I've repaired and modded a few pontoons but this time I will be cutting out bad/crushed sections of the pontoons and welding new sections in.
I plan to plasma cut the bad out and have 1/8" aluminum patch panels rolled to a 24" dia at a sheet metal shop, and then weld them in.
Probably try the spool gun first but have a tig.
I know some people on here have talked about repairing pontoons before, I just wanted to see if there is anything special I should look out for.
(I know the inside is going to be a scummy mess.)