Hola,
Here is a cut and paste of one of my posts from many moons ago about a method of locating
leaks. Perhaps it will be of some value to you.
Hola,
I can’t answer your question about a sealer for the entire
cabin top but I can share with you a technique I used with much success many many times way back when I used to
work on boats for a living. We would take a large in line blower, similar to the ones you see utility crews using for ventilating underground vaults and other confined spaces, and put the elephant trunk, that is what they call the 8”, 10”, 12” diameter flexible accordion style hose, in through the companion way or a
hatch and then seal around it with heavy plastic and lots of tape. Obviously we would close all the other
ports and hatches and energize the blower, unless the pressure was too great and wanted to tear our fancy plastic/tape job, in which case we would adjust the pressure by slightly opening a port or two. Once the
interior is pressurized we would then spray a mixture of dish soap and
water over the areas in question, glass cleaner will also
work well, and when you see bubbles you have magically found at least one of your leak points. Takes a little set up, and maybe
renting the blower, but it never failed to find the
leaks for us
Probably something you already knew but my wife tells me I am not good for much but pointing out the obvious.
Safe Journeys,
~Jake
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