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    • 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
      • 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
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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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      • Stainless Steel
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  • New Image Coming Soon

    POLYCAST® DP0750 Inline Catch Basin w/DG0657RH Perforated Stainless Grate & DI Frame

    POLYCAST® DP0750 Inline Catch Basin w/DG0657RH Perforated Stainless Grate & DI Frame

    Regular price $745.94 USD
    Regular price Sale price $745.94 USD
    Unit price /  per 
  • New Image Coming Soon

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

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

    Regular price From $3,095.80 USD
    Regular price Sale price From $3,095.80 USD
    Unit price /  per 
  • DG0675-polycast-duraguard-longit-slotted-grate-TDSdrains

    POLYCAST® DG0675 Transverse Slotted HDPE 6"x24" (Nominal) Grate - BLACK-Class A

    POLYCAST® DG0675 Transverse Slotted HDPE 6"x24" (Nominal) Grate - BLACK-Class A

    Regular price $50.33 USD
    Regular price Sale price $50.33 USD
    Unit price /  per 
  • POLY600-GS-640R

    POLYCAST®600 Series Kit w/DG0640R Slotted Galvanized Grate and Edging

    POLYCAST®600 Series Kit w/DG0640R Slotted Galvanized Grate and Edging

    Regular price From $392.13 USD
    Regular price Sale price From $392.13 USD
    Unit price /  per 
  • U100K with 402 Galvanized Steel Mesh Grate

    ULMA U100K Drainage Kit with ULMA 402 Mesh Grate | Galvanized

    Sale

    ULMA U100K Drainage Kit with ULMA 402 Mesh Grate | Galvanized

    Regular price From $122.69 USD
    Regular price $157.74 USD Sale price From $122.69 USD
    Unit price /  per 
    Sale
  • POLY600-SS-675 Polycast 600 Kit with DG0675 Transverse slot HDPE Plastic Grates with a Stainless Steel Edge

    POLYCAST® 600 Series Kit w/ DG0675 Plastic HDPE Grate & Stainless Edge

    POLYCAST® 600 Series Kit w/ DG0675 Plastic HDPE Grate & Stainless Edge

    Regular price From $255.52 USD
    Regular price Sale price From $255.52 USD
    Unit price /  per 
  • POLYCAST 600 W/ DG0675

    POLYCAST® 600 Series Kit w/ DG0675 Plastic HDPE Grate - Load Class A

    POLYCAST® 600 Series Kit w/ DG0675 Plastic HDPE Grate - Load Class A

    Regular price From $213.22 USD
    Regular price Sale price From $213.22 USD
    Unit price /  per 
  • ULMA drain channel with stainless steel edge and polypropylene grate

    ULMA U100K Kit with 494 / PNH100KCAM Polypropylene ADA Heel Proof Grate – BLACK

    Sale

    ULMA U100K Kit with 494 / PNH100KCAM Polypropylene ADA Heel Proof Grate – BLACK

    Regular price From $298.23 USD
    Regular price $373.44 USD Sale price From $298.23 USD
    Unit price /  per 
    Sale
  • ULMA HYDRO PLUS with IA-JOE-0520-HP Iron Age Regular Joe Heel Proof Grate Class BULMA HYDRO PLUS with IA-JOE-0520-HP Iron Age Regular Joe Heel Proof Grate Class B

    ULMA HYDROPLUS with Iron Age IA-JOE-0520-HP Regular Joe Heel Proof Raw Cast Iron Grate Class B

    Sale

    ULMA HYDROPLUS with Iron Age IA-JOE-0520-HP Regular Joe Heel Proof Raw Cast Iron Grate Class B

    Regular price From $434.71 USD
    Regular price $456.60 USD Sale price From $434.71 USD
    Unit price /  per 
    Sale
  • 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 
  • New Image Coming Soon

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

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

    Regular price From $3,215.80 USD
    Regular price Sale price From $3,215.80 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 
  • M100K-Oblio Iron Age raw cast iron deco grate polymer concrete galv edge ULMA channel

    ULMA M100K W/ Iron Age Oblio Grate

    Sale

    ULMA M100K W/ Iron Age Oblio Grate

    Regular price From $524.99 USD
    Regular price $565.30 USD Sale price From $524.99 USD
    Unit price /  per 
    Sale
  • MV+200KX-661

    ULMA MV+200KX w/ 661 Ductile Iron 9X20 Slotted Grate Class E

    Sale

    ULMA MV+200KX w/ 661 Ductile Iron 9X20 Slotted Grate Class E

    Regular price From $267.63 USD
    Regular price $344.10 USD Sale price From $267.63 USD
    Unit price /  per 
    Sale
  • MV+200K-660 ULMA MULTIV with 660 grate and galvanized edging

    ULMA MV+200K w/ 660 Ductile Iron 9X20 Slotted Grate Class D

    Sale

    ULMA MV+200K w/ 660 Ductile Iron 9X20 Slotted Grate Class D

    Regular price From $195.77 USD
    Regular price $251.70 USD Sale price From $195.77 USD
    Unit price /  per 
    Sale
  • Trench•Era™ FP Series Drain System w/DG0875 10" Wide Class E ADA Grate - HD Stainless Frame

    Trench•Era™ FP Series Drain System w/DG0875 10" Wide Class E ADA Grate - HD Stainless Frame

    Trench•Era™ FP Series Drain System w/DG0875 10" Wide Class E ADA Grate - HD Stainless Frame

    Request quote
  • ULMA HYDROPLUS with Iron Age Janis Raw Cast Iron Grate

    ULMA HYDROPLUS with Iron Age JA5-20I21 / IA-JANIS-0520 Janis Raw Cast Iron Grate Class B

    Sale

    ULMA HYDROPLUS with Iron Age JA5-20I21 / IA-JANIS-0520 Janis Raw Cast Iron Grate Class B

    Regular price From $441.85 USD
    Regular price $465.78 USD Sale price From $441.85 USD
    Unit price /  per 
    Sale
  • ULMA HYDRO PLUS with IA-ARGO-0520-HP Iron Age Argo Heelproof Grate-Class B

    ULMA HYDROPLUS w/ Iron Age IA-ARGO-0520-HP Argo Heel Proof Raw Cast Iron Grate Class B

    Sale

    ULMA HYDROPLUS w/ Iron Age IA-ARGO-0520-HP Argo Heel Proof Raw Cast Iron Grate Class B

    Regular price From $441.85 USD
    Regular price $465.78 USD Sale price From $441.85 USD
    Unit price /  per 
    Sale
  • 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™ FP Series Drain System w/DG0841 10" Wide Class C Grate - HD Stainless Frame

    Trench•Era™ FP Series Drain System w/DG0841 10" Wide Class C Grate - HD Stainless Frame

    Trench•Era™ FP Series Drain System w/DG0841 10" Wide Class C Grate - HD Stainless Frame

    Request quote
  • DP0600 POLYCAST 600 channel

    POLYCAST 600 Sloped Channel Kit - w/o Grates

    POLYCAST 600 Sloped Channel Kit - w/o Grates

    Regular price From $192.44 USD
    Regular price Sale price From $192.44 USD
    Unit price /  per 
  • New Image Coming Soon

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

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

    Regular price From $2,431.80 USD
    Regular price Sale price From $2,431.80 USD
    Unit price /  per 
  • Micro Mesh Molded Fiberglass Grating

    FG-MICRO-CB18 Class A ADA Compliant 18" x 18" Grate - Dark GRAY

    FG-MICRO-CB18 Class A ADA Compliant 18" x 18" Grate - Dark GRAY

    Regular price $303.81 USD
    Regular price Sale price $303.81 USD
    Unit price /  per 
  • TP0650S-DG0669-PF Catch Basin w/ Stainless Steel Bar Grate with HDPE Grate

    TV0750S (Shallow) Catch Basin Kit w/ DG0669 for POLYCAST®-HDPE Frame

    TV0750S (Shallow) Catch Basin Kit w/ DG0669 for POLYCAST®-HDPE Frame

    Regular price $1,018.03 USD
    Regular price Sale price $1,018.03 USD
    Unit price /  per 
  • POLYCAST 500 DG0640 Galvanized edge

    POLYCAST 500 Series Kit with DG0640 Slotted Galvanized Grate and Edging

    POLYCAST 500 Series Kit with DG0640 Slotted Galvanized Grate and Edging

    Regular price From $334.46 USD
    Regular price Sale price From $334.46 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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