I have a steel boat and it is going rusty. I was not warned about this when I bought 33 years ago (but you live and learn) - and it also need a lot of cleaning and painting - that I have done regularly (almost annually to make it look pretty) - except hull blacking (only 3 times). And when recently in the dry dock I paid a surveyor to inspect and value my boat (for fully com insurance - and pending sale).
The surveyor as good as condemned my boat. In fact he did a better 'blacking' job than the boat yard. He did not inspect the interior at all...I should have saved my money!
Due to excessive rust 'pitting' in numerous places the surveyor recommended it was necessary to have the patches cut out and refilled with new steel - or the hull replated etc, etc, ..
and waffle about the ineffectiveness of each option ....but subsequently refused to tell me what standards of minimum hull thickness applied - or how long I had before my boat would become 'unseaworthy' and not allowed on the canals....or when replating became a requirement, all I got was 'clever' answers with smug arrogance.
I did not have my boat replated. The insurance company accepted the report and renewed my fully comp, policy at the survey value.
From this questions arise,
1, Are there any standards for minimum thickness of rusty hulls?
2, What is the death profile of a steel narrow?
3, Who would buy a rusty boat?
Any idea please,