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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
      • 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
      • Aluminum
      • Bronze
      • Ductile/Cast Iron
      • Fiberglass
      • Galvanized Steel
      • Plastic
      • Stainless Steel
      • All Grate Materials
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  • M100K- with 402 Galvanized Mesh Grate

    M100K W/ 1M Galv. Steel Mesh Grate (402)-ULMA

    Sale

    M100K W/ 1M Galv. Steel Mesh Grate (402)-ULMA

    Regular price From $247.65 USD
    Regular price $308.40 USD Sale price From $247.65 USD
    Unit price /  per 
    Sale
  • MMG-BF-BARS-B

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

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

    Regular price From $1,198.59 USD
    Regular price Sale price From $1,198.59 USD
    Unit price /  per 
  • 6516 USF cast iron frame - set of 2

    Heavy Duty Gray Iron USF 6516-2 Frame Rails 1.5" x 48" (Set of 2)

    Heavy Duty Gray Iron USF 6516-2 Frame Rails 1.5" x 48" (Set of 2)

    Regular price $232.12 USD
    Regular price Sale price $232.12 USD
    Unit price /  per 
  • TP0650S - DG0675HD-PF Catch Basin w/ Cast Iron Transverse Slotted Grate and HDPE Frame

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

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

    Regular price $502.98 USD
    Regular price Sale price $502.98 USD
    Unit price /  per 
  • 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
  • POLY500-GS-641D Polycast 500 with Galvanized Steel Edge and Polycast DG0641D Slotted Ductile Iron Grates

    POLYCAST 500 Series Kit with DG0641D Slotted Ductile Iron Grate and Galvanized Edging

    POLYCAST 500 Series Kit with DG0641D Slotted Ductile Iron Grate and Galvanized Edging

    Regular price From $368.97 USD
    Regular price Sale price From $368.97 USD
    Unit price /  per 
  • Hydro Mini Plus with 486 Vinylester FRP .9 on center Grate Class B_1 Meter

    ULMA HYDROPLUS Mini with 486 Fiberglass Grate - Load Class B

    Sale

    ULMA HYDROPLUS Mini with 486 Fiberglass Grate - Load Class B

    Regular price From $203.56 USD
    Regular price $254.87 USD Sale price From $203.56 USD
    Unit price /  per 
    Sale
  • TP0750S (Shallow) Catch Basin Kit w/ DG0655R for POLYCAST®-HDPE Frame

    TP0750S (Shallow) Catch Basin Kit w/ DG0655R for POLYCAST®-HDPE Frame

    TP0750S (Shallow) Catch Basin Kit w/ DG0655R for POLYCAST®-HDPE Frame

    Regular price $637.19 USD
    Regular price Sale price $637.19 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST 500 Series Kit with DG0641D-G Slotted Ductile Iron-Galvanized Grate and Galvanized Edging

    POLYCAST 500 Series Kit with DG0641D-G Slotted Ductile Iron-Galvanized Grate and Galvanized Edging

    Regular price From $368.97 USD
    Regular price Sale price From $368.97 USD
    Unit price /  per 
  • TP0650S Catch Basin with DG0621 Slot Galvanized with DG0620 Cathedral Galvanized

    TP0650S (Shallow) Catch Basin Kit w/ DG0620H for POLYCAST®

    TP0650S (Shallow) Catch Basin Kit w/ DG0620H for POLYCAST®

    Regular price $346.63 USD
    Regular price Sale price $346.63 USD
    Unit price /  per 
  • POLYCAST 600 with DG0644 Fiberglass Grate POLY600-XX-644

    POLYCAST® 600 Vinyl Ester Series Kit with FG0644 Fiberglass

    POLYCAST® 600 Vinyl Ester Series Kit with FG0644 Fiberglass

    Regular price From $421.14 USD
    Regular price Sale price From $421.14 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST 600 Series Kit w/ ADA DG0675HD-G Transverse Slotted Ductile Iron-Galvanized Grate & Edging

    POLYCAST 600 Series Kit w/ ADA DG0675HD-G Transverse Slotted Ductile Iron-Galvanized Grate & Edging

    Regular price From $277.24 USD
    Regular price Sale price From $277.24 USD
    Unit price /  per 
  • ULMA U100K with Galvanized Edge and Polypropylene Mesh Grate

    ULMA U100K Kit w/ ULMA 497 / PE100KCBM Polypropylene Mesh Grate

    Sale

    ULMA U100K Kit w/ ULMA 497 / PE100KCBM Polypropylene Mesh Grate

    Regular price From $316.56 USD
    Regular price $397.00 USD Sale price From $316.56 USD
    Unit price /  per 
    Sale
  • ULMA Hydro Mini Plus with 462G Gatic Grate Class D

    ULMA HYDROPLUS Mini with Ductile Iron Slotted Grate (462G)

    Sale

    ULMA HYDROPLUS Mini with Ductile Iron Slotted Grate (462G)

    Regular price From $119.94 USD
    Regular price $147.35 USD Sale price From $119.94 USD
    Unit price /  per 
    Sale
  • MMG-BF-554CI TDS MAX Mini in Gray with Oil Rubbed Edge and NDS Botanical Grates with BoOF

    TDS™ 3" Gray MAX Mini w/ Botanical BoOF Grate & Oil Rubbed Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Botanical BoOF Grate & Oil Rubbed Bronze Edge

    Regular price From $744.86 USD
    Regular price Sale price From $744.86 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
  • 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
  • MV+200K-658 ULMA MULTIV with Glavanized Edge and 658 grate

    ULMA MV+200K w/ 658 HP Ductile Iron 9X20 Slotted Grate Class C

    Sale

    ULMA MV+200K w/ 658 HP Ductile Iron 9X20 Slotted Grate Class C

    Regular price From $189.92 USD
    Regular price $244.18 USD Sale price From $189.92 USD
    Unit price /  per 
    Sale
  • TP0650S-DG0641D-PF Catch Basin w/ Slotted Ductile Iron Grate with HDPE Frame

    TP0750S (Shallow) Catch Basin Kit w/ DG0641D for POLYCAST-HDPE Frame

    TP0750S (Shallow) Catch Basin Kit w/ DG0641D for POLYCAST-HDPE Frame

    Regular price $345.60 USD
    Regular price Sale price $345.60 USD
    Unit price /  per 
  • Trench•Era™ FP Series Drain System w/DG3043D 8" Wide Class C Grate - MD Stainless Frame

    Trench•Era™ FP Series Drain System w/DG3043D 8" Wide Class C Grate - MD Stainless Frame

    Trench•Era™ FP Series Drain System w/DG3043D 8" Wide Class C Grate - MD Stainless Frame

    Request quote
  • 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 
  • MAX Mini with NDS554CI-BF Botanical Cast Iron Grate

    TDS™ 3" Sand MAX Mini w/ Botanical BoOF Grate & Oil Rubbed Bronze Edge

    TDS™ 3" Sand MAX Mini w/ Botanical BoOF Grate & Oil Rubbed Bronze Edge

    Regular price From $744.86 USD
    Regular price Sale price From $744.86 USD
    Unit price /  per 
  • POLYCAST 600 with DG0644SP Fiberglass FRP Bar Grate

    POLYCAST 600 Series Kit w/Fiberglass FG0644SP Grate - Load Class C

    POLYCAST 600 Series Kit w/Fiberglass FG0644SP Grate - Load Class C

    Regular price From $319.24 USD
    Regular price Sale price From $319.24 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 
  • 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 
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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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