On Tue, 03 Jan 2006 11:41:23 -0500, Wayne.B wrote:

On Tue, 03 Jan 2006 06:30:51 -0500, Harry Krause
wrote:

Since the water buildup probably occurred over a long
period of time via osmosis through tiny pores in the glass gelcoat,
wouldn't a rapid dissipation of the water be impossible through those
same pores? Would you not end up just "deskinning" the boat, as it
were...popping off the gel coat?

That is probably a very real concern in my opinion. Turning water
into steam can create some very high pressures if entrapped.

The best cure is simply not to buy a boat with an osmotic blister
problem. I know this flies in the face of the advice of boat salesmen,
owners of boats, and others with a stake in the used boat business, but
better osmotic acne remain *their* problem, and not yours.

Easy to say but the real world is different if you own an older boat.
Boats that have never blistered in the past can suddenly develop a
crop if conditions change, e.g., water temperature, length of season,
etc. On a boat over 4 or 5 years old you really have no recourse with
the manufacturer.

Does this happen mostly to boats that are in slips? Are those removed from the water
after each use subject to this blistering?

--
John H.

"Divide each difficulty into as many parts as is feasible and necessary to resolve it."
Rene Descartes