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post #9 of Old 01-02-2014
Brent Swain
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Join Date: Jan 2012
Location: British Columbia
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Re: Condensation inside sailboat...

I have never had a condensation problem on my boat in any weather , thanks to an inch and a half of spray foam, despite living aboard in all weather in BC winters. Insulation on everything is the key. A friend ,living on a cement boat, had condensation problems, until he installed a dehumidifier. It took 5 gallons out of the air in ,the first few days, then it tapered off and things began to dry far more quickly. It takes only 2 degrees of temperature difference between the temp of a surface and the air, for condensation to form.

Brent Swain, Boat designer, Builder, and author of "Origami Metal Boatbuilding"
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