Helpful stuff. Thank you. Just to make sure I'm clear... For the Lewmar ports my train of thought is that since there is no visible sign of water around the inside of the port, and if there are no fixing holes anywhere that I can't see, (just the big one I look through!) then the ports are not the source of the leak. In order to get into the deck the water would have to come under the outer bezel to the inside onto/into the wood that I can see, and work its way down to the chain plates from there. If I understand you right Ron, there are no holes. But I'll try the silicone round the edge trick anyway. In a similar vein, modelling clay round the chain plate is in no way permanent, but it's an easy way to make a temporary seal to try prove or disprove it as a leak point.
Regarding the deck joint, my question is about the joint to the sides of the cabin, not to the hull. I think the core for the cabin top is plywood, and I know the core for the deck is plywood. I could imagine that during construction a crack is left where the two join. This could be a conduit for any water that gets in there, such as from the genoa track.
Regarding the deck joint, my question is about the joint to the sides of the cabin, not to the hull. I think the core for the cabin top is plywood, and I know the core for the deck is plywood. I could imagine that during construction a crack is left where the two join. This could be a conduit for any water that gets in there, such as from the genoa track.