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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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      • Fiberglass
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      • Pour in Place (Concrete)
      • All Channel Materials
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      • 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
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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
      • Fiberglass
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  • Z886-PS-TDSdrains

    Zurn Z886 Drainage Kit w/ P6-PS Class A Perforated Stainless 6" Grate

    Zurn Z886 Drainage Kit w/ P6-PS Class A Perforated Stainless 6" Grate

    Regular price From $1,363.09 USD
    Regular price Sale price From $1,363.09 USD
    Unit price /  per 
  • NDS-Spee-D-BA-Foam SS grate

    NDS Spee-D® Channel w/ BA-FOAM-0448-S Stainless Steel 4"x48" Foam Grate

    NDS Spee-D® Channel w/ BA-FOAM-0448-S Stainless Steel 4"x48" Foam Grate

    Regular price From $246.46 USD
    Regular price Sale price From $246.46 USD
    Unit price /  per 
  • IA-RAIN-0520-HP-BF

    Iron Age IA-RAIN-0520-HP-BF Class B Heel-Proof Rain Cast Iron 122mm x 500mm Grate - BoOF

    Iron Age IA-RAIN-0520-HP-BF Class B Heel-Proof Rain Cast Iron 122mm x 500mm Grate - BoOF

    Regular price $233.09 USD
    Regular price Sale price $233.09 USD
    Unit price /  per 
  • POLY600-SS-647-DK stainless steel edge stainless steel slotted grate polymer concrete channel Polycast

    POLYCAST® 600 Vinyl Ester Series Kit with DG0647 Slotted Stainless Grate & Stainless Edge

    POLYCAST® 600 Vinyl Ester Series Kit with DG0647 Slotted Stainless Grate & Stainless Edge

    Regular price From $444.68 USD
    Regular price Sale price From $444.68 USD
    Unit price /  per 
  • ZURN P886-FG Galvanized Slotted Grates

    Zurn Z886 Drainage Kit w/ P6-FG Galvanized Slotted Grate - Bottom Outlet

    Zurn Z886 Drainage Kit w/ P6-FG Galvanized Slotted Grate - Bottom Outlet

    Regular price From $991.15 USD
    Regular price Sale price From $991.15 USD
    Unit price /  per 
  • 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 
  • Sand Slot Slim Channel Grate

    NDS Slim Channel 9242 Class A Plastic Slotted 2" x 36" Grate - SAND

    NDS Slim Channel 9242 Class A Plastic Slotted 2" x 36" Grate - SAND

    Regular price $17.67 USD
    Regular price Sale price $17.67 USD
    Unit price /  per 
  • 5x20 Iron Age Cast-Iron Grate Locust Grate Raw Finish

    Iron Age IA-LOC-0520 Class B Locust Cast Iron 122mm x 500mm Grate - RAW

    Iron Age IA-LOC-0520 Class B Locust Cast Iron 122mm x 500mm Grate - RAW

    Regular price $174.46 USD
    Regular price Sale price $174.46 USD
    Unit price /  per 
  • Polycast 600 with DG0647R Reinforced Slotted grates with Stainless Steel Edges

    POLYCAST® 600 Vinyl Ester Series Kit w/ DG0647R Reinforced Stainless Slotted Grate & Edge

    POLYCAST® 600 Vinyl Ester Series Kit w/ DG0647R Reinforced Stainless Slotted Grate & Edge

    Regular price From $669.72 USD
    Regular price Sale price From $669.72 USD
    Unit price /  per 
  • U100K00M-Argo cast iron deco ironage grate polymer concrete galv edge ULMA channel

    ULMA U100K Drainage Kit with Iron Age Argo Grate | Natural

    Sale

    ULMA U100K Drainage Kit with Iron Age Argo Grate | Natural

    Regular price From $605.00 USD
    Regular price $668.16 USD Sale price From $605.00 USD
    Unit price /  per 
    Sale
  • POLYCAST 600 with DG0644SP Fiberglass FRP Bar Grate

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

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

    Regular price From $421.14 USD
    Regular price Sale price From $421.14 USD
    Unit price /  per 
  • IA-OBLIO-0520-HP-BF

    Iron Age IA-OBLIO-0520-HP-BF Class B OBLIO Heelproof Cast Iron 122mm x 500mm Grate - BoOF

    Iron Age IA-OBLIO-0520-HP-BF Class B OBLIO Heelproof Cast Iron 122mm x 500mm Grate - BoOF

    Regular price $233.09 USD
    Regular price Sale price $233.09 USD
    Unit price /  per 
  • Sand Square Slim Channel Grate

    NDS Slim Channel 9252 Class A Plastic Square Deco 2" x 36" Grate - SAND

    NDS Slim Channel 9252 Class A Plastic Square Deco 2" x 36" Grate - SAND

    Regular price $21.22 USD
    Regular price Sale price $21.22 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 
  • Iron Age 4x24 Locust Spee-D Heel Proof cast iron grate

    Iron Age IA-LOC-0424-HP Class B Locust Cast Iron 4" x 24" Grate - Raw

    Iron Age IA-LOC-0424-HP Class B Locust Cast Iron 4" x 24" Grate - Raw

    Regular price $286.00 USD
    Regular price Sale price $286.00 USD
    Unit price /  per 
  • ULMA HYDRO PLUS with IA-GRK-0520-BF Iron Age Greek Key BoOF Grate-Class B

    ULMA HYDROPLUS w/ Iron Age IA-GRK-0520-BF Greek Key BoOF Cast Iron Grate Class B

    Sale

    ULMA HYDROPLUS w/ Iron Age IA-GRK-0520-BF Greek Key BoOF Cast Iron Grate Class B

    Regular price From $559.11 USD
    Regular price $583.04 USD Sale price From $559.11 USD
    Unit price /  per 
    Sale
  • Hydro Plus with Iron Age Locust Cast Iron Grate IA-LOC-0520 Class B

    ULMA HYDROPLUS w/ IA-LOC-0520 / IA-LOC-0520 Iron Age Locust Cast Iron Raw Grate Class B

    Sale

    ULMA HYDROPLUS w/ IA-LOC-0520 / IA-LOC-0520 Iron Age Locust Cast Iron Raw Grate Class B

    Regular price From $441.85 USD
    Regular price $465.78 USD Sale price From $441.85 USD
    Unit price /  per 
    Sale
  • IA-INTER-0520-HP-BF Iron Age Interlaken Baked on Oil Finish

    Iron Age IA-INTER-0520-HP-BF 5" HP Interlaken Cast Iron Grates Class B | BoOF

    Iron Age IA-INTER-0520-HP-BF 5" HP Interlaken Cast Iron Grates Class B | BoOF

    Regular price $233.09 USD
    Regular price Sale price $233.09 USD
    Unit price /  per 
  • NDS Slim Channel Kit with Sand Square Grate

    NDS Slim Channel Kit with NDS 9252 Square Deco Grate - SAND

    NDS Slim Channel Kit with NDS 9252 Square Deco Grate - SAND

    Regular price From $84.60 USD
    Regular price Sale price From $84.60 USD
    Unit price /  per 
  • POLY600-xx-669-TDSdrain stainless steel bar grate polymer concrete channel Polycast

    POLYCAST® 600 Vinyl Ester Series Kit w/ DG0669 Stainless Bar Grate

    POLYCAST® 600 Vinyl Ester Series Kit w/ DG0669 Stainless Bar Grate

    Regular price From $831.35 USD
    Regular price Sale price From $831.35 USD
    Unit price /  per 
  • POLY600-DG0620-GE Cathedral Galv

    POLYCAST 600 Series Kit with DG0620 Galvanized Grate w/ Edging | Load Class A

    POLYCAST 600 Series Kit with DG0620 Galvanized Grate w/ Edging | Load Class A

    Regular price From $280.85 USD
    Regular price Sale price From $280.85 USD
    Unit price /  per 
  • IA-ARGO-0520-BF BoOF cast iron decorative grate

    Iron Age IA-ARGO-0520-HP-BF AA5-20I21HP Class B Argo ADA/HP Cast Iron 122mmx500mm BoOF

    Iron Age IA-ARGO-0520-HP-BF AA5-20I21HP Class B Argo ADA/HP Cast Iron 122mmx500mm BoOF

    Regular price $233.09 USD
    Regular price Sale price $233.09 USD
    Unit price /  per 
  • 5inch-cast-iron-grate-interlaken-2 IA-INTER-0520

    Iron Age IA-INTER-0520 Interlaken Cast Iron 122mm x 500mm Grates Class B - Raw

    Iron Age IA-INTER-0520 Interlaken Cast Iron 122mm x 500mm Grates Class B - Raw

    Regular price $174.46 USD
    Regular price Sale price $174.46 USD
    Unit price /  per 
  • 9383 NDS Slim Channel Tee with Gray Slotted Grate

    NDS 9373 Slim Channel TEE with Gray Slotted Grate

    NDS 9373 Slim Channel TEE with Gray Slotted Grate

    Regular price $48.75 USD
    Regular price Sale price $48.75 USD
    Unit price /  per 
  • Slim Channel 9302 Fabricated 45 Degree Angle with Sand Slotted Grate

    NDS 9302 Slim Channel 45 Degree Elbow with Slotted Grate - SAND

    NDS 9302 Slim Channel 45 Degree Elbow with Slotted Grate - SAND

    Regular price $40.42 USD
    Regular price Sale price $40.42 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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