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metal garage/barn and condensation

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Guest User
12/8/2013
We are specifying a new 30'x40' metal building to be used as a garage, for tool and garden equipment storage, and occasional workshop use. No heating. No insulation on walls or roof. Ridge ventilation. Garage doors at both ends. The barn supplier thinks we will have condensation problems if we do not insulate the roof. A friend has an almost identical structure to ours, same usage, same ventilation, and has never seen a condensation problem. Do we need to insulate the roof in this situation?
Todd Miller
Isaiah Industries, Inc.
12/8/2013
As long as you do not have any sources of heat or moisture inside the building and as long as you have intake vents to feed the ridge vent, I think you will be okay.
Guest User
12/9/2013
There will be an occasional warm car and a far-less-occasional wet car - we tend to get seldom but heavy rain. Maybe a couple of barn cats sleeping. That's pretty much it on heat and moisture.
Eric Novotny
An informed customer is the Best Customer!
12/9/2013
Should be completely fine. You have above average humidity there on a normal basis so the air is pretty moisture laden already. The venting you mention should handle it just fine.
Guest User
12/11/2013
Thank you. Your help is much appreciated.
Eric Novotny
An informed customer is the Best Customer!
12/12/2013
My pleasure. Thanks for using metal for your roofing project. Keep us posted and put up some pictures when you are done.

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