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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
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
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      • All Channel Materials
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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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  • IA-JOE-0520-BF Iron Age Regular Joe 5x20" Baked on Oil Finish Grate

    Iron Age IA-JOE-0520-BF Class B Regular Joe Cast Iron 122mm x 500mm Grate - BoOF

    Iron Age IA-JOE-0520-BF Class B Regular Joe Cast Iron 122mm x 500mm Grate - BoOF

    Regular price $223.08 USD
    Regular price Sale price $223.08 USD
    Unit price /  per 
  • Mini-3x12 Ironage Acanthus-Boof deco grate

    Iron Age IA-ACA-0312-BF Class B Acanthus Cast Iron 3" x 12" Grate - BoOF

    Iron Age IA-ACA-0312-BF Class B Acanthus Cast Iron 3" x 12" Grate - BoOF

    Regular price $108.68 USD
    Regular price Sale price $108.68 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 $702.13 USD
    Regular price Sale price $702.13 USD
    Unit price /  per 
  • IA-Sun-CB12-BF Iron Age Sun 12" Catch Basin Grate in Baked On Oil Finish

    Iron Age IA-SUN-CB12-BF Class B Sun Cast Iron 12" x 12" Grate - Baked on Oil Finish

    Iron Age IA-SUN-CB12-BF Class B Sun Cast Iron 12" x 12" Grate - Baked on Oil Finish

    Regular price $297.44 USD
    Regular price Sale price $297.44 USD
    Unit price /  per 
  • POLY600-XX-692-DK cast iron patriot grate polymer concrete channel Polycast

    POLYCAST® 600 Vinyl Ester Series Kit w/ DG0692 Patriot Ductile Iron Grate

    POLYCAST® 600 Vinyl Ester Series Kit w/ DG0692 Patriot Ductile Iron Grate

    Regular price From $366.34 USD
    Regular price Sale price From $366.34 USD
    Unit price /  per 
  • IA-JOE-0520-HP-Iron Age Regular Joe Heel Proof 4.8x19.6 grate - Raw

    Iron Age IA-JOE-0520-HP Class B Heel-Proof Regular Joe Cast Iron 122mm x 500mm Grate - RAW

    Iron Age IA-JOE-0520-HP Class B Heel-Proof Regular Joe Cast Iron 122mm x 500mm Grate - RAW

    Regular price $167.31 USD
    Regular price Sale price $167.31 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 
  • IA-Spee-D-Locust-Grate-4x24-fullview raw cast iron grate

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

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

    Regular price $154.44 USD
    Regular price Sale price $154.44 USD
    Unit price /  per 
  • LPK12-IA-SUN NDS Low Profile 12" Catch Basin with Iron Age Raw Cast Iron Sun Grate

    NDS 12″ Low Profile Catch Basin Kit with Iron Age Sun Grate | Natural

    NDS 12″ Low Profile Catch Basin Kit with Iron Age Sun Grate | Natural

    Regular price From $286.56 USD
    Regular price Sale price From $286.56 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 
  • NDS1218CI NDS Cast Iron Grate in Botanical

    NDS 1218CI Class B Botanical Cast Iron 12" x 12" Grate - RAW

    NDS 1218CI Class B Botanical Cast Iron 12" x 12" Grate - RAW

    Regular price $294.86 USD
    Regular price Sale price $294.86 USD
    Unit price /  per 
  • IA-Interlaken-raw-3x11-full-TDSdrains

    Iron Age IA-INTER-0311 Class B Interlaken Cast Iron 3" x 11" Grate - RAW

    Iron Age IA-INTER-0311 Class B Interlaken Cast Iron 3" x 11" Grate - RAW

    Regular price $74.36 USD
    Regular price Sale price $74.36 USD
    Unit price /  per 
  • Iron Age-IA CARB-0820 2 - BoOF

    Iron Age IA-CARB-0820-BF Class B Carbochon Cast Iron Grate - BoOF 8" x 20" (Nominal)

    Iron Age IA-CARB-0820-BF Class B Carbochon Cast Iron Grate - BoOF 8" x 20" (Nominal)

    Regular price $367.51 USD
    Regular price Sale price $367.51 USD
    Unit price /  per 
  • Iron Age Cast Iron Locust 6 inch diameter round grate BOOF

    Iron Age IA-LOC-6D-HP-BF Heel-Proof Locust Cast Iron 6.75″ Dia Grate – BoOF

    Iron Age IA-LOC-6D-HP-BF Heel-Proof Locust Cast Iron 6.75″ Dia Grate – BoOF

    Regular price $143.00 USD
    Regular price Sale price $143.00 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 
  • IA-INTER-0520-HP Iron Age Interlaken Raw

    Iron Age IA-INTER-0520-HP 5" HP Interlaken Cast Iron Grates Class B - Raw

    Iron Age IA-INTER-0520-HP 5" HP Interlaken Cast Iron Grates Class B - Raw

    Regular price $167.31 USD
    Regular price Sale price $167.31 USD
    Unit price /  per 
  • IA-QUE-3x12 Iron Age Cast Iron for Mini Channel

    Iron Age IA-QUE-0312-HP Class B Transverse Slotted Cast Iron 3" x 12" Grate - RAW

    Iron Age IA-QUE-0312-HP Class B Transverse Slotted Cast Iron 3" x 12" Grate - RAW

    Regular price $74.36 USD
    Regular price $74.36 USD Sale price $74.36 USD
    Unit price /  per 
  • IA-JOE-0520-HP-BF Iron Age Regular Joe Heel Proof 4.8x19.6 grate - BoOF

    Iron Age IA-JOE-0520-HP-BF Class B HP Regular Joe Cast Iron 5x20 (Nominal) Grate - BoOF

    Iron Age IA-JOE-0520-HP-BF Class B HP Regular Joe Cast Iron 5x20 (Nominal) Grate - BoOF

    Regular price $223.08 USD
    Regular price Sale price $223.08 USD
    Unit price /  per 
  • 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 
  • IA-OBLIO-CB12 Iron Age 12x12" Raw Cast Iron Oblio Grate

    Iron Age IA-OBLIO-CB12-HP Class B Heel-Proof Oblio Cast Iron 12" x 12" Grate - RAW

    Iron Age IA-OBLIO-CB12-HP Class B Heel-Proof Oblio Cast Iron 12" x 12" Grate - RAW

    Regular price $221.65 USD
    Regular price Sale price $221.65 USD
    Unit price /  per 
  • Mini-Acanthus-Raw 3x12 Iron Age deco grate

    Iron Age IA-ACA-0312 Class B Acanthus Cast Iron 3" x 12" Grate - RAW

    Iron Age IA-ACA-0312 Class B Acanthus Cast Iron 3" x 12" Grate - RAW

    Regular price $74.36 USD
    Regular price Sale price $74.36 USD
    Unit price /  per 
  • IA-CARB-0312-BooF for mini channel

    Iron Age IA-CARB-0314-BF Class B Carbochon Cast Iron 3" x 14" Grate – BoOF

    Iron Age IA-CARB-0314-BF Class B Carbochon Cast Iron 3" x 14" Grate – BoOF

    Regular price $118.69 USD
    Regular price $118.69 USD Sale price $118.69 USD
    Unit price /  per 
  • Iron Age IA-ANISE-4D-BF Class B Anise Cast Iron 4" Dia. Grate - BoOF

    Iron Age IA-ANISE-4D-BF Class B Anise Cast Iron 4" Dia. Grate - BoOF

    Iron Age IA-ANISE-4D-BF Class B Anise Cast Iron 4" Dia. Grate - BoOF

    Regular price $72.93 USD
    Regular price Sale price $72.93 USD
    Unit price /  per 
  • Iron Age 8x20 River Rock Grate - BoOF deco grate cast iron

    Iron Age IA-RIV-0820-BF River Rock 8"x20" Cast Iron Grate – BoOF

    Iron Age IA-RIV-0820-BF River Rock 8"x20" Cast Iron Grate – BoOF

    Regular price $288.86 USD
    Regular price Sale price $288.86 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 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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