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    • Popular Manufacturers
      • TDS
      • NDS
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      • All Manufacturers
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      • Dura Slope
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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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  • Iron Age-IA CARB-0820 2

    Iron Age IA-CARB-0820 Class B Carbochon Cast Iron Grate - RAW 8" x 20"

    Iron Age IA-CARB-0820 Class B Carbochon Cast Iron Grate - RAW 8" x 20"

    Regular price $291.72 USD
    Regular price Sale price $291.72 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 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 
  • Iron Age 5 Inch Cast Iron Grate Greek Key BoOF

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

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

    Regular price $223.08 USD
    Regular price Sale price $223.08 USD
    Unit price /  per 
  • 5inch-cast-iron-grate-RiverRock-boof

    Iron Age IA-RIV-0520-BF Class B ADA River Rock Cast Iron 122mm x 500mm Grate - BoOF

    Iron Age IA-RIV-0520-BF Class B ADA River Rock Cast Iron 122mm x 500mm Grate - BoOF

    Regular price $223.08 USD
    Regular price Sale price $223.08 USD
    Unit price /  per 
  • IA-CARB-0520-BF Iron Age Carbochon 5x20" Baked on Oil Finish cast iron

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

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

    Regular price $223.08 USD
    Regular price Sale price $223.08 USD
    Unit price /  per 
  • IA-locust-raw-3x12-fullview-TDSdrains

    Iron Age IA-LOC-0312 Class B Cast Iron Locust 3" x 12" Grate - RAW

    Iron Age IA-LOC-0312 Class B Cast Iron Locust 3" x 12" Grate - RAW

    Regular price $74.36 USD
    Regular price $74.36 USD Sale price $74.36 USD
    Unit price /  per 
  • IA-INTER-CB9 Iron Age Interlaken Raw Cast Iron 9" Catch Basin Grate

    Iron Age IA-INTER-CB09 Class B Interlaken Cast Iron 9" x 9" Grate - RAW

    Iron Age IA-INTER-CB09 Class B Interlaken Cast Iron 9" x 9" Grate - RAW

    Regular price $194.48 USD
    Regular price Sale price $194.48 USD
    Unit price /  per 
  • IA-Bull-LCB12-HPBF NDS 12" Low Profile Catch Basin with Iron Age Bullseye Baked on Oil Finish Cast Iron Grate

    NDS 12" Low Profile Catch Basin Kit w/ Iron Age Bullseye Grate | BoOF

    NDS 12" Low Profile Catch Basin Kit w/ Iron Age Bullseye Grate | BoOF

    Regular price From $342.33 USD
    Regular price Sale price From $342.33 USD
    Unit price /  per 
  • IA-6in-round-Interlaken-BF-DK

    Iron Age IA-INTER-6D-HP-BF Class B Interlaken 6" Dia Grate – BoOF

    Iron Age IA-INTER-6D-HP-BF Class B Interlaken 6" Dia Grate – BoOF

    Regular price $143.00 USD
    Regular price Sale price $143.00 USD
    Unit price /  per 
  • Ironage-12x12-Cast-Iron-Oblio-Grate-catch-basin-kit

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

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

    Regular price From $304.82 USD
    Regular price Sale price From $304.82 USD
    Unit price /  per 
  • NDS Wave Mini Channel Cast Iron BoOF Grate

    NDS 555CI-BF Class B ADA Compliant Wave Cast Iron 3" x 12" Grate - BoOF

    NDS 555CI-BF Class B ADA Compliant Wave Cast Iron 3" x 12" Grate - BoOF

    Regular price $93.16 USD
    Regular price Sale price $93.16 USD
    Unit price /  per 
  • 5inch-cast-iron-grate-Janis-BooF2

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

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

    Regular price $223.08 USD
    Regular price Sale price $223.08 USD
    Unit price /  per 
  • 24 inch Iron Age Interlaken Raw Cast Iron Grate Raw

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

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

    Regular price $1,156.87 USD
    Regular price Sale price $1,156.87 USD
    Unit price /  per 
  • NDS1224CI-BF NDS 12x12" Baked on Oil Finish Cast Iron Catch Basin Grate

    NDS 1224CI-BF Class B ADA Compliant Wave Cast Iron 12" x 12" Grate - BoOF

    NDS 1224CI-BF Class B ADA Compliant Wave Cast Iron 12" x 12" Grate - BoOF

    Regular price $508.98 USD
    Regular price Sale price $508.98 USD
    Unit price /  per 
  • Iron Age IA-JOE-0820 REGULAR JOE Cast Iron Grate – BoOF 8" x 20" | RJN8-20I04

    Iron Age IA-JOE-0820 REGULAR JOE Cast Iron Grate – BoOF 8" x 20" | RJN8-20I04

    Iron Age IA-JOE-0820 REGULAR JOE Cast Iron Grate – BoOF 8" x 20" | RJN8-20I04

    Regular price $288.86 USD
    Regular price Sale price $288.86 USD
    Unit price /  per 
  • ULMA HYDROM-INTER-HP-BF HYDROPLUS Mini Interlaken Heelproof - BoOF

    HYDROPLUS Mini w/ Iron Age 5"x 20" Heel Proof Interlaken BoOF Cast Iron Grate | Class B

    HYDROPLUS Mini w/ Iron Age 5"x 20" Heel Proof Interlaken BoOF Cast Iron Grate | Class B

    Regular price From $508.32 USD
    Regular price Sale price From $508.32 USD
    Unit price /  per 
  • IA-Oblio-CB12-BF Iron Age Oblio Catch Basin Grate with Baked on Oil Finish

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

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

    Regular price $297.44 USD
    Regular price Sale price $297.44 USD
    Unit price /  per 
  • POLY700-AA-641D-TDSdrains cast iron frame ductile iron slotted grate polymer concrete channel Polycast

    POLYCAST 700 Series Kit w/ DG0641D Slotted Ductile Iron Grate & Frame

    POLYCAST 700 Series Kit w/ DG0641D Slotted Ductile Iron Grate & Frame

    Regular price From $301.86 USD
    Regular price Sale price From $301.86 USD
    Unit price /  per 
  • IA-Inter-CB12-BF Iron Age Interlaken 12" Catch Basin Grate in Baked on Oil Finish Cast Iron

    Iron Age IA-INTER-CB12-BF Class B Interlaken Cast Iron 12" x 12" Grate - BoOF

    Iron Age IA-INTER-CB12-BF Class B Interlaken Cast Iron 12" x 12" Grate - BoOF

    Regular price $297.44 USD
    Regular price Sale price $297.44 USD
    Unit price /  per 
  • 9x9-cb-kit-lp-ci-grate-interlaken-1024x768-Recovered

    NDS 930 Low Profile 9" Catch Basin Kit with Iron Age Interlaken Grate | Natural

    NDS 930 Low Profile 9" Catch Basin Kit with Iron Age Interlaken Grate | Natural

    Regular price From $247.31 USD
    Regular price Sale price From $247.31 USD
    Unit price /  per 
  • IA-Inter-0520-BF Iron Age Interlaken 5x20" Cast Iron Baked on Oil Finish Grate

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

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

    Regular price $223.08 USD
    Regular price Sale price $223.08 USD
    Unit price /  per 
  • IA-BAY-0520-HP-BF Iron Age 5x20" Bay Pattern Heel Proof with Baked on Oil Finish

    Iron Age IA-BAY-0520-HP-BF Class B HP Mission Bay Cast Iron 5x20 (Nominal) Grate - BoOF

    Iron Age IA-BAY-0520-HP-BF Class B HP Mission Bay Cast Iron 5x20 (Nominal) Grate - BoOF

    Regular price $223.08 USD
    Regular price Sale price $223.08 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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