Re: Here I go again!! 1995 Sea Ray 220 Signature Deck and Stringer Restoration
Re: Here I go again!! 1995 Sea Ray 220 Signature Deck and Stringer Restoration
Jay,
If you haven't come up with a definite plan on pouring your foam, let me try a couple of experiments for you. I work in the foam industry, making pre-insulated pipe. Others have been correct in saying that close cell foam will absorb water over time, but maintaining that "skin" will help reduce water absorbtion. As long as you pour the foam, and don't allow it to compress in a closed space, it won't produce any more pressure than it's own weight. If you put it in a space, and cap it off, as we do in our production process, you better have a vent to allow the pressure to escape or you will push your deck off the stringers. Trust me, I've seen several of my employees covered in foam when a cap has blown. Thankfully they are wearing full coverage, safety suits.
I like the idea of the ballons running down the stringer. If we have a few days, I will find the ballons, and pour some foam over them and see if they hold up. I'm pretty sure that just by wrapping them in paper, they won't burst while the foam cures. If you run your DA over your finished glass job on your stringers, that, along with the paper will protect the ballons enough for the foam to cure. Also, the ballons should leave a good smooth skin on the cured foam to help prevent water absorbtion.
Bob