per 
  • NDS-Dura-665-TDSdrains brick red slotted

    NDS DS-665 Class B ADA Compliant Slotted Polyolefin 6" x 24" Grate - BRICK RED

    NDS DS-665 Class B ADA Compliant Slotted Polyolefin 6" x 24" Grate - BRICK RED

    Regular price $70.40 USD
    Regular price Sale price $70.40 USD
    Unit price /  per 
  • IA-Spee-D-Locust-Grate-4x24-fullview raw cast iron grate

    Iron Age IA-LOC-0424 Class B Locust Cast Iron 4" x 24" Grate - RAW

    Iron Age IA-LOC-0424 Class B Locust Cast Iron 4" x 24" Grate - RAW

    Regular price $161.59 USD
    Regular price Sale price $161.59 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
  • ULMA HYDROPLUS with Iron Age Oblio Heel Proof Cast Iron BoOF Grate

    ULMA HYDROPLUS with Iron Age IA-OBLIO-0520-HP Oblio Heel Proof BoOF Cast Iron Grate Class B

    Sale

    ULMA HYDROPLUS with Iron Age IA-OBLIO-0520-HP Oblio Heel Proof 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®500 Series Kit w/ DG0655R Wedge Wire Grate & Edging | Load Class C

    POLYCAST®500 Series Kit w/ DG0655R Wedge Wire Grate & Edging | Load Class C

    POLYCAST®500 Series Kit w/ DG0655R Wedge Wire Grate & Edging | Load Class C

    Regular price From $725.26 USD
    Regular price Sale price From $725.26 USD
    Unit price /  per 
  • 5x20 Iron Age Cast-Iron Grate Locust Grate Raw Finish

    Iron Age IA-LOC-0520 Class B Locust Cast Iron 122mm x 500mm Grate - RAW

    Iron Age IA-LOC-0520 Class B Locust Cast Iron 122mm x 500mm Grate - RAW

    Regular price $174.46 USD
    Regular price Sale price $174.46 USD
    Unit price /  per 
  • ZF806-DGC ductile iron grate and fiber reinforced polymer trench drain

    Zurn ZF806 Flo-Thru® Drain with P6-DGC Ductile Iron Grate - HD Z Frame

    Zurn ZF806 Flo-Thru® Drain with P6-DGC Ductile Iron Grate - HD Z Frame

    Regular price From $2,239.80 USD
    Regular price Sale price From $2,239.80 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST 500 Series Kit w/ DG0646R Reinforced Galvanized Slot Grate-Ductile Iron Frame

    POLYCAST 500 Series Kit w/ DG0646R Reinforced Galvanized Slot Grate-Ductile Iron Frame

    Regular price From $853.30 USD
    Regular price Sale price From $853.30 USD
    Unit price /  per 
  • ULMA HYDROPLUS w/ LUNA Ductile Iron Grate - Class C

    ULMA HYDROPLUS w/ LUNA Ductile Iron Grate - Class C

    Sale

    ULMA HYDROPLUS w/ LUNA Ductile Iron Grate - Class C

    Regular price From $267.93 USD
    Regular price $291.86 USD Sale price From $267.93 USD
    Unit price /  per 
    Sale
  • POLYCAST-DG0670G-Duraguard-grate

    POLYCAST DG0670G Class A Slotted DuraGuard HDPE 6"x24"(Nominal) Grate - Gray

    POLYCAST DG0670G Class A Slotted DuraGuard HDPE 6"x24"(Nominal) Grate - Gray

    Regular price $45.01 USD
    Regular price Sale price $45.01 USD
    Unit price /  per 
  • 454 IN100KCC Reinforced Stainless Steel Slotted

    ULMA 455 / IN100KCCM Reinforced Stainless Steel Slotted Grate 0.5M Class C

    Sale

    ULMA 455 / IN100KCCM Reinforced Stainless Steel Slotted Grate 0.5M Class C

    Regular price $181.13 USD
    Regular price $232.88 USD Sale price $181.13 USD
    Unit price /  per 
    Sale
  • DG2441D-Catch-Basin-Grate-TDS

    POLYCAST DG0653D Class F Slotted Ductile Iron 24" X 24" Catch Basin Grate

    POLYCAST DG0653D Class F Slotted Ductile Iron 24" X 24" Catch Basin Grate

    Regular price $919.14 USD
    Regular price Sale price $919.14 USD
    Unit price /  per 
  • NDS-Botanical-cast-iron-grate-TDSdrains

    NDS 252CI Class B ADA Compliant Botanical Cast Iron 4" x 24" Grate - RAW

    NDS 252CI Class B ADA Compliant Botanical Cast Iron 4" x 24" Grate - RAW

    Regular price $174.12 USD
    Regular price Sale price $174.12 USD
    Unit price /  per 
  • ZURN Z884 Drainage Kit w/ P4-HPP-TEA&CREAM HDPE HDPE Grate - Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-TEA&CREAM HDPE HDPE Grate - Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-TEA&CREAM HDPE HDPE Grate - Bottom Outlet

    Regular price From $349.18 USD
    Regular price Sale price From $349.18 USD
    Unit price /  per 
  • Zurn 6" Plastic ADA linear slotted Grate P6-HPP-DK-GRAY

    Zurn P6-HPP-DARK-GRAY Class A Linear Slotted HDPE 6" x 20" Grate

    Zurn P6-HPP-DARK-GRAY Class A Linear Slotted HDPE 6" x 20" Grate

    Regular price $105.60 USD
    Regular price Sale price $105.60 USD
    Unit price /  per 
  • POLYCAST®600 Series Kit w/ DG0655R Wedge Wire | Load Class C

    POLYCAST®600 Series Kit w/ DG0655R Wedge Wire | Load Class C

    POLYCAST®600 Series Kit w/ DG0655R Wedge Wire | Load Class C

    Regular price From $507.89 USD
    Regular price Sale price From $507.89 USD
    Unit price /  per 
  • POLYCAST 600 with Stainless Steel Edge and DG0670

    POLYCAST® 600 Series Kit w/ Stainless Steel Edge & DG0670 Plastic Grate | Load Class A

    POLYCAST® 600 Series Kit w/ Stainless Steel Edge & DG0670 Plastic Grate | Load Class A

    Regular price From $247.87 USD
    Regular price Sale price From $247.87 USD
    Unit price /  per 
  • POLYCAST 700-PE-669-DK-TDSdrains

    POLYCAST® 700 Vinyl Ester Kit w/DG0669 Stainless Steel Bar Grate & HDPE Frame

    POLYCAST® 700 Vinyl Ester Kit w/DG0669 Stainless Steel Bar Grate & HDPE Frame

    Regular price From $1,668.82 USD
    Regular price Sale price From $1,668.82 USD
    Unit price /  per 
  • ULMA M100KX with 436 SS Wedge Wire

    ULMA M100KX Kit with TDS 438 Reinforced Stainless Wedge Wire Grate

    Sale

    ULMA M100KX Kit with TDS 438 Reinforced Stainless Wedge Wire Grate

    Regular price From $715.53 USD
    Regular price $909.96 USD Sale price From $715.53 USD
    Unit price /  per 
    Sale
  • POLYCAST 600 -SS

    POLYCAST® 600 Vinyl Ester Series Kit with DG0641D Slotted Ductile Iron Grate & Stainless Edge

    POLYCAST® 600 Vinyl Ester Series Kit with DG0641D Slotted Ductile Iron Grate & Stainless Edge

    Regular price From $356.39 USD
    Regular price Sale price From $356.39 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 
  • Gatic Cast Iron Slotted Grate - Top View

    TDS 462G Class D Slotted Ductile Iron Grate

    TDS 462G Class D Slotted Ductile Iron Grate

    Regular price $36.16 USD
    Regular price Sale price $36.16 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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