Steel tank repair with no downtime at pulp & paper mill.

Pulp & Paper Steel Tank Before Carbon Fiber Repair showing rust and damage.
HJ3 team working on a large steel tank with over 900 through-holes that needed repair.
The finished painted steel tank after CarbonSeal repair and protective topcoat.

Problem vs solution:


  • Corrosion caused more than 900 through-holes on this steel tank.
  • Corrosion to the tank walls ranged from 30% – 50% steel loss.
  • The repair was completed in 6 weeks.
  • The client saved 2 Million versus replacement costs.
  • The repaired tank is still in service today.


"We found some 900 holes that needed patching."
"HJ3 came in to restore the structural integrity of the tank. That was in 2005 and we haven’t had a problem."