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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
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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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      • Stainless Steel
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Products Blogs
  • DG0623 Square Deco Galvanized Steel POLYCAST and SS600

    Bronze Age™ DG0623H DECO Galvanized Steel 5.19" x 24" Grate

    Bronze Age™ DG0623H DECO Galvanized Steel 5.19" x 24" Grate

    Regular price $86.88 USD
    Regular price Sale price $86.88 USD
    Unit price /  per 
  • DG0655R_SS_Wedge_Wire_ClassD

    TDS DG0655RH Class C ADA Compliant Reinforced Wedge Wire Stainless Steel 6" x 24" Grate

    TDS DG0655RH Class C ADA Compliant Reinforced Wedge Wire Stainless Steel 6" x 24" Grate

    Regular price $345.00 USD
    Regular price Sale price $345.00 USD
    Unit price /  per 
  • MMG-SB-TAR-B

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

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

    Regular price $1,198.59 USD
    Regular price Sale price $1,198.59 USD
    Unit price /  per 
  • NDS-2outlet-catch-basin-4in-outlets-grn-wave-grate-TDSdrains (1)

    NDS 12" Catch Basin Kit with NDS Wave Grate | Green

    NDS 12" Catch Basin Kit with NDS Wave Grate | Green

    Regular price From $174.31 USD
    Regular price Sale price From $174.31 USD
    Unit price /  per 
  • 495 PNH100KCAM-gris gray plastic slotted grate Ulma

    ULMA 495 / PNH100KCAM-GRIS Class A ADA HP Slotted Gray Grate Polypropylene 123mmx498mm

    Sale

    ULMA 495 / PNH100KCAM-GRIS Class A ADA HP Slotted Gray Grate Polypropylene 123mmx498mm

    Regular price $27.99 USD
    Regular price $35.99 USD Sale price $27.99 USD
    Unit price /  per 
    Sale
  • P4-HPP-WHITE_ZURN_Z884 grate

    Zurn P4-HPP-WHITE Class A ADA Compliant Slotted HDPE 4" x 20" Grate - WHITE

    Zurn P4-HPP-WHITE Class A ADA Compliant Slotted HDPE 4" x 20" Grate - WHITE

    Regular price $52.00 USD
    Regular price Sale price $52.00 USD
    Unit price /  per 
  • P4-HPP-TEA and CREAM ZURN_Z884_grate

    Zurn P4-HPP-TEA&CREAM Class A ADA Compliant Slotted HDPE 4" x 20" Grate - TEA & CREAM

    Zurn P4-HPP-TEA&CREAM Class A ADA Compliant Slotted HDPE 4" x 20" Grate - TEA & CREAM

    Regular price $52.00 USD
    Regular price Sale price $52.00 USD
    Unit price /  per 
  • P6-RFSC Stainless Steel Reinforced Grate

    Zurn P6-RFSC Slotted Stainless Steel Reinforced 6x40 Grate (Nominal) | Load Class C

    Zurn P6-RFSC Slotted Stainless Steel Reinforced 6x40 Grate (Nominal) | Load Class C

    Regular price $672.00 USD
    Regular price Sale price $672.00 USD
    Unit price /  per 
  • BA-PED-0312-BF TDS Bronze Age Pedreda BoOF grate

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

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

    Regular price From $721.68 USD
    Regular price Sale price From $721.68 USD
    Unit price /  per 
  • GF-21429-ADA

    GF 21429 ADA Heavy-Duty Gray Iron Slotted 14" x 24" x 2" Grate | General Foundry

    GF 21429 ADA Heavy-Duty Gray Iron Slotted 14" x 24" x 2" Grate | General Foundry

    Regular price $169.40 USD
    Regular price Sale price $169.40 USD
    Unit price /  per 
  • LPK09-913-34

    NDS 9" Low Profile Catch Basin Kit with NDS Slotted Grate | Ductile Iron

    NDS 9" Low Profile Catch Basin Kit with NDS Slotted Grate | Ductile Iron

    Regular price From $214.40 USD
    Regular price Sale price From $214.40 USD
    Unit price /  per 
  • New Image Coming Soon

    ULMA M100V w/Bronze Age™ CATHEDRAL Ductile Iron Heel-Proof Grate - RAW

    Sale

    ULMA M100V w/Bronze Age™ CATHEDRAL Ductile Iron Heel-Proof Grate - RAW

    Regular price From $310.06 USD
    Regular price $338.65 USD Sale price From $310.06 USD
    Unit price /  per 
    Sale
  • POLY600-xx-669-TDSdrain stainless steel bar grate polymer concrete channel Polycast

    POLYCAST® 600 Vinyl Ester Series Kit w/ DG0669 Stainless Bar Grate

    POLYCAST® 600 Vinyl Ester Series Kit w/ DG0669 Stainless Bar Grate

    Regular price From $831.35 USD
    Regular price Sale price From $831.35 USD
    Unit price /  per 
  • POLYCAST DG0675HD-G Slotted Ductile Iron - Galvanized HP & ADA Grate 6" x 24" (Nominal)

    POLYCAST DG0675HD-G Slotted Ductile Iron - Galvanized HP & ADA Grate 6" x 24" (Nominal)

    POLYCAST DG0675HD-G Slotted Ductile Iron - Galvanized HP & ADA Grate 6" x 24" (Nominal)

    Regular price $89.51 USD
    Regular price Sale price $89.51 USD
    Unit price /  per 
  • NDS900-4-Catch-Basin (1)

    NDS 9" Catch Basin Kit with NDS Slotted Grate | Black

    NDS 9" Catch Basin Kit with NDS Slotted Grate | Black

    Regular price From $99.57 USD
    Regular price Sale price From $99.57 USD
    Unit price /  per 
  • SS Bar grate DG0699 Polycast

    TDS DG0669 Class D Stainless Steel Bar 6" x 48" Grate for POLYCAST®

    TDS DG0669 Class D Stainless Steel Bar 6" x 48" Grate for POLYCAST®

    Regular price $1,132.40 USD
    Regular price Sale price $1,132.40 USD
    Unit price /  per 
  • ULMA HYDRO PLUS Mini with 440 SS Perforated Grate Class A_1 Meter

    ULMA HYDROPLUS Mini with Stainless Steel Perforated Tread Grate (440 / IP100KCA) Class A

    Sale

    ULMA HYDROPLUS Mini with Stainless Steel Perforated Tread Grate (440 / IP100KCA) Class A

    Regular price From $155.29 USD
    Regular price $192.80 USD Sale price From $155.29 USD
    Unit price /  per 
    Sale
  • NDS1218S Botanical Sand catch basin grate

    NDS 1218S Class B ADA Compliant Botanical HDPE 12" x 12" Grate - SAND

    NDS 1218S Class B ADA Compliant Botanical HDPE 12" x 12" Grate - SAND

    Regular price $85.87 USD
    Regular price Sale price $85.87 USD
    Unit price /  per 
  • MV+200KX-660

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

    Sale

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

    Regular price From $256.67 USD
    Regular price $330.00 USD Sale price From $256.67 USD
    Unit price /  per 
    Sale
  • M100KX Ulma Stainless Steel edge channel Iron Age River Rock Raw Grate

    M100KX Kit w/Iron Age River Rock Grate | RAW

    Sale

    M100KX Kit w/Iron Age River Rock Grate | RAW

    Regular price From $2,162.39 USD
    Regular price $2,371.45 USD Sale price From $2,162.39 USD
    Unit price /  per 
    Sale
  • ULMA polymer concrete channel with stainless steel edge and Iron Age Greek Key Raw Cast Iron grate

    ULMA M100KX Kit with Iron Age GA5-20I21 Greek Key Grate

    Sale

    ULMA M100KX Kit with Iron Age GA5-20I21 Greek Key Grate

    Regular price From $600.77 USD
    Regular price $662.72 USD Sale price From $600.77 USD
    Unit price /  per 
    Sale
  • New Image Coming Soon

    POLYCAST 500 Series Kit w/ DG0640R Reinforced Galvanized Slot Grate and HDPE Frame

    POLYCAST 500 Series Kit w/ DG0640R Reinforced Galvanized Slot Grate and HDPE Frame

    Regular price From $612.03 USD
    Regular price Sale price From $612.03 USD
    Unit price /  per 
  • NDS-2outlet-catch-basin-6in-outlets-grey-botanical-grate-TDSdrains (1)

    NDS 12" Catch Basin Kit with NDS Botanical Grate | Gray

    NDS 12" Catch Basin Kit with NDS Botanical Grate | Gray

    Regular price From $168.85 USD
    Regular price Sale price From $168.85 USD
    Unit price /  per 
  • Zurn 6" Plastic ADA linear slotted Grate P6-HPP-TEA&CREAM

    Zurn P6-HPP-TEA&CREAM Class A Linear Slotted HDPE 6" x 20" Grate

    Zurn P6-HPP-TEA&CREAM Class A Linear Slotted HDPE 6" x 20" Grate

    Regular price $108.00 USD
    Regular price Sale price $108.00 USD
    Unit price /  per 
  • 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 
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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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