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Drainage Kits
  • Shop All
  • 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
      • Load Class F
      • 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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  • Trench•Era™ FP Series Drain System w/DG1241 14" Wide Class C Grate - MD Stainless Frame

    Trench•Era™ FP Series Drain System w/DG1241 14" Wide Class C Grate - MD Stainless Frame

    Trench•Era™ FP Series Drain System w/DG1241 14" Wide Class C Grate - MD Stainless Frame

    Request quote
  • DA3042M - TDS 3000 locking device

    TDS DA3042M Hold-Down for 3000 Series Fiberglass Mesh Grate

    TDS DA3042M Hold-Down for 3000 Series Fiberglass Mesh Grate

    Regular price $42.35 USD
    Regular price Sale price $42.35 USD
    Unit price /  per 
  • DP0651-685HD

    POLYCAST® DP0651 Catch Basin w/DG0685HD Transverse Slotted Ductile Iron Grate

    POLYCAST® DP0651 Catch Basin w/DG0685HD Transverse Slotted Ductile Iron Grate

    Regular price $1,208.15 USD
    Regular price Sale price $1,208.15 USD
    Unit price /  per 
  • TP0650S-DG0641D-CF Catch Basin w/ Ductile Iron Slotted Grate and Frame

    TV0750S (Shallow) Catch Basin Kit w/ DG0641D for POLYCAST®-Ductile Iron Frame

    TV0750S (Shallow) Catch Basin Kit w/ DG0641D for POLYCAST®-Ductile Iron Frame

    Regular price $543.94 USD
    Regular price Sale price $543.94 USD
    Unit price /  per 
  • FPK-FG1241-G

    Trench•Era™ FP Series Drain System w/DG1241 14" Wide Class C Grate - MD Galvanized Frame

    Trench•Era™ FP Series Drain System w/DG1241 14" Wide Class C Grate - MD Galvanized Frame

    Request quote
  • POLY500-PE-641D-TDSdrains HPDE frame ductile iron slotted grate POLYCAST shallow polymer concrete channel

    POLYCAST 500 Series Kit with DG0641D Slotted Ductile Iron Grate and HDPE Frame

    POLYCAST 500 Series Kit with DG0641D Slotted Ductile Iron Grate and HDPE Frame

    Regular price From $396.68 USD
    Regular price Sale price From $396.68 USD
    Unit price /  per 
  • FPK-FG1242-G

    Trench•Era™ FP Series Drain System w/DG1242 14" Wide Class E Grate - MD Galvanized Frame

    Trench•Era™ FP Series Drain System w/DG1242 14" Wide Class E Grate - MD Galvanized Frame

    Request quote
  • HW FGDI Locking Device for FP1200

    HW FGDI Locking Device for FP1200 Series Ductile Iron & Galvanized Grates

    HW FGDI Locking Device for FP1200 Series Ductile Iron & Galvanized Grates

    Regular price $8.28 USD
    Regular price Sale price $8.28 USD
    Unit price /  per 
  • NDS500S-BA-BARS-D Ductile Iron Black

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

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

    Regular price From $183.32 USD
    Regular price Sale price From $183.32 USD
    Unit price /  per 
  • P4-CG Zurn cast iron slotted grate

    Zurn P4-CG Class B Slotted Cast Iron 4" x 20" Grate

    Zurn P4-CG Class B Slotted Cast Iron 4" x 20" Grate

    Regular price $72.00 USD
    Regular price Sale price $72.00 USD
    Unit price /  per 
  • TP0650S-AA-640R

    TP0750S (Shallow) Catch Basin Kit w/ DG0640RH for POLYCAST®-Ductile Iron Frame

    TP0750S (Shallow) Catch Basin Kit w/ DG0640RH for POLYCAST®-Ductile Iron Frame

    Regular price $552.68 USD
    Regular price Sale price $552.68 USD
    Unit price /  per 
  • NDS 554CI Cast Iron BOOF 3x12 botanical grate

    NDS 554CI-BF Class B ADA Compliant Botanical Cast Iron 3" x 12" Grate - BoOF

    NDS 554CI-BF Class B ADA Compliant Botanical Cast Iron 3" x 12" Grate - BoOF

    Regular price $93.16 USD
    Regular price Sale price $93.16 USD
    Unit price /  per 
  • NDS838-load-star-grate-2

    NDS 838 Class C Heavy Duty ADA High Impact Nylon Grate 8" x 20" (Nominal)

    NDS 838 Class C Heavy Duty ADA High Impact Nylon Grate 8" x 20" (Nominal)

    Regular price $220.31 USD
    Regular price Sale price $220.31 USD
    Unit price /  per 
  • TP0650S-AA-646R

    TP0750S (Shallow) Catch Basin Kit w/ DG0646RH for POLYCAST®-Ductile Iron Frame

    TP0750S (Shallow) Catch Basin Kit w/ DG0646RH for POLYCAST®-Ductile Iron Frame

    Regular price $523.00 USD
    Regular price Sale price $523.00 USD
    Unit price /  per 
  • IA-Oblio-0418-hp

    Iron Age IA-OBLIO-0418-HP Class A Heel-Proof OBLIO Cast Iron 4" x 18" Grate - RAW

    Iron Age IA-OBLIO-0418-HP Class A Heel-Proof OBLIO Cast Iron 4" x 18" Grate - RAW

    Regular price $141.57 USD
    Regular price Sale price $141.57 USD
    Unit price /  per 
  • New Image Coming Soon

    NDS® Dura Slope In-Line Catch Basin with DS-232 Ductile Iron Grate

    NDS® Dura Slope In-Line Catch Basin with DS-232 Ductile Iron Grate

    Regular price From $640.03 USD
    Regular price Sale price From $640.03 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 Hydro Mini Plus H80 with ULMA 460 Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini with Ductile Iron Slotted Grate (460) Class C

    ULMA HYDROPLUS Mini with Ductile Iron Slotted Grate (460) Class C

    Regular price From $135.94 USD
    Regular price Sale price From $135.94 USD
    Unit price /  per 
  • IA-Loc-CB12-BF Iron Age Locust Catch Basin Grate 12x12" in Baked on Oil Finish

    Iron Age IA-LOC-CB12-BF Class B Locust Cast Iron 12" x 12" Grate - BoOF

    Iron Age IA-LOC-CB12-BF Class B Locust Cast Iron 12" x 12" Grate - BoOF

    Regular price $297.44 USD
    Regular price Sale price $297.44 USD
    Unit price /  per 
  • TP0650S-CF-657RH Inline catch basin with cast iron frame and perforated stainless steel grates

    TV0750S (Shallow) Catch Basin Kit w/ DG0657R for POLYCAST®-Ductile Iron Frame

    TV0750S (Shallow) Catch Basin Kit w/ DG0657R for POLYCAST®-Ductile Iron Frame

    Regular price $806.26 USD
    Regular price Sale price $806.26 USD
    Unit price /  per 
  • TP0650S-CF-647RH Linear Catch Basin with Cast Iron Frame and Stainless Steel Slot grate

    TP0750S (Shallow) Catch Basin Kit w/ DG0647RH for POLYCAST®-Ductile Iron Frame

    TP0750S (Shallow) Catch Basin Kit w/ DG0647RH for POLYCAST®-Ductile Iron Frame

    Regular price $691.71 USD
    Regular price Sale price $691.71 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 $1,681.35 USD
    Regular price Sale price From $1,681.35 USD
    Unit price /  per 
  • ULMA HYDRO PLUS with ULMA 460 Ductile Iron Grate-Class C

    ULMA HYDROPLUS with 460 / FNX100KCCM Ductile Iron Slotted Grate Class C

    ULMA HYDROPLUS with 460 / FNX100KCCM Ductile Iron Slotted Grate Class C

    Regular price From $190.64 USD
    Regular price Sale price From $190.64 USD
    Unit price /  per 
  • Reinforced Slotted Stainless Steel Grate

    POLYCAST DG0647RH Reinforced Slotted Stainless Steel 6"x24" Grate (Nominal) | Load Class C

    POLYCAST DG0647RH Reinforced Slotted Stainless Steel 6"x24" Grate (Nominal) | Load Class C

    Regular price $362.63 USD
    Regular price Sale price $362.63 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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