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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
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      • Pour in Place (Concrete)
      • All Channel Materials
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      • Load Class A
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      • All Load Classes
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    • Popular Manufacturers
      • TDS
      • Bronze Age
      • NDS
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      • 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
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  • ULMA HYDROPLUS Mini Channel - Bottom View

    ULMA HYDROPLUS Mini with Stainless Steel Slotted Grate (454 / IN100KCC) Class C

    Sale

    ULMA HYDROPLUS Mini with Stainless Steel Slotted Grate (454 / IN100KCC) Class C

    Regular price From $337.52 USD
    Regular price $427.09 USD Sale price From $337.52 USD
    Unit price /  per 
    Sale
  • POLY500-SS-655

    POLYCAST®500 Series Kit w/ DG0655 Wedge Wire Grate & SE Edging | Load Class B

    POLYCAST®500 Series Kit w/ DG0655 Wedge Wire Grate & SE Edging | Load Class B

    Regular price From $1,075.34 USD
    Regular price Sale price From $1,075.34 USD
    Unit price /  per 
  • POLYCAST DG0641D-G Slotted Ductile Iron - Galvanized Grate 6" x 24" (Nominal)

    POLYCAST DG0641D-G Slotted Ductile Iron - Galvanized Grate 6" x 24" (Nominal)

    POLYCAST DG0641D-G Slotted Ductile Iron - Galvanized Grate 6" x 24" (Nominal)

    Regular price $73.99 USD
    Regular price Sale price $73.99 USD
    Unit price /  per 
  • Ulma U100KX Channel with Iron Age Heel Proof Regular Joe Grate

    Regular Joe Iron Age Grates on U100KX-ULMA Heelproof-RAW

    Sale

    Regular Joe Iron Age Grates on U100KX-ULMA Heelproof-RAW

    Regular price From $719.51 USD
    Regular price $815.39 USD Sale price From $719.51 USD
    Unit price /  per 
    Sale
  • POLY500-XX-644 Polycast 500 with DG0644 Fiberglass Grates with 5/8" slot openings

    POLYCAST 500 Series Kit with FG0644 Vinyl-Ester Bar 5/8" Spacing Grate

    POLYCAST 500 Series Kit with FG0644 Vinyl-Ester Bar 5/8" Spacing Grate

    Regular price From $504.22 USD
    Regular price Sale price From $504.22 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST®750 Inline Catch Basin w/DG0669 Stainless Steel 304 Bar Grate and HDPE Frame

    POLYCAST®750 Inline Catch Basin w/DG0669 Stainless Steel 304 Bar Grate and HDPE Frame

    Regular price $957.71 USD
    Regular price Sale price $957.71 USD
    Unit price /  per 
  • Polycast 700 with DG0646R Reinforced perforated Galvanized Steel Grates and Cast Iron Frame

    POLYCAST®700 Kit w/DG0646R Reinforced Perforated Galvanized Grate-Cast Frame

    POLYCAST®700 Kit w/DG0646R Reinforced Perforated Galvanized Grate-Cast Frame

    Regular price From $389.01 USD
    Regular price Sale price From $389.01 USD
    Unit price /  per 
  • POLY700-PE-675D-TDSdrains HPDE frame cast iron transverse slotted grate polymer concrete channel Polycast

    POLYCAST 700 Series Kit w/ DG0675HD ADA Transverse Slot Ductile Iron Grate & HDPE Frame

    POLYCAST 700 Series Kit w/ DG0675HD ADA Transverse Slot Ductile Iron Grate & HDPE Frame

    Regular price From $285.90 USD
    Regular price Sale price From $285.90 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
  • POLYCAST 600 with Stainless Steel Edge and DG0670

    POLYCAST® 600 Series Kit w/ Stainless Steel Edge & DG0670 Plastic Grate | Load Class A

    POLYCAST® 600 Series Kit w/ Stainless Steel Edge & DG0670 Plastic Grate | Load Class A

    Regular price From $247.87 USD
    Regular price Sale price From $247.87 USD
    Unit price /  per 
  • BA-STAR-0312-D TDS Bronze Age Star Grate in Ductile Iron

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

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

    Regular price From $722.26 USD
    Regular price Sale price From $722.26 USD
    Unit price /  per 
  • IA-OBLIO-CB12 Iron Age 12x12" Raw Cast Iron Oblio Grate

    Iron Age IA-OBLIO-CB12-HP Class B Heel-Proof Oblio Cast Iron 12" x 12" Grate - RAW

    Iron Age IA-OBLIO-CB12-HP Class B Heel-Proof Oblio Cast Iron 12" x 12" Grate - RAW

    Regular price $231.66 USD
    Regular price Sale price $231.66 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
  • ULMA M100KX Polymer Concrete Stainless Steel edged channel with 497 Mesh grate

    ULMA M100KX Kit with 497 / PE100KCBM Mesh Polypropylene Grate

    Sale

    ULMA M100KX Kit with 497 / PE100KCBM Mesh Polypropylene Grate

    Regular price From $313.31 USD
    Regular price $392.82 USD Sale price From $313.31 USD
    Unit price /  per 
    Sale
  • New Image Coming Soon

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

    Sale

    ULMA M100V w/Bronze Age™ LUNA 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
  • TP0650S-DG0669-PF Catch Basin w/ Stainless Steel Bar Grate with HDPE Grate

    TV0750S (Shallow) Catch Basin Kit w/ DG0669 for POLYCAST®-HDPE Frame

    TV0750S (Shallow) Catch Basin Kit w/ DG0669 for POLYCAST®-HDPE Frame

    Regular price $1,018.03 USD
    Regular price Sale price $1,018.03 USD
    Unit price /  per 
  • POLY700-PE-675D-TDSdrains HPDE frame cast iron transverse slotted grate polymer concrete channel Polycast

    POLYCAST® 700 Vinyl Ester Kit w/DG0675HD Transverse Slotted Ductile Iron Grate & HDPE Frame

    POLYCAST® 700 Vinyl Ester Kit w/DG0675HD Transverse Slotted Ductile Iron Grate & HDPE Frame

    Regular price From $639.45 USD
    Regular price Sale price From $639.45 USD
    Unit price /  per 
  • New Image Coming Soon

    Zurn ZF806 Flo-Thru® Drain with P6-HPP Black HDPE Grate - HD Z Frame

    Zurn ZF806 Flo-Thru® Drain with P6-HPP Black HDPE Grate - HD Z Frame

    Regular price From $2,383.80 USD
    Regular price Sale price From $2,383.80 USD
    Unit price /  per 
  • POLYCAST 600 with DG0670

    POLYCAST 600 Series Kit w/ DG0670 Plastic Grate - Load Class A

    POLYCAST 600 Series Kit w/ DG0670 Plastic Grate - Load Class A

    Regular price From $205.58 USD
    Regular price Sale price From $205.58 USD
    Unit price /  per 
  • POLY600-SS-675 Polycast 600 Kit with DG0675 Transverse slot HDPE Plastic Grates with a Stainless Steel Edge

    POLYCAST® 600 Series Kit w/ DG0675 Plastic HDPE Grate & Stainless Edge

    POLYCAST® 600 Series Kit w/ DG0675 Plastic HDPE Grate & Stainless Edge

    Regular price From $255.52 USD
    Regular price Sale price From $255.52 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 
  • U100K-GreekKey-boof cast iron deco ironage grate polymer concrete channel ULMA galv edge

    ULMA U100KX Drain Channel w/ Iron Age Greek Key Grate - BoOF

    Sale

    ULMA U100KX Drain Channel w/ Iron Age Greek Key Grate - BoOF

    Regular price From $351.82 USD
    Regular price $385.74 USD Sale price From $351.82 USD
    Unit price /  per 
    Sale
  • ULMA HYDRO PLUS with IA-JOE-0520-BF Iron Age Regular Joe BoOF Grate Class B

    ULMA HYDROPLUS with Iron Age RJA5-20I21 / IA-JOE-0520 Regular Joe Raw Cast Iron Grate Class B

    Sale

    ULMA HYDROPLUS with Iron Age RJA5-20I21 / IA-JOE-0520 Regular Joe 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
  • 12x12-catch-basin-kit-CI-grate-Bullseye-boof

    NDS 12" Catch Basin Kit with Iron Age Bullseye Grate | Baked on Oil Finish

    NDS 12" Catch Basin Kit with Iron Age Bullseye Grate | Baked on Oil Finish

    Regular price From $394.91 USD
    Regular price Sale price From $394.91 USD
    Unit price /  per 
  • DG0646 Galvanized Steel perforated grates for POLYCAST

    POLYCAST DG0646H Class A ADA Compliant Perforated Galvanized Steel 6" x 24" Grate

    POLYCAST DG0646H Class A ADA Compliant Perforated Galvanized Steel 6" x 24" Grate

    Regular price $45.68 USD
    Regular price Sale price $45.68 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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