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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
      • Plastic
      • Stainless Steel
      • All Grate Materials
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  • New Image Coming Soon

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

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

    Regular price $429.05 USD
    Regular price Sale price $429.05 USD
    Unit price /  per 
  • MV+200K-661 ULMA MULTIV with galvanized edging with 661 grate

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

    Sale

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

    Regular price From $206.73 USD
    Regular price $265.80 USD Sale price From $206.73 USD
    Unit price /  per 
    Sale
  • MAXMini Bronze Age Rain Drop Raw

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

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

    Regular price From $1,033.59 USD
    Regular price Sale price From $1,033.59 USD
    Unit price /  per 
  • ULMA drain channel with stainless steel edge and ductile iron slotted grate

    ULMA U100KX w/ Ductile Iron Slotted Grate Class C (460)

    Sale

    ULMA U100KX w/ Ductile Iron Slotted Grate Class C (460)

    Regular price From $435.12 USD
    Regular price $549.43 USD Sale price From $435.12 USD
    Unit price /  per 
    Sale
  • Trench•Era™ FP Series Drain System w/DG1242 14" Wide Class E Grate - HD Stainless Frame

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

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

    Request quote
  • ULMA HYDROPLUS with Locust Boof IA-LOC-0520-BF

    ULMA HYDROPLUS w/ IA-LOC-0520-BF Iron Age Locust BoOF Cast Iron Grate Class B

    Sale

    ULMA HYDROPLUS w/ IA-LOC-0520-BF Iron Age Locust BoOF Cast Iron Grate Class B

    Regular price From $4,153.47 USD
    Regular price $4,232.00 USD Sale price From $4,153.47 USD
    Unit price /  per 
    Sale
  • POLY600-GS-675HD-TDSdrains galv steel edge transverse slotted grate polymer concrete channel Polycast

    POLYCAST 600 Series Kit w/ ADA DG0675HD Transverse Slot Ductile Iron Grate & Galvanized Edging

    POLYCAST 600 Series Kit w/ ADA DG0675HD Transverse Slot Ductile Iron Grate & Galvanized Edging

    Regular price From $248.07 USD
    Regular price Sale price From $248.07 USD
    Unit price /  per 
  • M100K-FNHX100KCCM-1 Wave heel-proof cast iron grate polymer concrete galv edge ULMA channel

    ULMA M100K W/Ductile Iron Heel-proof Wave Grate (1/2 M) Class C

    Sale

    ULMA M100K W/Ductile Iron Heel-proof Wave Grate (1/2 M) Class C

    Regular price From $252.15 USD
    Regular price $314.19 USD Sale price From $252.15 USD
    Unit price /  per 
    Sale
  • 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 
  • US Foundry 6454

    US Foundry 6454 Heavy Duty Cast Iron 14″ x 24″ x 1.5" Grate

    US Foundry 6454 Heavy Duty Cast Iron 14″ x 24″ x 1.5" Grate

    Regular price $502.50 USD
    Regular price Sale price $502.50 USD
    Unit price /  per 
  • ULMA M100KX Stainless Steel edged polymer concrete channel with heel-proof ductile iron class E grate

    ULMA M100KX w/480 Ductile Iron Heel-Proof Grate - Class C

    Sale

    ULMA M100KX w/480 Ductile Iron Heel-Proof Grate - Class C

    Regular price From $327.92 USD
    Regular price $411.62 USD Sale price From $327.92 USD
    Unit price /  per 
    Sale
  • ULMA HYDROPLUS Mini with IA-CARBO-0520 Iron Age Carbochon Grate Raw

    HYDROPLUS Mini w/ Iron Age 5"x20" Carbochon Raw Cast Iron Grate | Class B

    Sale

    HYDROPLUS Mini w/ Iron Age 5"x20" Carbochon Raw Cast Iron Grate | Class B

    Regular price From $402.60 USD
    Regular price $411.08 USD Sale price From $402.60 USD
    Unit price /  per 
    Sale
  • HYDRO PLUS with Iron Age Mission Bay Heel Proof BoOF Grate IA-BAY00520-HP-BF

    ULMA HYDROPLUS w/ Iron Age IA-BAY-0520-HP-BF Mission Bay HP BoOF Cast Iron Grate Class B

    Sale

    ULMA HYDROPLUS w/ Iron Age IA-BAY-0520-HP-BF Mission Bay 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
  • U100K00M-RegularJoe Cast Iron Deco Regular Joe Ironage Grate galv edge

    ULMA U100K Drainage Kit with Iron Age Regular Joe Grate | Natural

    Sale

    ULMA U100K Drainage Kit with Iron Age Regular Joe Grate | Natural

    Regular price From $597.86 USD
    Regular price $658.98 USD Sale price From $597.86 USD
    Unit price /  per 
    Sale
  • New Image Coming Soon

    POLYCAST 500 Series Kit w/ DG0641D-G Slotted Ductile Iron-Galvanized Grate and HDPE Frame

    POLYCAST 500 Series Kit w/ DG0641D-G Slotted Ductile Iron-Galvanized Grate and HDPE Frame

    Regular price From $446.03 USD
    Regular price Sale price From $446.03 USD
    Unit price /  per 
  • FFKS-FG1246

    Trench•Era™ FF Series Drain System w/DG1246 14" Wide Class F Grate - HD Stainless Frame

    Trench•Era™ FF Series Drain System w/DG1246 14" Wide Class F Grate - HD Stainless Frame

    Request quote
  • ULMA polymer concrete linear channel with stainless steel edge with Raw Iron Age Interlaken grate

    M100KX w/ Interlaken Iron Age Grate & Stainless Edge -RAW

    Sale

    M100KX w/ Interlaken Iron Age Grate & Stainless Edge -RAW

    Regular price From $3,167.19 USD
    Regular price $3,463.95 USD Sale price From $3,167.19 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
  • NDS-Dura-601-DK weave deco cast iron

    NDS Dura Slope Kit with DS-601 Cast Iron Weave Grate-RAW

    NDS Dura Slope Kit with DS-601 Cast Iron Weave Grate-RAW

    Regular price From $539.77 USD
    Regular price Sale price From $539.77 USD
    Unit price /  per 
  • ULMA M100KX Channel with Stainless Steel Edge and BoOF Mission Bay Grate

    ULMA M100KX Kit w/Iron Age Heel Proof Mission Bay Grate | BoOF

    Sale

    ULMA M100KX Kit w/Iron Age Heel Proof Mission Bay Grate | BoOF

    Regular price From $3,269.23 USD
    Regular price $3,527.33 USD Sale price From $3,269.23 USD
    Unit price /  per 
    Sale
  • HYDROPLUS with Iron Age Minnione Raw Cast Iron

    ULMA HYDROPLUS w/ CLass B Iron Age MA5-20I21 / IA-MIN-0520 Minnione Raw Cast Iron Grate

    Sale

    ULMA HYDROPLUS w/ CLass B Iron Age MA5-20I21 / IA-MIN-0520 Minnione Raw Cast Iron Grate

    Regular price From $441.85 USD
    Regular price $465.78 USD Sale price From $441.85 USD
    Unit price /  per 
    Sale
  • HYDROM-ANISE-0520-HP ULMA HYDROPLUS Anise 0520-Raw

    ULMA HYDROPLUS Mini w/ Iron Age IA-ANISE-0520-HP Anise Heel Proof Cast Iron Grate | Class B

    Sale

    ULMA HYDROPLUS Mini w/ Iron Age IA-ANISE-0520-HP Anise Heel Proof Cast Iron Grate | Class B

    Regular price From $402.60 USD
    Regular price $411.08 USD Sale price From $402.60 USD
    Unit price /  per 
    Sale
  • 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 $534.29 USD
    Regular price Sale price $534.29 USD
    Unit price /  per 
  • ULMA M100KX Channel with Stainless Steel Edge and Mission Bay Grate

    ULMA M100KX Kit w/Iron Age Heel Proof Mission Bay Grate | RAW

    Sale

    ULMA M100KX Kit w/Iron Age Heel Proof Mission Bay Grate | RAW

    Regular price From $600.77 USD
    Regular price $662.72 USD Sale price From $600.77 USD
    Unit price /  per 
    Sale
  • DP0750-AA-DG0641D

    POLYCAST®DP0750 Inline Catch Basin w/DG0641D Cast Iron Slotted Grate and Frame

    POLYCAST®DP0750 Inline Catch Basin w/DG0641D Cast Iron Slotted Grate and Frame

    Regular price $468.52 USD
    Regular price Sale price $468.52 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 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
  • 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
  • LD100X-2 Locking Device for ULMA Grates

    LD100X-2 Locking Device for ULMA Grates

    $12.96 $10.08
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