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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
      • Load Class C
      • Load Class D
      • Load Class E
      • Load Class F
      • All Load Classes
  • Grates
    • 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
      • All Grate Materials
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  • 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 
  • 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 
  • 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 
  • ULMA HYDRO PLUS with IA-JOE-0520-BF Iron Age Regular Joe BoOF Grate_Class B

    ULMA HYDROPLUS with Iron Age Regular Joe Cast Iron Grate IA-JOE-0520-BF - BoOF

    Sale

    ULMA HYDROPLUS with Iron Age Regular Joe Cast Iron Grate IA-JOE-0520-BF - BoOF

    Regular price From $551.97 USD
    Regular price $573.86 USD Sale price From $551.97 USD
    Unit price /  per 
    Sale
  • ULMA HYDROPLUS with Interlaken Heel Proof BoOF Grate

    ULMA HYDROPLUS with Iron Age IA-INTER-HP-BF-0520 Interlaken HP BoOF Cast Iron Grate Class B

    Sale

    ULMA HYDROPLUS with Iron Age IA-INTER-HP-BF-0520 Interlaken HP 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
  • DP0650-XX-675HD Polycast 600 with Ductile Iron Transverse Slotted Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0675HD Transverse Slotted Ductile Iron Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0675HD Transverse Slotted Ductile Iron Grate

    Regular price $399.88 USD
    Regular price Sale price $399.88 USD
    Unit price /  per 
  • Hydro Plus with Interlaken Raw Grate IA-INTER-0520

    ULMA HYDROPLUS with Iron Age IA-INTER-0520 Interlaken Raw Cast Iron Grate Class B

    Sale

    ULMA HYDROPLUS with Iron Age IA-INTER-0520 Interlaken 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
  • ULMA HYDRO PLUS with IA-RIV-0520 Iron Age River Rock Grate-Class B

    ULMA HYDROPLUS with Iron Age IA-RIV-0520 River Rock - RAW

    Sale

    ULMA HYDROPLUS with Iron Age IA-RIV-0520 River Rock - RAW

    Regular price From $441.85 USD
    Regular price $465.78 USD Sale price From $441.85 USD
    Unit price /  per 
    Sale
  • ULMA HYDROPLUS - Que Raw Finish Grate

    ULMA HYDROPLUS with Iron Age QUA5-20I21HP / IA-QUE-0520 Que Raw Cast Iron Grate Class B

    Sale

    ULMA HYDROPLUS with Iron Age QUA5-20I21HP / IA-QUE-0520 Que 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
  • TP0650S-GS-622 Catch Basin w/ DG0622 galvanized Foam perforated grate and edging

    TP0650S (Shallow) Catch Basin Kit w/ DG0622H & Galvanized Edge for POLYCAST®

    TP0650S (Shallow) Catch Basin Kit w/ DG0622H & Galvanized Edge for POLYCAST®

    Regular price $400.35 USD
    Regular price Sale price $400.35 USD
    Unit price /  per 
  • PCK6-CB06S-DG0644SP Catch Basin w/ fiberglass grate

    TP0650S (Shallow) Catch Basin Kit w/ FG0644SPH for POLYCAST®

    TP0650S (Shallow) Catch Basin Kit w/ FG0644SPH for POLYCAST®

    Regular price $436.10 USD
    Regular price Sale price $436.10 USD
    Unit price /  per 
  • IA-ANISE-0520-HP-BF BOOF Iron Age Grate

    Iron Age IA-ANISE-0520-HP-BF Class B Cast Iron 5x20 Heel Proof ADA Compliant Grate - BoOF

    Iron Age IA-ANISE-0520-HP-BF Class B Cast Iron 5x20 Heel Proof ADA Compliant Grate - BoOF

    Regular price $210.21 USD
    Regular price Sale price $210.21 USD
    Unit price /  per 
  • 9P10 -Top

    NDS® 9P10 Offset Downspout Pipe Adapter- 4"x6"x6"

    NDS® 9P10 Offset Downspout Pipe Adapter- 4"x6"x6"

    Regular price $181.91 USD
    Regular price Sale price $181.91 USD
    Unit price /  per 
  • M100K-PNH100KCAM-BL Poly Black Heel-proof ADA grate polymer concrete galv edge low profile ULMA channel

    ULMA M100K Kit with 494 / PNH100KCAM Polypropylene ADA Heel Proof Grate – BLACK

    Sale

    ULMA M100K Kit with 494 / PNH100KCAM Polypropylene ADA Heel Proof Grate – BLACK

    Regular price From $219.20 USD
    Regular price $271.83 USD Sale price From $219.20 USD
    Unit price /  per 
    Sale
  • 9x9-cb-kit-lp-ci-grate-interlaken-1024x768-Recovered

    NDS 930 Low Profile 9" Catch Basin Kit with Iron Age Interlaken Grate | Natural

    NDS 930 Low Profile 9" Catch Basin Kit with Iron Age Interlaken Grate | Natural

    Regular price From $255.89 USD
    Regular price Sale price From $255.89 USD
    Unit price /  per 
  • POLYLOK PL-90860 Class B Mesh Polypropylene 5" x 48" Grate

    POLYLOK PL-90860 Class B Mesh Polypropylene 5" x 48" Grate

    POLYLOK PL-90860 Class B Mesh Polypropylene 5" x 48" Grate

    Regular price From $97.89 USD
    Regular price Sale price From $97.89 USD
    Unit price /  per 
  • TP0650S Catch basin with DG0655R Stainless Steel Reinforced Wedge Wire Grate

    TV0650S (Shallow) VE Catch Basin Kit w/ DG0655H for POLYCAST®

    TV0650S (Shallow) VE Catch Basin Kit w/ DG0655H for POLYCAST®

    Regular price $744.85 USD
    Regular price Sale price $744.85 USD
    Unit price /  per 
  • TP0650S-DG0646-GE Catch basin w/ Perforated Galvanized Grate and Galvanized Edging

    TP0650S (Shallow) Catch Basin Kit w/ DG0646H & Galvanized Edge for POLYCAST®

    TP0650S (Shallow) Catch Basin Kit w/ DG0646H & Galvanized Edge for POLYCAST®

    Regular price $364.68 USD
    Regular price Sale price $364.68 USD
    Unit price /  per 
  • TP0650S-GS-621 Catch Basin w/ Galvanized DG0621 transverse slotted grate and edging

    TP0650S (Shallow) Catch Basin Kit w/ DG0621H & Galvanized Edge for POLYCAST®

    TP0650S (Shallow) Catch Basin Kit w/ DG0621H & Galvanized Edge for POLYCAST®

    Regular price $398.05 USD
    Regular price Sale price $398.05 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
  • 9x9 NDS Catch Basin

    NDS 12" Low Profile Catch Basin Kit w/Iron Age Interlaken Grate | RAW

    NDS 12" Low Profile Catch Basin Kit w/Iron Age Interlaken Grate | RAW

    Regular price From $296.57 USD
    Regular price Sale price From $296.57 USD
    Unit price /  per 
  • TP0650S-DG0641D-GE Catch Basin w/ Slotted Ductile Iron with Galvanized Edging

    TP0650S (Shallow) Catch Basin Kit w/ DG0641D & Galvanized Edge for POLYCAST®

    TP0650S (Shallow) Catch Basin Kit w/ DG0641D & Galvanized Edge for POLYCAST®

    Regular price $368.31 USD
    Regular price Sale price $368.31 USD
    Unit price /  per 
  • M100KX polymer concrete channel with stainless steel edge with Iron Age Baked on Oil Finish Cast Iron Janis grate

    ULMA M100KX Kit with Iron Age JA5-20I21 Janis Grate – BoOF

    Sale

    ULMA M100KX Kit with Iron Age JA5-20I21 Janis Grate – BoOF

    Regular price From $718.03 USD
    Regular price $779.98 USD Sale price From $718.03 USD
    Unit price /  per 
    Sale
  • ULMA M100KX polymer concrete channel with stainless steel edge and Iron Age Baked on Oil Finish Cast Iron Oblio grate

    ULMA M100KX Kit with Iron Age Oblio Cast Iron Grate - BoOF

    Sale

    ULMA M100KX Kit with Iron Age Oblio Cast Iron Grate - BoOF

    Regular price From $718.03 USD
    Regular price $779.98 USD Sale price From $718.03 USD
    Unit price /  per 
    Sale
  • M100KX polymer concrete channel with stainless steel edge with Iron Age Raw Cast Iron Janis grate

    ULMA M100KX Kit with Iron Age JA5-20I21 Janis Grate - RAW

    Sale

    ULMA M100KX Kit with Iron Age JA5-20I21 Janis Grate - RAW

    Regular price From $600.77 USD
    Regular price $662.72 USD Sale price From $600.77 USD
    Unit price /  per 
    Sale
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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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