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Drainage Kits
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  • Drainage Kits
    • Popular Manufacturers
      • TDS
      • NDS
      • POLYCAST®
      • ULMA
      • Zurn
      • All Manufacturers
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      • Dura Slope
      • Mini Channel
      • Polycast 600/700
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      • All Drainage Systems
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      • FP1200
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      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
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  • 460 FNX100KCCM ULMA ductile iron grate

    ULMA 460 / FNX100KCCM Slotted Ductile Iron 124mm x 498mm Grate Class C

    ULMA 460 / FNX100KCCM Slotted Ductile Iron 124mm x 498mm Grate Class C

    Regular price $36.89 USD
    Regular price Sale price $36.89 USD
    Unit price /  per 
  • 5inch-cast-iron-grate-Janis-raw2

    Iron Age IA-JANIS-0520 Class B Janis Cast Iron 122mm x 500mm Grate - RAW

    Iron Age IA-JANIS-0520 Class B Janis Cast Iron 122mm x 500mm Grate - RAW

    Regular price $167.31 USD
    Regular price Sale price $167.31 USD
    Unit price /  per 
  • IA-ARGO-0520 raw cast iron decorative grate

    Iron Age IA-ARGO-0520-HP Class B ADA Heel-Proof Argo Cast Iron 122mm x 500mm Grate - RAW

    Iron Age IA-ARGO-0520-HP Class B ADA Heel-Proof Argo Cast Iron 122mm x 500mm Grate - RAW

    Regular price $167.31 USD
    Regular price Sale price $167.31 USD
    Unit price /  per 
  • IA-LOC-CB12 Iron Age Locust Grate 12x12"

    Iron Age IA-LOC-CB12 Class B Locust Cast Iron 12" x 12" Grate - RAW

    Iron Age IA-LOC-CB12 Class B Locust Cast Iron 12" x 12" Grate - RAW

    Regular price $221.65 USD
    Regular price Sale price $221.65 USD
    Unit price /  per 
  • Iron Age 5 Inch Cast Iron Greek Key Raw Grate

    Iron Age IA-GRK-0520 Class B Greek Key Cast Iron 122mm x 500mm Grate - RAW

    Iron Age IA-GRK-0520 Class B Greek Key Cast Iron 122mm x 500mm Grate - RAW

    Regular price $167.31 USD
    Regular price Sale price $167.31 USD
    Unit price /  per 
  • 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 $1,603.12 USD
    Regular price Sale price From $1,603.12 USD
    Unit price /  per 
  • IA-OBLIO-CB24 Raw 24 inch catch basin grate

    Iron Age IA-OBLIO-CB24 / ON24-24|14 Class B Oblio Cast Iron 24" x 24" Grate - RAW

    Iron Age IA-OBLIO-CB24 / ON24-24|14 Class B Oblio Cast Iron 24" x 24" Grate - RAW

    Regular price $949.52 USD
    Regular price Sale price $949.52 USD
    Unit price /  per 
  • Iron Age 4x24 BoOF Locust Spee-D Heel Proof cast iron grate

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

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

    Regular price $337.48 USD
    Regular price Sale price $337.48 USD
    Unit price /  per 
  • Iron Age Cast Iron Paradise BoOF Grate

    ULMA HYDROPLUS with Iron Age PA5-20I21 / IA-PAR-0520 Paradise BoOF Cast Iron Grate Class B

    ULMA HYDROPLUS with Iron Age PA5-20I21 / IA-PAR-0520 Paradise BoOF Cast Iron Grate Class B

    Regular price From $563.02 USD
    Regular price Sale price From $563.02 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 $167.31 USD
    Regular price Sale price $167.31 USD
    Unit price /  per 
  • 24 inch Iron Age Interlaken Raw Cast Iron Grate BoOF

    Iron Age IA-INTER-CB24-BF (IX24-24|99FW) Class B Interlaken Cast Iron 24" x 24" Grate - BoOF

    Iron Age IA-INTER-CB24-BF (IX24-24|99FW) Class B Interlaken Cast Iron 24" x 24" Grate - BoOF

    Regular price $1,297.01 USD
    Regular price Sale price $1,297.01 USD
    Unit price /  per 
  • IA-LOC-0520-BF Iron Age Locust 5 x 20 cast iron grate

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

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

    Regular price $223.08 USD
    Regular price Sale price $223.08 USD
    Unit price /  per 
  • Slotted 609 grates in Dura Slope

    NDS® Dura Slope Kit with DS-609 Deco Slot Grate | RAW

    NDS® Dura Slope Kit with DS-609 Deco Slot Grate | RAW

    Regular price From $539.77 USD
    Regular price Sale price From $539.77 USD
    Unit price /  per 
  • NDS1200-catch-basin-botanical-cast iron grate

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

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

    Regular price From $378.24 USD
    Regular price Sale price From $378.24 USD
    Unit price /  per 
  • LPK12-IA-OBLIO-HP NDS Low Profile Catch Basin with Iron Age Oblio Raw Grate 12x12"

    NDS 12" Low Profile Catch Basin Kit with Iron Age Oblio Grate | Natural

    NDS 12" Low Profile Catch Basin Kit with Iron Age Oblio Grate | Natural

    Regular price From $286.56 USD
    Regular price Sale price From $286.56 USD
    Unit price /  per 
  • IA-JOE-1220-HP

    Iron Age IA-JOE-1220 Class B Regular Joe 12x20 Cast Iron Grate - Raw

    Iron Age IA-JOE-1220 Class B Regular Joe 12x20 Cast Iron Grate - Raw

    Regular price $387.53 USD
    Regular price Sale price $387.53 USD
    Unit price /  per 
  • IronAge-bullseye-12x12-cb-grate-TDSdrains raw cast iron deco

    Iron Age IA-BULL-CB12-HP Class B Heel-Proof Bullseye Cast Iron 12" x 12" Grate - Natural

    Iron Age IA-BULL-CB12-HP Class B Heel-Proof Bullseye Cast Iron 12" x 12" Grate - Natural

    Regular price $221.65 USD
    Regular price Sale price $221.65 USD
    Unit price /  per 
  • IronAge-bullseye-12x12-cb-grate-boof-TDSdrains

    Iron Age IA-BULL-CB12-HP-BF Class B Heel-Proof Bullseye Cast Iron 12" x 12" Grate - BoOF

    Iron Age IA-BULL-CB12-HP-BF Class B Heel-Proof Bullseye Cast Iron 12" x 12" Grate - BoOF

    Regular price $277.42 USD
    Regular price Sale price $277.42 USD
    Unit price /  per 
  • DG04640R

    POLYCAST DG0640RH Class C Slotted Reinforced Galvanized Steel 6" x 24" Grate

    POLYCAST DG0640RH Class C Slotted Reinforced Galvanized Steel 6" x 24" Grate

    Regular price $204.40 USD
    Regular price Sale price $204.40 USD
    Unit price /  per 
  • Iron Age IA-RIV-0820 Class B River Rock Cast Iron Grate – RAW 8" x 20"

    Iron Age IA-RIV-0820 Class B River Rock Cast Iron Grate – RAW 8" x 20"

    Iron Age IA-RIV-0820 Class B River Rock Cast Iron Grate – RAW 8" x 20"

    Regular price $217.36 USD
    Regular price Sale price $217.36 USD
    Unit price /  per 
  • Iron Age Janis 24x24 catch basin cast iron grate

    Iron Age IA-JANIS-CB24-BF / JN24-24|14 Class B Janis Cast Iron 24" x 24" Grate - BoOF

    Iron Age IA-JANIS-CB24-BF / JN24-24|14 Class B Janis Cast Iron 24" x 24" Grate - BoOF

    Regular price $908.05 USD
    Regular price Sale price $908.05 USD
    Unit price /  per 
  • 5inch-cast-iron-grate-carbochon-raw2-1024x768

    Iron Age IA-CARB-0520 Class B Carbochon Cast Iron 122mm x 500mm Grates - RAW

    Iron Age IA-CARB-0520 Class B Carbochon Cast Iron 122mm x 500mm Grates - RAW

    Regular price $167.31 USD
    Regular price Sale price $167.31 USD
    Unit price /  per 
  • Iron Age Regular Joe Heel Proof BoOF

    Iron Age IA-JOE-0820-HP-BF REGULAR JOE Heel Proof Cast Iron Grate – 8" x 20" BoOF

    Iron Age IA-JOE-0820-HP-BF REGULAR JOE Heel Proof Cast Iron Grate – 8" x 20" BoOF

    Regular price $397.54 USD
    Regular price Sale price $397.54 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST® DP0653SB 24" Catch Basin w/DG0659 Slotted Fiberglass Grate

    POLYCAST® DP0653SB 24" Catch Basin w/DG0659 Slotted Fiberglass Grate

    Regular price $1,460.97 USD
    Regular price Sale price $1,460.97 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
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    Feb 02, 2024
  • TDS Bronze Age™ Collection

    Oct 31, 2023

On Sale

  • ULMA HYDROPLUS Mini w/ BARS Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ BARS Ductile Iron Grate Class C

    $237.16 $183.00
  • ULMA HYDROPLUS Mini w/ FERN Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ FERN Ductile Iron Grate Class C

    $237.16 $183.00
  • ULMA HYDROPLUS Mini w/ CATHEDRAL Ductile Iron Grate Class C

    ULMA HYDROPLUS Mini w/ CATHEDRAL Ductile Iron Grate Class C

    $237.16 $183.00
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