This weekend I installed a new holding tank and along with it a new clean out fitting on deck. The project allowed me to essentially take a ‘core sample’ of my side deck which was exciting and scary.
The results are interesting:
1. The boat deck has a plywood in it. This is welcome news as I was expecting balsa.
2. The plywood isn’t mush. Also welcome given this location is a trouble area in Bluewaters. In fact it seemed fairly strong, not soggy at all but not bone dry either.
3. There is one thin layer in there that turned to powder. Not sure where it sits in the sandwich that makes up the deck nor can it tell what it is, perhaps mastic or a layer of balsa? Not sure.
Photos attached, opinions welcome