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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
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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
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      • 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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  • TDS 3" Mini Channel Aluminum Rain Drop Natural Grate

    Bronze Age BA-RAIN-0312-A Class A Rain Drop Aluminum 3" x 12" Grate

    Bronze Age BA-RAIN-0312-A Class A Rain Drop Aluminum 3" x 12" Grate

    Regular price $91.00 USD
    Regular price Sale price $91.00 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
  • 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 
  • DG0640 POLYCAST Galvanized Slotted Grate

    POLYCAST DG0640 Slotted Galvanized 6" x 48" Grate | Load Class B

    POLYCAST DG0640 Slotted Galvanized 6" x 48" Grate | Load Class B

    Regular price $64.11 USD
    Regular price Sale price $64.11 USD
    Unit price /  per 
  • New Image Coming Soon

    NDS® Dura Slope In-Line Catch Basin with DS-604 Cast Iron Brick Grate RAW

    NDS® Dura Slope In-Line Catch Basin with DS-604 Cast Iron Brick Grate RAW

    Regular price From $672.31 USD
    Regular price Sale price From $672.31 USD
    Unit price /  per 
  • BA-LUNA-0312-B TDS Luna Brushed Bronze Grate

    Bronze Age BA-LUNA-0312-B Luna Bronze Brushed 3" x 12" Grate

    Bronze Age BA-LUNA-0312-B Luna Bronze Brushed 3" x 12" Grate

    Regular price $152.50 USD
    Regular price Sale price $152.50 USD
    Unit price /  per 
  • Natural Locust in Grey Mini Channel

    NDS 3" Gray Mini Channel Kit with Iron Age Locust Grate - Natural

    NDS 3" Gray Mini Channel Kit with Iron Age Locust Grate - Natural

    Regular price From $612.82 USD
    Regular price Sale price From $612.82 USD
    Unit price /  per 
  • Iron Age-IA CARB-0820 2

    Iron Age IA-CARB-0820 Class B Carbochon Cast Iron Grate - RAW 8" x 20"

    Iron Age IA-CARB-0820 Class B Carbochon Cast Iron Grate - RAW 8" x 20"

    Regular price $304.59 USD
    Regular price Sale price $304.59 USD
    Unit price /  per 
  • BA-LUNA-0312-BF TDS Bronze Age Luna Grate in Ductile Iron with BoOF finish

    Bronze Age™ BA-LUNA-0312-BF Ductile Iron 3" x 12" Grate -BoOF

    Bronze Age™ BA-LUNA-0312-BF Ductile Iron 3" x 12" Grate -BoOF

    Regular price $64.95 USD
    Regular price Sale price $64.95 USD
    Unit price /  per 
  • nds816-black-grate Pro Series 5

    NDS 816 Class B ADA Compliant Light Traffic HDPE 5" x 20" Grate - BLACK

    NDS 816 Class B ADA Compliant Light Traffic HDPE 5" x 20" Grate - BLACK

    Regular price $39.03 USD
    Regular price Sale price $39.03 USD
    Unit price /  per 
  • IA-Oblio-0418-hp-bf

    Iron Age IA-OBLIO-0418-HP-BF Heel-Proof OBLIO Cast Iron 4" x 18" Grate - BoOF

    Iron Age IA-OBLIO-0418-HP-BF Heel-Proof OBLIO Cast Iron 4" x 18" Grate - BoOF

    Regular price $205.92 USD
    Regular price Sale price $205.92 USD
    Unit price /  per 
  • NDS 1811 NDS 18" Black HDPE Slotted Catch Basin Grate

    NDS 1811 Class B ADA Compliant Slotted HDPE 18" x 18" Grate - BLACK

    NDS 1811 Class B ADA Compliant Slotted HDPE 18" x 18" Grate - BLACK

    Regular price $221.54 USD
    Regular price Sale price $221.54 USD
    Unit price /  per 
  • SS600 stainless steel channel with DG0670 plastic slotted grate

    SS600 Stainless Steel Drain Kit w/ DG0670 Black Slotted Grate | Class A

    SS600 Stainless Steel Drain Kit w/ DG0670 Black Slotted Grate | Class A

    Regular price From $1,358.89 USD
    Regular price Sale price From $1,358.89 USD
    Unit price /  per 
  • Dura slope with 604B grate and baked on oil finish (BoOF)

    NDS Dura Slope Kit with DS-604 Cast Iron Brick Grate | Baked on Oil Finish

    NDS Dura Slope Kit with DS-604 Cast Iron Brick Grate | Baked on Oil Finish

    Regular price From $594.97 USD
    Regular price Sale price From $594.97 USD
    Unit price /  per 
  • ZURN P886-FG Galvanized Slotted Grates

    Zurn Z886 Drainage Kit w/ P6-FG Galvanized Slotted Class A Grate - Vandal Proof Locks

    Zurn Z886 Drainage Kit w/ P6-FG Galvanized Slotted Class A Grate - Vandal Proof Locks

    Regular price From $1,058.94 USD
    Regular price Sale price From $1,058.94 USD
    Unit price /  per 
  • BA-RAIN-0312-BF TDS Bronze Age Rain Drop grate with BoOF

    Bronze Age™ BA-RAIN-0312-BF Ductile Iron 3″ x 12″ Grate -BoOF

    Bronze Age™ BA-RAIN-0312-BF Ductile Iron 3″ x 12″ Grate -BoOF

    Regular price $64.95 USD
    Regular price Sale price $64.95 USD
    Unit price /  per 
  • POLYCAST 600 with DG0621 Galv Edging and SLOT grate

    POLYCAST® 600 Series Kit with DG0621 Galvanized Grate w/ Edging | Load Class A

    POLYCAST® 600 Series Kit with DG0621 Galvanized Grate w/ Edging | Load Class A

    Regular price From $266.78 USD
    Regular price Sale price From $266.78 USD
    Unit price /  per 
  • ULMA U100K with 486 Vinyl Ester 0.9 FRP Grate

    ULMA U100K Drainage Kit with TDS Vinyl Ester Bar Grate 0.9″ on center - Class B

    Sale

    ULMA U100K Drainage Kit with TDS Vinyl Ester Bar Grate 0.9″ on center - Class B

    Regular price From $450.41 USD
    Regular price $569.10 USD Sale price From $450.41 USD
    Unit price /  per 
    Sale
  • New Image Coming Soon

    NDS® Dura Slope In-Line Catch Basin with DS-602 Cast Iron Diamond Grate RAW

    NDS® Dura Slope In-Line Catch Basin with DS-602 Cast Iron Diamond Grate RAW

    Regular price From $672.31 USD
    Regular price Sale price From $672.31 USD
    Unit price /  per 
  • NDS 881 8 in grate

    NDS 881 Class A ADA Compliant Slotted HDPE 8" x 8" Grate - BLACK

    NDS 881 Class A ADA Compliant Slotted HDPE 8" x 8" Grate - BLACK

    Regular price $19.48 USD
    Regular price Sale price $19.48 USD
    Unit price /  per 
  • NDS Dura Slope Stainless Steel Perforated Grate NDS226

    NDS Dura Slope Kit with DS-226 Stainless Steel Perforated Grate

    NDS Dura Slope Kit with DS-226 Stainless Steel Perforated Grate

    Regular price From $752.32 USD
    Regular price Sale price From $752.32 USD
    Unit price /  per 
  • NDS714-3in-pro3-plastic-grate (1)

    NDS 714 Class B Slotted HDPE 3" x 20" Grate - Light Gray

    NDS 714 Class B Slotted HDPE 3" x 20" Grate - Light Gray

    Regular price $18.40 USD
    Regular price Sale price $18.40 USD
    Unit price /  per 
  • MMS-SB-570B bushed satin cathedral mini channel max mini

    TDS™ 3" Sand MAX Mini w/ Brushed Bronze Cathedral Grate & Satin Bronze Edge

    TDS™ 3" Sand MAX Mini w/ Brushed Bronze Cathedral Grate & Satin Bronze Edge

    Regular price From $1,198.59 USD
    Regular price Sale price From $1,198.59 USD
    Unit price /  per 
  • TDS Slotted Bronze Natural grate 0312

    Bronze Age BA-SLOT-0312 Class A Bronze Natural Finish 3" x 12" Grate

    Bronze Age BA-SLOT-0312 Class A Bronze Natural Finish 3" x 12" Grate

    Regular price $136.00 USD
    Regular price Sale price $136.00 USD
    Unit price /  per 
  • POLYCAST 400 w/DG0442

    POLYCAST®400 Series Kit w/DG0442 5"x48" Slotted Galvanized Grate

    POLYCAST®400 Series Kit w/DG0442 5"x48" Slotted Galvanized Grate

    Regular price From $265.11 USD
    Regular price Sale price From $265.11 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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