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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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      • Load Class A
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      • All Load Classes
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    • Popular Manufacturers
      • TDS
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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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      • Ductile/Cast Iron
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  • PCK6-DG0640-GE POLYCAST with Galvanized Steel Slotted Grate and Edging

    POLYCAST 600 Series Kit w/ DG0640 Slotted Galvanized Grate and Edging | Load Class B

    POLYCAST 600 Series Kit w/ DG0640 Slotted Galvanized Grate and Edging | Load Class B

    Regular price From $237.34 USD
    Regular price Sale price From $237.34 USD
    Unit price /  per 
  • ULMA U100KX with 488 Vinyl Ester 0.6 FRP Grate

    ULMA U100KX Kit with TDS 488 Vinyl Ester Bar Grate 0.6" on Center (1M)

    Sale

    ULMA U100KX Kit with TDS 488 Vinyl Ester Bar Grate 0.6" on Center (1M)

    Regular price From $237.95 USD
    Regular price $305.93 USD Sale price From $237.95 USD
    Unit price /  per 
    Sale
  • LPK12-1218 NDS Low Profile Catch Basin Kit with 12" Black Botanical Grates

    NDS 12" Low Profile Catch Basin Kit with NDS Botanical Grate | Black

    NDS 12" Low Profile Catch Basin Kit with NDS Botanical Grate | Black

    Regular price From $156.05 USD
    Regular price Sale price From $156.05 USD
    Unit price /  per 
  • ULMA drain channel with stainless steel edge and Iron Age Interlaken grate

    ULMA U100KX Drain Channel w/ Iron Age Interlaken Grate - RAW

    Sale

    ULMA U100KX Drain Channel w/ Iron Age Interlaken Grate - RAW

    Regular price From $289.62 USD
    Regular price $322.52 USD Sale price From $289.62 USD
    Unit price /  per 
    Sale
  • MMG-BF-CATH-B

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze Cathedral Grates & Oil Rubbed Bronze Edge

    TDS™ 3" Gray MAX Mini w/ Brushed Bronze Cathedral Grates & Oil Rubbed Bronze Edge

    Regular price From $1,198.59 USD
    Regular price Sale price From $1,198.59 USD
    Unit price /  per 
  • POLY600-GS-646R

    POLYCAST® 600 Series Kit w/ DG0646R Perforated Galvanized Steel Grate & Edge

    POLYCAST® 600 Series Kit w/ DG0646R Perforated Galvanized Steel Grate & Edge

    Regular price From $362.45 USD
    Regular price Sale price From $362.45 USD
    Unit price /  per 
  • DG3041D TDS 3000 ductile iron slotted grate

    TDS DG3041D Class F Slotted Ductile Iron 8" x 24" Grate

    TDS DG3041D Class F Slotted Ductile Iron 8" x 24" Grate

    Regular price $106.29 USD
    Regular price Sale price $106.29 USD
    Unit price /  per 
  • Iron 18 x 18 decorative grate

    Iron Age IA-INTER-CB18-BF Class B Interlaken Cast Iron 18" x 18" Grate - BoOF

    Iron Age IA-INTER-CB18-BF Class B Interlaken Cast Iron 18" x 18" Grate - BoOF

    Regular price $717.86 USD
    Regular price Sale price $717.86 USD
    Unit price /  per 
  • POLY700-PE-647R

    POLYCAST® 700 Series Kit w/DG0647R Reinforced Slotted Stainless Grate & HDPE Frame

    POLYCAST® 700 Series Kit w/DG0647R Reinforced Slotted Stainless Grate & HDPE Frame

    Regular price From $564.21 USD
    Regular price Sale price From $564.21 USD
    Unit price /  per 
  • Zurn Z882 Linear Drain Kit w/P12-DGE Ductile Iron Grate & Bottom Outlet

    Zurn Z882 Linear Drain Kit w/P12-DGE Ductile Iron Grate & Bottom Outlet

    Zurn Z882 Linear Drain Kit w/P12-DGE Ductile Iron Grate & Bottom Outlet

    Regular price From $2,979.80 USD
    Regular price Sale price From $2,979.80 USD
    Unit price /  per 
  • ULMA drain channel with stainless steel edge and Iron Age River Rock Baked on Oil Finish grate

    ULMA U100KX Drain Channel w/ Iron Age River Rock Grate-BoOF

    Sale

    ULMA U100KX Drain Channel w/ Iron Age River Rock Grate-BoOF

    Regular price From $351.82 USD
    Regular price $385.74 USD Sale price From $351.82 USD
    Unit price /  per 
    Sale
  • FP1200-FG1242 Slotted Ductile Iron Grate - Class E

    TDS DG1242 Class E Slotted Ductile Iron 14" x 24" x 1.5" Grate

    TDS DG1242 Class E Slotted Ductile Iron 14" x 24" x 1.5" Grate

    Regular price $267.09 USD
    Regular price Sale price $267.09 USD
    Unit price /  per 
  • New Image Coming Soon

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

    Sale

    ULMA M100V w/Bronze Age™ PEDREDA 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
  • Hydro Plus with 440 IP100KCA Stainless Steel Perforated Grate Class A

    ULMA HYDROPLUS with 440 / IP100KCA Stainless Steel Perforated Grate Class A

    Sale

    ULMA HYDROPLUS with 440 / IP100KCA Stainless Steel Perforated Grate Class A

    Regular price From $193.45 USD
    Regular price $246.10 USD Sale price From $193.45 USD
    Unit price /  per 
    Sale
  • Polycast-600Channel-DK polymer concrete pre sloped channel

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

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

    Regular price From $384.18 USD
    Regular price Sale price From $384.18 USD
    Unit price /  per 
  • POLY600-xx-641D-TDSdrains ductile iron slotted grate polymer concrete channel Polycast

    POLYCAST® 600 Vinyl Ester Series Kit with DG0641D Slotted Ductile Iron Grate

    POLYCAST® 600 Vinyl Ester Series Kit with DG0641D Slotted Ductile Iron Grate

    Regular price From $314.10 USD
    Regular price Sale price From $314.10 USD
    Unit price /  per 
  • ULMA M100K w/Bronze Age™ Luna Ductile Iron Heel-Proof Grate - RAW

    ULMA M100K w/Bronze Age™ Luna Ductile Iron Heel-Proof Grate - RAW

    Sale

    ULMA M100K w/Bronze Age™ Luna Ductile Iron Heel-Proof Grate - RAW

    Regular price From $351.07 USD
    Regular price $391.38 USD Sale price From $351.07 USD
    Unit price /  per 
    Sale
  • LPK12-1224GR NDS Low Profile Catch Basin with Green 12" Wave Grate

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

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

    Regular price From $156.05 USD
    Regular price Sale price From $156.05 USD
    Unit price /  per 
  • POLYCAST 700-PE-669-DK-TDSdrains

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

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

    Regular price From $1,516.80 USD
    Regular price Sale price From $1,516.80 USD
    Unit price /  per 
  • POLYCAST500 with SS Edging and SS Slot Grate

    POLYCAST 500 Kit w/ Stainless Steel Edging and DG0631 Transverse Slotted Grate | Class A

    POLYCAST 500 Kit w/ Stainless Steel Edging and DG0631 Transverse Slotted Grate | Class A

    Regular price From $484.09 USD
    Regular price Sale price From $484.09 USD
    Unit price /  per 
  • HYDROPLUS with 497 ADA Mesh Polypropylene Grate Class B

    ULMA HYDROPLUS w/ 497 / PE100KCBM Polypropylene ADA Mesh Grate Load Class B - BLACK

    Sale

    ULMA HYDROPLUS w/ 497 / PE100KCBM Polypropylene ADA Mesh Grate Load Class B - BLACK

    Regular price From $153.41 USD
    Regular price $194.62 USD Sale price From $153.41 USD
    Unit price /  per 
    Sale
  • ULMA U100KX Drain Channel kit w/Bronze Age™ Fern Grate-RAW

    ULMA U100KX Drain Channel kit w/Bronze Age™ Fern Grate-RAW

    Sale

    ULMA U100KX Drain Channel kit w/Bronze Age™ Fern Grate-RAW

    Regular price From $206.23 USD
    Regular price $240.15 USD Sale price From $206.23 USD
    Unit price /  per 
    Sale
  • ULMA drain channel with stainless steel edge and Iron Age Minnione Baked on Oil Finish grate

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

    Sale

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

    Regular price From $351.82 USD
    Regular price $385.74 USD Sale price From $351.82 USD
    Unit price /  per 
    Sale
  • New Image Coming Soon

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

    Sale

    ULMA M100V w/Bronze Age™ WAVE 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
  • 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 
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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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