I have decided to put pourable, expanding foam in the seatbacks to help fill every void. The seatback spaces are well sealed, so the only time the floatation foam will be needed is if the hull is punctured in that area along with swamping of the boat, something I hope will never happen. Here is the result of a pour of 20 oz. of foam in one of the backs.
I have had to stop at this point because I have to order more foam. Will go on to other things and come back to the seatbacks later.
The dorade boxes are finished (except for the tops) and I think a picture will make it easier to explain their purpose:
Here's the portside dorade box waiting for it's top (which is part of the cabin deck as you will see later). There is a vent hole opening into the cabin, and after the top is installed a hole for the horn vent will be drilled in it. A small drain hole will be drilled in the hull down near the bottom of the box. That way any water that gets in through the horn vent will drain out the side instead of getting into the cabin.
On to the cabin deck.
While I was doing the other jobs mentioned above I spread three coats of epoxy on the underside of the cabin roof (deck) so it would have time to cure.
The deck has been installed over the top of the cabin and you can see in the lower right corner of the photo the part of the deck that covers the dorade box. I realize now that it would have been much easier to drill the drain hole
before the deck was installed--this was not mentioned in the instructions. I can still do it, but it will be much harder now. Temporary screws to hold the deck while the glue cures are backed up by small pads to minimize damage to the deck. Even though it is the cabin roof it is also a deck because you walk on it to get to the front anchor well.
This wider shot gives a bit better idea of how the boat will look when finished. As you can see there are dorade boxes on each side.
The front well where the anchor will be stored will also have drain holes.
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