Graham, the big problem with boats is there are a huge number of things attached to the cabin top with bolts and screws holding them in place. If just one of those 300 or more screws wasn't properly caulked during installation, that tiny opening allows lots of water to enter the space between the inner and outer hull, which can be a problem with mold formation if not fixed. So far, no mold, but lots of water seeping in.
Keeping my fingers crossed,
Gary

Edited by travlin'easy (03/05/19 11:50 AM)
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