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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
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      • Pour in Place (Concrete)
      • All Channel Materials
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      • Load Class A
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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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  • 5inch-cast-iron-grate-Janis-raw2

    Iron Age IA-JANIS-0520 Class B Janis Cast Iron 122mm x 500mm Grate - RAW

    Iron Age IA-JANIS-0520 Class B Janis Cast Iron 122mm x 500mm Grate - RAW

    Regular price $174.46 USD
    Regular price Sale price $174.46 USD
    Unit price /  per 
  • TP0650S Catch basin with DG0640 Galvanized Slotted

    TP0650S (Shallow) Catch Basin Kit w/ DG0640H for POLYCAST®

    TP0650S (Shallow) Catch Basin Kit w/ DG0640H for POLYCAST®

    Regular price $303.11 USD
    Regular price Sale price $303.11 USD
    Unit price /  per 
  • SS600 stainless steel channel with DG0647R reinforced stainless steel slotted grate

    SS600 Stainless Steel Drain Kit w/ DG0647R Slotted Stainless Steel Grate | Class C

    SS600 Stainless Steel Drain Kit w/ DG0647R Slotted Stainless Steel Grate | Class C

    Regular price From $1,799.48 USD
    Regular price Sale price From $1,799.48 USD
    Unit price /  per 
  • IA-LOC-0520-BF Iron Age Locust 5 x 20 cast iron grate

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

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

    Regular price $233.09 USD
    Regular price Sale price $233.09 USD
    Unit price /  per 
  • NDS-Dura-Slope-221 galvanized steel grate dura slope channel

    NDS Dura Slope Kit with DS-221 Galvanized Slotted Grate

    NDS Dura Slope Kit with DS-221 Galvanized Slotted Grate

    Regular price From $450.06 USD
    Regular price Sale price From $450.06 USD
    Unit price /  per 
  • IA-RAIN-0520-HP-BF

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

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

    Regular price $233.09 USD
    Regular price Sale price $233.09 USD
    Unit price /  per 
  • Polycast 600 with DG0647R Reinforced Slotted grates with Stainless Steel Edges

    POLYCAST 600 Series Kit with DG0647R Reinforced Slotted Stainless Grate and Edging

    POLYCAST 600 Series Kit with DG0647R Reinforced Slotted Stainless Grate and Edging

    Regular price From $567.82 USD
    Regular price Sale price From $567.82 USD
    Unit price /  per 
  • TP0650S Catch basin with DG0640-GE Galvanized Slotted with Edging

    TP0650S (Shallow) Catch Basin Kit w/ DG0640H & Galvanized Edge for POLYCAST®

    TP0650S (Shallow) Catch Basin Kit w/ DG0640H & Galvanized Edge for POLYCAST®

    Regular price $368.61 USD
    Regular price Sale price $368.61 USD
    Unit price /  per 
  • Catch Basin PCK6-CB06S-DG0631-SE Stainless Steel SLOT and SS Edging

    TP0650S (Shallow) Catch Basin Kit w/ DG0631H & Stainless Edge for POLYCAST®

    TP0650S (Shallow) Catch Basin Kit w/ DG0631H & Stainless Edge for POLYCAST®

    Regular price $431.00 USD
    Regular price Sale price $431.00 USD
    Unit price /  per 
  • DG0644SP-TDG-TDSdrains fiberglass grate .38 spacing Polycast

    POLYCAST FG0644SP Class C Spacing 3/8" Fiberglass BAR 6" x 48" Grate

    POLYCAST FG0644SP Class C Spacing 3/8" Fiberglass BAR 6" x 48" Grate

    Regular price $282.33 USD
    Regular price Sale price $282.33 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST®750 Inline Catch Basin w/DG0669 Stainless Steel 304 Bar Grate and HDPE Frame

    POLYCAST®750 Inline Catch Basin w/DG0669 Stainless Steel 304 Bar Grate and HDPE Frame

    Regular price $957.71 USD
    Regular price Sale price $957.71 USD
    Unit price /  per 
  • DG0644-Polycast-fiberglass-bar-grate-TDSdrains

    POLYCAST FG0644H Class B Spacing 5/8" Fiberglass BAR 6" x 24" Grate

    POLYCAST FG0644H Class B Spacing 5/8" Fiberglass BAR 6" x 24" Grate

    Regular price $131.25 USD
    Regular price Sale price $131.25 USD
    Unit price /  per 
  • TP0650S Catch Basin with DG0623 Square Deco Galvanized

    TP0650S (Shallow) Catch Basin Kit w/ DG0623H for POLYCAST®

    TP0650S (Shallow) Catch Basin Kit w/ DG0623H for POLYCAST®

    Regular price $340.38 USD
    Regular price Sale price $340.38 USD
    Unit price /  per 
  • TDS-4in-bronze-natural-cathedral-TDSdrains

    Bronze Age BA-CATH-4D Class A Cathedral Bronze Natural Finish 4" Dia. Grate

    Bronze Age BA-CATH-4D Class A Cathedral Bronze Natural Finish 4" Dia. Grate

    Regular price $136.00 USD
    Regular price Sale price $136.00 USD
    Unit price /  per 
  • PCK6-CB06S-DG0657R Catch basin w/ Reinforced Stainless Steel Perforated Grate

    TP0650S (Shallow) Polymer Concrete Catch Basin Kit w/DG0657RH for POLYCAST®

    TP0650S (Shallow) Polymer Concrete Catch Basin Kit w/DG0657RH for POLYCAST®

    Regular price $584.33 USD
    Regular price Sale price $584.33 USD
    Unit price /  per 
  • IA-RAIN-0520-HP

    Iron Age IA-RAIN-0520-HP Class B Heel-Proof Rain Cast Iron 122mm x 500mm Grate - RAW

    Iron Age IA-RAIN-0520-HP Class B Heel-Proof Rain Cast Iron 122mm x 500mm Grate - RAW

    Regular price $174.46 USD
    Regular price Sale price $174.46 USD
    Unit price /  per 
  • IA-OBLIO-0520-HP

    Iron Age IA-OBLIO-0520-HP Class B OBLIO Heelproof Cast Iron 122mm x 500mm Grate - RAW

    Iron Age IA-OBLIO-0520-HP Class B OBLIO Heelproof Cast Iron 122mm x 500mm Grate - RAW

    Regular price $174.46 USD
    Regular price Sale price $174.46 USD
    Unit price /  per 
  • IA-JOE-0520-HP-Iron Age Regular Joe Heel Proof 4.8x19.6 grate - Raw

    Iron Age IA-JOE-0520-HP Class B Heel-Proof Regular Joe Cast Iron 122mm x 500mm Grate - RAW

    Iron Age IA-JOE-0520-HP Class B Heel-Proof Regular Joe Cast Iron 122mm x 500mm Grate - RAW

    Regular price $174.46 USD
    Regular price Sale price $174.46 USD
    Unit price /  per 
  • POLYCAST DG0641D-G Slotted Ductile Iron - Galvanized Grate 6" x 24" (Nominal)

    POLYCAST DG0641D-G Slotted Ductile Iron - Galvanized Grate 6" x 24" (Nominal)

    POLYCAST DG0641D-G Slotted Ductile Iron - Galvanized Grate 6" x 24" (Nominal)

    Regular price $73.99 USD
    Regular price Sale price $73.99 USD
    Unit price /  per 
  • Trench•Era™ FF Series Drain System w/DG3043D 8" Wide Class D Grate - HD Galvanized Frame

    Trench•Era™ FF Series Drain System w/DG3043D 8" Wide Class D Grate - HD Galvanized Frame

    Trench•Era™ FF Series Drain System w/DG3043D 8" Wide Class D Grate - HD Galvanized Frame

    Request quote
  • FFKS-DG3045

    Trench•Era™ FF Series Drain System w/FG3045 8" Wide Class B Grate - HD Stainless Frame

    Trench•Era™ FF Series Drain System w/FG3045 8" Wide Class B Grate - HD Stainless Frame

    Request quote
  • FFKS-DG3044

    Trench•Era™ FF Series Drain System w/FG3044 8" Wide Class C Grate - HD Stainless Frame

    Trench•Era™ FF Series Drain System w/FG3044 8" Wide Class C Grate - HD Stainless Frame

    Request quote
  • FFK-DG3041D

    Trench•Era™ FF Series Drain System w/DG3041D 8" Wide Class F Grate - HD Galvanized Frame

    Trench•Era™ FF Series Drain System w/DG3041D 8" Wide Class F Grate - HD Galvanized Frame

    Request quote
  • Trench•Era™ FP Series Drain System w/DG3042D 8" Wide Class D Grate - HD Galvanized Frame

    Trench•Era™ FP Series Drain System w/DG3042D 8" Wide Class D Grate - HD Galvanized Frame

    Trench•Era™ FP Series Drain System w/DG3042D 8" Wide Class D Grate - HD Galvanized Frame

    Request quote
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Resources

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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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