Nick Marsh
2/13/2012
I have a zinc roof on top of a seventeenth-century house in Paris, France. There is no loft, only my apartment's ceiling. The apartment suffers from condensation. I have changed all windows to double-glazed units, and I use a dehumidifier. Two questions: (1) is there anything else I can do? (2) How can I put in effective insulation into the ceiling/roof space?
Todd Miller
Isaiah Industries, Inc.
2/13/2012
The keys are probably ventilation, insulation, and a vapor barrier. Where is the condensation occurring? If it is on the windows, another option would be run a fan providing better air circulation inside your living quarters. Condensation getting trapped against zinc roofing can be dangerous to the zinc.
Eric Novotny
An informed customer is the Best Customer!
2/13/2012
+1 Where is the condensation happening. Also, what is the roof structure like? Is it what we call a hot (i.e. insulated) roof design or is there an attic?

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