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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
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      • Zurn
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      • 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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  • DG0655_SS_Wedge Wire_ClassB

    TDS DG0655H Class B ADA Compliant Wedge Wire Stainless Steel 6" x 24" Grate

    TDS DG0655H Class B ADA Compliant Wedge Wire Stainless Steel 6" x 24" Grate

    Regular price $252.46 USD
    Regular price Sale price $252.46 USD
    Unit price /  per 
  • ULMA U100KX with 486 Vinyl Ester 0.9 FRP Grate

    ULMA U100KX Kit with TDS 486 Vinyl Ester Bar Center Grate 0.9" on Center - Class B

    Sale

    ULMA U100KX Kit with TDS 486 Vinyl Ester Bar Center Grate 0.9" on Center - Class B

    Regular price From $572.06 USD
    Regular price $725.51 USD Sale price From $572.06 USD
    Unit price /  per 
    Sale
  • ULMA drain channel with stainless steel edge and Iron Age Oblio Baked on Oil Finish grate

    ULMA U100KX Drain Channel w/ Iron Age Oblio Grate-BoOF

    Sale

    ULMA U100KX Drain Channel w/ Iron Age Oblio Grate-BoOF

    Regular price From $351.82 USD
    Regular price $385.74 USD Sale price From $351.82 USD
    Unit price /  per 
    Sale
  • ULMA M100KX polymer concrete stainless steel edged channel with Iron Age Raw Cast Iron Minnione grate

    ULMA M100KX Kit with Iron Age MA5-20I21 Minnione Grate RAW

    Sale

    ULMA M100KX Kit with Iron Age MA5-20I21 Minnione 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 channel with stainless steel edge and Iron Age Raw Cast Iron Oblio grate

    ULMA M100KX Kit with Iron Age OZ5-20I32 Oblio Grate-RAW

    Sale

    ULMA M100KX Kit with Iron Age OZ5-20I32 Oblio Grate-RAW

    Regular price From $600.77 USD
    Regular price $662.72 USD Sale price From $600.77 USD
    Unit price /  per 
    Sale
  • 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 
  • POLYCAST500 with SS Edging and SS Square Deco Grate

    POLYCAST 500 Kit w/ Stainless Steel Edging and DG0633 Square Deco Grate | Class A

    POLYCAST 500 Kit w/ Stainless Steel Edging and DG0633 Square Deco Grate | Class A

    Regular price From $508.56 USD
    Regular price Sale price From $508.56 USD
    Unit price /  per 
  • 480 FNHX100KCCM ductile iron heel-proof wave grate

    ULMA 480 Class C Wave Iron Heel-Proof Ductile Iron 122mm x 500mm Grate

    Sale

    ULMA 480 Class C Wave Iron Heel-Proof Ductile Iron 122mm x 500mm Grate

    Regular price $38.04 USD
    Regular price $48.91 USD Sale price $38.04 USD
    Unit price /  per 
    Sale
  • POLY700-AA-669-TDSdrains

    POLYCAST 700 Series Kit with DG0669 Stainless Bar Grate and Ductile Iron Frame

    POLYCAST 700 Series Kit with DG0669 Stainless Bar Grate and Ductile Iron Frame

    Regular price From $1,590.58 USD
    Regular price Sale price From $1,590.58 USD
    Unit price /  per 
  • U100K ULMA galvanized edge channel with reinforced galvanized steel slotted grate

    ULMA U100K Drainage Kit with ULMA Reinforced Slotted 424 Grate | Galvanized

    Sale

    ULMA U100K Drainage Kit with ULMA Reinforced Slotted 424 Grate | Galvanized

    Regular price From $311.44 USD
    Regular price $390.42 USD Sale price From $311.44 USD
    Unit price /  per 
    Sale
  • ULMA D100 w/Bronze Age™ LUNA Ductile Iron Grate - RAW

    ULMA D100 w/Bronze Age™ LUNA Ductile Iron Grate - RAW

    Sale

    ULMA D100 w/Bronze Age™ LUNA Ductile Iron Grate - RAW

    Regular price From $414.64 USD
    Regular price $421.92 USD Sale price From $414.64 USD
    Unit price /  per 
    Sale
  • DG0630 CATHEDRAL Stainless Steel POLYCAST and SS600

    Bronze Age DG0630 CATH 304 Stainless Steel 5.25" x 48" (Nominal) Grate | Class A

    Bronze Age DG0630 CATH 304 Stainless Steel 5.25" x 48" (Nominal) Grate | Class A

    Regular price $176.33 USD
    Regular price Sale price $176.33 USD
    Unit price /  per 
  • New Image Coming Soon

    ULMA D100 w/Bronze Age™ WAVE Ductile Iron Grate - RAW

    Sale

    ULMA D100 w/Bronze Age™ WAVE Ductile Iron Grate - RAW

    Regular price From $414.64 USD
    Regular price $421.92 USD Sale price From $414.64 USD
    Unit price /  per 
    Sale
  • POLY600-XX-657R

    POLYCAST® 600 Vinyl Ester Series Kit with DG0657R Perforated Stainless Grate

    POLYCAST® 600 Vinyl Ester Series Kit with DG0657R Perforated Stainless Grate

    Regular price From $595.62 USD
    Regular price Sale price From $595.62 USD
    Unit price /  per 
  • ULMA M100K_Galvanized Heel Proof 406

    M100K w/ Galv. Steel Heel-proof Mesh Grate (406)-ULMA

    Sale

    M100K w/ Galv. Steel Heel-proof Mesh Grate (406)-ULMA

    Regular price From $286.50 USD
    Regular price $358.36 USD Sale price From $286.50 USD
    Unit price /  per 
    Sale
  • ZURN Z884 Drainage Kit w/ P4-HPP-GREEN HDPE Grate - Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-GREEN HDPE Grate - Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-GREEN HDPE Grate - Bottom Outlet

    Regular price From $349.18 USD
    Regular price Sale price From $349.18 USD
    Unit price /  per 
  • PCK5-DG0620 Cathedral

    POLYCAST 500 Kit w/ DG0620 Galvanized Cathedral Grate | Class A

    POLYCAST 500 Kit w/ DG0620 Galvanized Cathedral Grate | Class A

    Regular price From $319.98 USD
    Regular price Sale price From $319.98 USD
    Unit price /  per 
  • POLYCAST with SS Edge and SS Wedge Wire Grate DG0655

    POLYCAST® 600 Series Kit w/ DG0655 Wedge Wire w/ Stainless Steel Edging - Load Class B

    POLYCAST® 600 Series Kit w/ DG0655 Wedge Wire w/ Stainless Steel Edging - Load Class B

    Regular price From $584.73 USD
    Regular price Sale price From $584.73 USD
    Unit price /  per 
  • IA-6in-round-Interlaken-BF-DK

    Iron Age IA-INTER-6D-HP-BF Class B Interlaken 6" Dia Grate – BoOF

    Iron Age IA-INTER-6D-HP-BF Class B Interlaken 6" Dia Grate – BoOF

    Regular price $150.15 USD
    Regular price Sale price $150.15 USD
    Unit price /  per 
  • PCK6-DG0622 POLYCAST 600 with Galvanized Foam Perforated

    POLYCAST 600 Series Kit w/ DG0622 Foam Perforated Galvanized Grate | Load Class A

    POLYCAST 600 Series Kit w/ DG0622 Foam Perforated Galvanized Grate | Load Class A

    Regular price From $244.24 USD
    Regular price Sale price From $244.24 USD
    Unit price /  per 
  • Ulma U100KX Channel with Polypropylene Mesh Grate - Black

    ULMA U100KX Kit w/ 497 / PE100KCBM Mesh Polypropylene Grate

    Sale

    ULMA U100KX Kit w/ 497 / PE100KCBM Mesh Polypropylene Grate

    Regular price From $438.21 USD
    Regular price $553.41 USD Sale price From $438.21 USD
    Unit price /  per 
    Sale
  • POLY600-xx-657-TDSdrains stainless steel perforated grate polymer concrete channel Polycast

    POLYCAST® 600 Vinyl Ester Series Kit with DG0657 Perforated Stainless Grate

    POLYCAST® 600 Vinyl Ester Series Kit with DG0657 Perforated Stainless Grate

    Regular price From $411.76 USD
    Regular price Sale price From $411.76 USD
    Unit price /  per 
  • Iron Age-IA CARB-0820 2 - BoOF

    Iron Age IA-CARB-0820-BF Class B Carbochon Cast Iron Grate - BoOF 8" x 20" (Nominal)

    Iron Age IA-CARB-0820-BF Class B Carbochon Cast Iron Grate - BoOF 8" x 20" (Nominal)

    Regular price $384.67 USD
    Regular price Sale price $384.67 USD
    Unit price /  per 
  • ULMA HYDRO PLUS with ULMA 494 ADA Heel proof Polypropylene Black Grate-Class A

    ULMA HYDROPLUS with 494 / PNH100KCAM Polypropylene ADA Heel Proof Grate Class A - BLACK

    Sale

    ULMA HYDROPLUS with 494 / PNH100KCAM Polypropylene ADA Heel Proof Grate Class A - BLACK

    Regular price From $135.09 USD
    Regular price $171.06 USD Sale price From $135.09 USD
    Unit price /  per 
    Sale
  • M100KX ULMA polymer concrete channel with stainless steel edge and Iron Age Raw Cast Iron Argo

    ULMA M100KX Kit w/Iron Age Argo Grate | RAW

    Sale

    ULMA M100KX Kit w/Iron Age Argo Grate | RAW

    Regular price From $600.77 USD
    Regular price $662.72 USD Sale price From $600.77 USD
    Unit price /  per 
    Sale
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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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