“Neenah Foundry offers a variety of underdrains. Select from the list below to find the underdrain that is a perfect fit for your needs.

R-4028 Cast Iron Underdrain+


Cast Iron Underdrain

Heavy Duty

R-4028 Cast Iron Underdrain

  • Drawing demonstrates cast iron underdrain sections used along railroad right-of-way.
  • Ballast or gravel-filled road bed permits ready drainage of surface water into underdrain where it is conducted to the storm sewer.
  • Laying length is 18".
  • Note drainage intake holes in each section of cast iron underdrain.

Back to Top