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Drainage Kits
  • Shop All
  • 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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  • MMG-SS-FOAM MAX Mini kit with gray channel and stainless steel grate

    TDS™ 3" Gray MAX Mini w/Foam HP 316L Stainless Steel Grate & Stainless Steel Edge

    TDS™ 3" Gray MAX Mini w/Foam HP 316L Stainless Steel Grate & Stainless Steel Edge

    Regular price From $608.11 USD
    Regular price Sale price From $608.11 USD
    Unit price /  per 
  • ULMA M100V w/Bronze Age™ FERN Ductile Iron Heel-Proof Grate - RAW

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

    Sale

    ULMA M100V w/Bronze Age™ FERN 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
  • NDS861-90-deg pro series 5

    NDS 861 Pro Series 5 - 90 Degree Elbow

    NDS 861 Pro Series 5 - 90 Degree Elbow

    Regular price $116.41 USD
    Regular price Sale price $116.41 USD
    Unit price /  per 
  • POLYCAST 700-PE-669-DK-TDSdrains

    POLYCAST® 700 Vinyl Ester Kit w/DG0669 Stainless Steel Bar Grate & HDPE Frame

    POLYCAST® 700 Vinyl Ester Kit w/DG0669 Stainless Steel Bar Grate & HDPE Frame

    Regular price From $1,668.82 USD
    Regular price Sale price From $1,668.82 USD
    Unit price /  per 
  • POLY700-PE-644SP polycast 700 with HDPE frame and Fiberglass 644SP grates

    POLYCAST® 700 Vinyl Ester Series Kit w/FG0644SP Fiberglass Slotted Grate & HDPE Frame

    POLYCAST® 700 Vinyl Ester Series Kit w/FG0644SP Fiberglass Slotted Grate & HDPE Frame

    Regular price From $843.09 USD
    Regular price Sale price From $843.09 USD
    Unit price /  per 
  • NDS DS-340 Dura Slope Inline

    NDS DS-340 Dura Slope In-Line Catch Basin 6" x 24" x 24"

    NDS DS-340 Dura Slope In-Line Catch Basin 6" x 24" x 24"

    Regular price $253.42 USD
    Regular price Sale price $253.42 USD
    Unit price /  per 
  • TP0650S Catch Basin with DG0621 Slot Galvanized with DG0620 Cathedral Galvanized

    TV0650S (Shallow) Catch Basin Kit w/ DG0620H for POLYCAST®

    TV0650S (Shallow) Catch Basin Kit w/ DG0620H for POLYCAST®

    Regular price $492.97 USD
    Regular price Sale price $492.97 USD
    Unit price /  per 
  • BA-SLOT-0312-BF TDS Bronze Age Slotted Ductile Iron Grate with BoOF

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

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

    Regular price From $710.66 USD
    Regular price Sale price From $710.66 USD
    Unit price /  per 
  • TDS-BARS-0312-B Brushed Bronze Age Grates Transverse Slotted Grate

    Bronze Age BA-BARS-0312-B Bars Bronze Brushed 3" x 12" Grate

    Bronze Age BA-BARS-0312-B Bars Bronze Brushed 3" x 12" Grate

    Regular price $152.50 USD
    Regular price Sale price $152.50 USD
    Unit price /  per 
  • POLYCAST®500 Series Kit w/ DG0655R Wedge Wire Grate | Load Class C

    POLYCAST®500 Series Kit w/ DG0655R Wedge Wire Grate | Load Class C

    POLYCAST®500 Series Kit w/ DG0655R Wedge Wire Grate | Load Class C

    Regular price From $640.68 USD
    Regular price Sale price From $640.68 USD
    Unit price /  per 
  • DG0644-Polycast-fiberglass-bar-grate-TDSdrains

    POLYCAST FG0644H Class B Spacing 5/8" Fiberglass BAR 6" x 24" Grate

    POLYCAST FG0644H Class B Spacing 5/8" Fiberglass BAR 6" x 24" Grate

    Regular price $131.25 USD
    Regular price Sale price $131.25 USD
    Unit price /  per 
  • ULMA HYDROPLUS with Interlaken Heel Proof Raw Grate

    ULMA HYDROPLUS w/ Class B Iron Age IA-INTER-HP-0520 Interlaken Heel Proof Raw Cast Iron Grate

    Sale

    ULMA HYDROPLUS w/ Class B Iron Age IA-INTER-HP-0520 Interlaken Heel Proof 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
  • 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 
  • 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
  • ULMA drain channel with stainless steel edge and Iron Age Interlaken Baked on Oil Finish grate

    ULMA U100KX w/ Iron Age Interlaken 5x20 Grate-BoOF

    Sale

    ULMA U100KX w/ Iron Age Interlaken 5x20 Grate-BoOF

    Regular price From $351.82 USD
    Regular price $385.74 USD Sale price From $351.82 USD
    Unit price /  per 
    Sale
  • PCK5-DG0647 POLYCAST 500 Series with DG0647 Stainless Steel Grates

    POLYCAST 500 Series Kit with DG0647 Slotted Stainless Grate

    POLYCAST 500 Series Kit with DG0647 Slotted Stainless Grate

    Regular price From $359.91 USD
    Regular price Sale price From $359.91 USD
    Unit price /  per 
  • DG0655R_SS_Wedge_Wire_ClassD

    TDS DG0655R ADA Compliant Reinforced Wedge Wire Stainless Steel 6" x 48" Grate

    TDS DG0655R ADA Compliant Reinforced Wedge Wire Stainless Steel 6" x 48" Grate

    Regular price $420.00 USD
    Regular price Sale price $420.00 USD
    Unit price /  per 
  • POLY600-SS-644SP Polycast 600 with Stainless steel edge and a fiberglass DG0644SP grate

    POLYCAST® 600 Vinyl Ester Series Kit with FG0644SP Slotted Fiberglass Grate & Stainless Edge

    POLYCAST® 600 Vinyl Ester Series Kit with FG0644SP Slotted Fiberglass Grate & Stainless Edge

    Regular price From $463.43 USD
    Regular price Sale price From $463.43 USD
    Unit price /  per 
  • NDS-lowProfile-12-catch-basin-wave Raw-TDSdrains

    NDS 12" Low Profile Catch Basin Kit with NDS Wave Grate | Natural

    NDS 12" Low Profile Catch Basin Kit with NDS Wave Grate | Natural

    Regular price From $338.71 USD
    Regular price Sale price From $338.71 USD
    Unit price /  per 
  • FP1200-FG1246-1-Ductile-Iron-Grate-Class-F

    TDS DG1246 Class F Slotted Ductile Iron 14" x 24" x 1.5" Grate

    TDS DG1246 Class F Slotted Ductile Iron 14" x 24" x 1.5" Grate

    Regular price $291.30 USD
    Regular price Sale price $291.30 USD
    Unit price /  per 
  • ULMA U100KX-Rain-Raw

    ULMA U100KX w/ Iron Age Rain Grate-RAW

    Sale

    ULMA U100KX w/ Iron Age Rain Grate-RAW

    Regular price From $289.62 USD
    Regular price $322.52 USD Sale price From $289.62 USD
    Unit price /  per 
    Sale
  • MMG-SS-SLOT MAX Mini kit with gray channel and stainless steel grate

    TDS™ 3" Gray MAX Mini w/Slotted HP 316L Stainless Steel Grate & Stainless Steel Edge

    TDS™ 3" Gray MAX Mini w/Slotted HP 316L Stainless Steel Grate & Stainless Steel Edge

    Regular price From $704.11 USD
    Regular price Sale price From $704.11 USD
    Unit price /  per 
  • 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
  • NDS-2outlet-catch-basin-4in-outlets-sand-botanical-grate-TDSdrains (1)

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

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

    Regular price From $169.25 USD
    Regular price Sale price From $169.25 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
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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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