Houseboat Building or Repair - What plywood, exterior or marine grade?

Houseboat Building or Deck Repairs
Use Exterior or Marine Grade plywood?

When it comes to houseboat building or a deck repair, what plywood do we use, interior, exterior, or marine grade plywood's?

Last September we purchased a 1969 34 foot Nautaline. It is what you would call a "fixer upper"! But we are looking at it as a fun project for this summer.

The question I have is I know it is recommended to use marine plywood, but I have read that a lot of people use a good exterior grade plywood and with the proper sealant, this works just as well, and alot cheaper !!

With all the other work that needs to be done on her, I want to do a good job, but I also have to be budget oriented.

We plan on keeping her for only a few years and then going to a larger boat, so I want to be able to get back the money I put in.

What are your thoughts on this, and do you have any helpful hints on making this as pain free as possible? Do you know of any books that cover this type of project?

Thanks Don.





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