Not at this time as far as I have researched. However, using basalt mesh & rebar in place of similar steel products in a cement boat would enable thinner cement "walls" due to not needing to protect the steel from the water. read more
There aren't many fero cement boats being built now. It would make sense for anyone building a boat, water tank or other concrete items that are likely to saturate, to use rebar that won't rust. I've seen three boats that blew apart when the rebar expanded. read more