When the hull was scanned to establish thickness there was only one patch that was seriously thinned. The inlet and outlet for the heads had obviously been weeping for a long time and the plate had scaled off on the inside. The affected area – and the heads through-hulls were cut out and a new plate was welded in. It’s a lovely smooth finish and won’t stand out as an obvious replacement.

Here are outside and inside views:

At the same time the hole in the deck were the chimney from the stove went through has been welded up as well as a whole series of small holes – mainly from things that have been bolted on – have also been filled.