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      • All Drainage Systems
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  • IA-9x20in-CI-Oblio-Grate-TDSdrains Iron Age raw cast iron deco grate

    Iron Age IA-OBLIO-0920 Class B ADA Compliant OBLIO Ductile Iron 9" x 20" Grate - RAW

    Iron Age IA-OBLIO-0920 Class B ADA Compliant OBLIO Ductile Iron 9" x 20" Grate - RAW

    Regular price $296.01 USD
    Regular price Sale price $296.01 USD
    Unit price /  per 
  • 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 $294.38 USD
    Regular price Sale price $294.38 USD
    Unit price /  per 
  • ZURN P12-DGE_Ductile Iron Grate_Class E

    Zurn P12-DGE H-20 Class E Slotted Ductile Iron 12" x 24" Grate

    Zurn P12-DGE H-20 Class E Slotted Ductile Iron 12" x 24" Grate

    Regular price $405.60 USD
    Regular price Sale price $405.60 USD
    Unit price /  per 
  • P6-DGE Zurn ductile iron class E grate

    Zurn P6-DGE-USA Class E Slotted Ductile Iron 6" x 20" Grate

    Zurn P6-DGE-USA Class E Slotted Ductile Iron 6" x 20" Grate

    Regular price $264.80 USD
    Regular price Sale price $264.80 USD
    Unit price /  per 
  • POLYCAST DG0675HD-G Slotted Ductile Iron - Galvanized HP & ADA Grate 6" x 24" (Nominal)

    POLYCAST DG0675HD-G Slotted Ductile Iron - Galvanized HP & ADA Grate 6" x 24" (Nominal)

    POLYCAST DG0675HD-G Slotted Ductile Iron - Galvanized HP & ADA Grate 6" x 24" (Nominal)

    Regular price $86.32 USD
    Regular price Sale price $86.32 USD
    Unit price /  per 
  • ULMA MultiV200 660 - FNX200RGDM Class D

    ULMA 660 Slotted Ductile Iron 9x20 Class D Grate - MultiV+200

    ULMA 660 Slotted Ductile Iron 9x20 Class D Grate - MultiV+200

    Regular price $90.07 USD
    Regular price Sale price $90.07 USD
    Unit price /  per 
  • POLYCAST DG0641D-G Slotted Ductile Iron - Galvanized Grate 6" x 24" (Nominal)

    POLYCAST DG0641D-G Slotted Ductile Iron - Galvanized Grate 6" x 24" (Nominal)

    POLYCAST DG0641D-G Slotted Ductile Iron - Galvanized Grate 6" x 24" (Nominal)

    Regular price $71.34 USD
    Regular price Sale price $71.34 USD
    Unit price /  per 
  • New Image Coming Soon

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

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

    Regular price From $391.38 USD
    Regular price Sale price From $391.38 USD
    Unit price /  per 
  • DG3043D 3000 Series Black Transverse Slotted ADA Grate Class D400

    DG3043D Class D ADA Compliant Transverse Slotted Ductile Iron 8"x24"x1.5" Grate

    DG3043D Class D ADA Compliant Transverse Slotted Ductile Iron 8"x24"x1.5" Grate

    Regular price $72.09 USD
    Regular price Sale price $72.09 USD
    Unit price /  per 
  • ULMA MultiV200 678 - FNLHX200RGDEM Class E

    ULMA 678 Transverse Slotted HP Ductile Iron 9x20 Class E Grate - MultiV+200

    ULMA 678 Transverse Slotted HP Ductile Iron 9x20 Class E Grate - MultiV+200

    Regular price $119.23 USD
    Regular price Sale price $119.23 USD
    Unit price /  per 
  • Zurn P6-GHPD Galvanized Ductile Iron Grate (2)

    Zurn P6-GHPD 5-3/8" Galvanized Ductile Iron Slotted Grate

    Zurn P6-GHPD 5-3/8" Galvanized Ductile Iron Slotted Grate

    Regular price $143.20 USD
    Regular price Sale price $143.20 USD
    Unit price /  per 
  • NDS-Wave-cast-iron-grate-TDSdrains

    NDS 253CI Class B ADA Compliant Wave Ductile Iron 4" x 24" Grate - RAW

    NDS 253CI Class B ADA Compliant Wave Ductile Iron 4" x 24" Grate - RAW

    Regular price $174.12 USD
    Regular price Sale price $174.12 USD
    Unit price /  per 
  • FP1200-FG1246-1-Ductile-Iron-Grate-Class-F

    TDS DG1246 Class F Slotted Ductile Iron 14" x 24" x 1.5" Grate

    TDS DG1246 Class F Slotted Ductile Iron 14" x 24" x 1.5" Grate

    Regular price $316.17 USD
    Regular price Sale price $316.17 USD
    Unit price /  per 
  • Gatic Cast Iron Slotted Grate - Top View

    TDS 462G Class D Slotted Ductile Iron Grate

    TDS 462G Class D Slotted Ductile Iron Grate

    Regular price $46.49 USD
    Regular price Sale price $46.49 USD
    Unit price /  per 
  • POLYCAST DG0653F Ductile Iron 24" X 24" Catch Basin Frame

    POLYCAST DG0653F Ductile Iron 24" X 24" Catch Basin Frame

    POLYCAST DG0653F Ductile Iron 24" X 24" Catch Basin Frame

    Regular price $477.23 USD
    Regular price Sale price $477.23 USD
    Unit price /  per 
  • TDS 461D Universal Ductile Iron Grate

    TDS 461D Class E Slotted Ductile Iron 122mm x 500mm Grate

    TDS 461D Class E Slotted Ductile Iron 122mm x 500mm Grate

    Regular price $46.80 USD
    Regular price Sale price $46.80 USD
    Unit price /  per 
  • FP1200-FG1241-TDS-1 FP Series ductile iron grate heavy duty

    TDS DG1241 Class C Slotted Ductile Iron 14" x 24" x 1.5"Grate

    TDS DG1241 Class C Slotted Ductile Iron 14" x 24" x 1.5"Grate

    Regular price $288.95 USD
    Regular price Sale price $288.95 USD
    Unit price /  per 
  • 480 FNHX100KCCM ductile iron heel-proof wave grate

    ULMA 480 Class C Wave Iron Heel-Proof Ductile Iron 122mm x 500mm Grate

    ULMA 480 Class C Wave Iron Heel-Proof Ductile Iron 122mm x 500mm Grate

    Regular price $48.91 USD
    Regular price Sale price $48.91 USD
    Unit price /  per 
  • Zurn-P6-HPDE Z886 Z806 Class E slotted heel-proof Ductile Iron Grate

    Zurn P6-HPDE-USA Class E Slotted Heel-Proof Ductile Iron 6" x 20" Grate

    Zurn P6-HPDE-USA Class E Slotted Heel-Proof Ductile Iron 6" x 20" Grate

    Regular price $311.20 USD
    Regular price Sale price $311.20 USD
    Unit price /  per 
  • Zurn-P12-HPD Z882 Heel-Proof Longitudinal Grate

    Zurn P12-HPD Class B ADA Compliant Longitudinal Heel-Proof Ductile Iron 12" x 24" Grate

    Zurn P12-HPD Class B ADA Compliant Longitudinal Heel-Proof Ductile Iron 12" x 24" Grate

    Regular price $403.20 USD
    Regular price Sale price $403.20 USD
    Unit price /  per 
  • RG-151224-AB

    RG-151424-AB Heavy Duty Ductile Iron Slotted 14" x 24" x 1.5" Grate | TDS

    RG-151424-AB Heavy Duty Ductile Iron Slotted 14" x 24" x 1.5" Grate | TDS

    Regular price $257.04 USD
    Regular price Sale price $257.04 USD
    Unit price /  per 
  • DG0753 Drawing

    POLYCAST® DG0753 Ductile Iron Frame 24" x 24"

    POLYCAST® DG0753 Ductile Iron Frame 24" x 24"

    Regular price $654.64 USD
    Regular price Sale price $654.64 USD
    Unit price /  per 
  • ia-2x18-ci-grate-regular-joe- boof Iron Age 2"x18" Cast Iron Grate in Regular Joe with Baked on Oil FInish

    Iron Age IA-JOE-0218-HP-BF Class B HP Regular Joe Ductile Iron 2"x18" Grate – BoOF

    Iron Age IA-JOE-0218-HP-BF Class B HP Regular Joe Ductile Iron 2"x18" Grate – BoOF

    Regular price $148.72 USD
    Regular price Sale price $148.72 USD
    Unit price /  per 
  • IronAgeDSC01317 HP Regular Joe Cast Iron

    Iron Age IA-JOE-0218-HP Class B HP Regular Joe Ductile Iron 2" x 18" Grate – RAW

    Iron Age IA-JOE-0218-HP Class B HP Regular Joe Ductile Iron 2" x 18" Grate – RAW

    Regular price $92.95 USD
    Regular price Sale price $92.95 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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