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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
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      • Load Class A
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      • 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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  • Polycast 500 with Ductile Iron Patriot Grate galvanized steel edge

    POLYCAST 500 Series Kit with DG0692 Patriot Ductile Iron Grate and Galvanized Edging

    POLYCAST 500 Series Kit with DG0692 Patriot Ductile Iron Grate and Galvanized Edging

    Regular price From $473.45 USD
    Regular price Sale price From $473.45 USD
    Unit price /  per 
  • MMS-SB-LUNA-B

    TDS™ 3" Sand MAX Mini w/ Brushed Bronze Luna Grate & Satin Bronze Edge

    TDS™ 3" Sand MAX Mini w/ Brushed Bronze Luna Grate & Satin Bronze Edge

    Regular price $1,198.59 USD
    Regular price Sale price $1,198.59 USD
    Unit price /  per 
  • ULMA HYDROPLUS with 480 ductile iron heel proof slotted grate

    ULMA HYDROPLUS Mini with Ductile Iron Slotted Grate (480) Class C

    Sale

    ULMA HYDROPLUS Mini with Ductile Iron Slotted Grate (480) Class C

    Regular price From $129.76 USD
    Regular price $159.97 USD Sale price From $129.76 USD
    Unit price /  per 
    Sale
  • Catch Basin PCK6-CB06S-DG0631 Stainless Steel SLOT

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

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

    Regular price $365.50 USD
    Regular price Sale price $365.50 USD
    Unit price /  per 
  • TV0750S (Shallow) Catch Basin Kit w/ DG0655R for POLYCAST®-HDPE Frame

    TV0750S (Shallow) Catch Basin Kit w/ DG0655R for POLYCAST®-HDPE Frame

    TV0750S (Shallow) Catch Basin Kit w/ DG0655R for POLYCAST®-HDPE Frame

    Regular price $783.53 USD
    Regular price Sale price $783.53 USD
    Unit price /  per 
  • DG0641S Ductile Iron Solid Grate for use with POLYCAST 500 and 600 Series

    DG0641S POLYCAST® Ductile Iron Solid Cover

    DG0641S POLYCAST® Ductile Iron Solid Cover

    Regular price $66.65 USD
    Regular price Sale price $66.65 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 
  • MMG-SB-BA-TAR

    TDS™ 3" Gray MAX Mini w/ Natural Bronze Tardis Grate & Satin Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Natural Bronze Tardis Grate & Satin Bronze Edge

    Regular price $1,033.59 USD
    Regular price Sale price $1,033.59 USD
    Unit price /  per 
  • MMS-BF-BA-BARS-B

    TDS™ 3" Sand MAX Mini w/ Brushed Bronze BARS Grate & Oil Rubbed Bronze Edge

    TDS™ 3" Sand MAX Mini w/ Brushed Bronze BARS Grate & Oil Rubbed Bronze Edge

    Regular price $1,198.59 USD
    Regular price Sale price $1,198.59 USD
    Unit price /  per 
  • BA-TAR-0312-BF TDS Bronze Age Tardis grate in BoOF

    TDS® 3" Gray Max Mini w/ Bronze Age™ Tardis Grate - BoOF & Oil Rubbed Bronze Edge

    TDS® 3" Gray Max Mini w/ Bronze Age™ Tardis Grate - BoOF & Oil Rubbed Bronze Edge

    Regular price From $716.46 USD
    Regular price Sale price From $716.46 USD
    Unit price /  per 
  • Catch Basin PCK6-CB06S-DG0632 Stainless Steel FOAM

    TP0650S (Shallow) Catch Basin Kit w/ DG0632H for POLYCAST®

    TP0650S (Shallow) Catch Basin Kit w/ DG0632H for POLYCAST®

    Regular price $372.53 USD
    Regular price Sale price $372.53 USD
    Unit price /  per 
  • M100K Minnione Iron Age cast iron deco raw grate polymer concrete galv edge ULMA channel

    ULMA M100K W/Iron Age Minnione Grate

    Sale

    ULMA M100K W/Iron Age Minnione Grate

    Regular price From $524.99 USD
    Regular price $565.30 USD Sale price From $524.99 USD
    Unit price /  per 
    Sale
  • P6-DGE Zurn ductile iron class E grate

    Zurn P6-DGE-USA Class E Slotted Ductile Iron 6" x 20" Grate

    Zurn P6-DGE-USA Class E Slotted Ductile Iron 6" x 20" Grate

    Regular price $264.80 USD
    Regular price Sale price $264.80 USD
    Unit price /  per 
  • POLY700-AA-640R

    POLYCAST®700 Kit w/ DG0640R Reinforced Galvanized Slotted Grate - Ductile Iron Frame

    POLYCAST®700 Kit w/ DG0640R Reinforced Galvanized Slotted Grate - Ductile Iron Frame

    Regular price From $725.50 USD
    Regular price Sale price From $725.50 USD
    Unit price /  per 
  • ULMA HYDROPLUS w/ FERN Ductile Iron Grate - Class C

    ULMA HYDROPLUS w/ FERN Ductile Iron Grate - Class C

    Sale

    ULMA HYDROPLUS w/ FERN 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
  • New Image Coming Soon

    ULMA HYDROPLUS w/ 465 Slotted Ductile Iron Grate - Class B

    Sale

    ULMA HYDROPLUS w/ 465 Slotted Ductile Iron Grate - Class B

    Regular price From $141.93 USD
    Regular price $179.86 USD Sale price From $141.93 USD
    Unit price /  per 
    Sale
  • Trench•Era™ FP Series Drain System w/DG1248R 14" Wide Class C Grate - MD Stainless Frame

    Trench•Era™ FP Series Drain System w/DG1248R 14" Wide Class C Grate - MD Stainless Frame

    Trench•Era™ FP Series Drain System w/DG1248R 14" Wide Class C Grate - MD Stainless Frame

    Request quote
  • BA-BARS-0312-BF

    TDS® 3" Sand Max Mini w/ Bronze Age™ Bars Grate - BoOF & Oil Rubbed Bronze Edge

    TDS® 3" Sand Max Mini w/ Bronze Age™ Bars Grate - BoOF & Oil Rubbed Bronze Edge

    Regular price From $716.46 USD
    Regular price Sale price From $716.46 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 
  • ULMA Hydro Mini Plus H80 with ULMA 420 Galvanized Steel Slotted Grate Class A

    ULMA HYDROPLUS Mini with Galvanized Slotted Grate (420 / GN100KCA) Class A

    Sale

    ULMA HYDROPLUS Mini with Galvanized Slotted Grate (420 / GN100KCA) Class A

    Regular price From $73.18 USD
    Regular price $90.97 USD Sale price From $73.18 USD
    Unit price /  per 
    Sale
  • HYDROPLUS with Iron Age Oblio BoOF Cast Iron

    ULMA HYDROPLUS with Iron Age OA5-20I21 / IA-OBLIO-0520 Oblio BoOF Cast Iron Grate Class B

    Sale

    ULMA HYDROPLUS with Iron Age OA5-20I21 / IA-OBLIO-0520 Oblio 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
  • TP0650S-DG0675HD-CF Catch Basin w/ Transverse Slotted Ductile Iron Grate with Cast Iron Frame

    TV0750S (Shallow) Catch Basin Kit w/ DG0675HD for POLYCAST®-Ductile Iron Frame

    TV0750S (Shallow) Catch Basin Kit w/ DG0675HD for POLYCAST®-Ductile Iron Frame

    Regular price $539.87 USD
    Regular price Sale price $539.87 USD
    Unit price /  per 
  • MMS-SB-STAR

    TDS™ 3" Sand MAX Mini w/ Natural Bronze Star Grate & Satin Bronze Edge

    TDS™ 3" Sand MAX Mini w/ Natural Bronze Star Grate & Satin Bronze Edge

    Regular price From $1,025.11 USD
    Regular price Sale price From $1,025.11 USD
    Unit price /  per 
  • DP0650-Catch Basin

    POLYCAST® DP0750 Inline Catch Basin w/DG0646R Perforated Galvanized Grate & HDPE Frame

    POLYCAST® DP0750 Inline Catch Basin w/DG0646R Perforated Galvanized Grate & HDPE Frame

    Regular price $557.04 USD
    Regular price Sale price $557.04 USD
    Unit price /  per 
  • FG-MESH-CB12 fiberglass catch basin 12 inch grate

    FG-MESH-CB12 Class A Fiberglass 12" x 12" x 1" Catch Basin Grate - Dark Grey

    FG-MESH-CB12 Class A Fiberglass 12" x 12" x 1" Catch Basin Grate - Dark Grey

    Regular price $63.77 USD
    Regular price Sale price $63.77 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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