Line the attic.
Metal roof condensation.
When conditions change usually the ambient air temperature rises raising the dew point the moisture is released from the dr pstop material back into the air.
When installed on standard residential construction consisting of typical attic insulation proper and well functioning ventilation and roof decking metal roofs do not pose a condensation risk.
The answer is a product called dr pstop which is a felt like material with a rubber backer that can be applied to the back side of metal panels that will trap the moisture as the condensation forms.
Check for short circuits that may be causing moisture such as ceiling fans unsealed light fixtures and vent.
Inspect the house by looking for vents that flow into the attic such as bathroom and kitchen exhaust fans.
Good installation and ventilation means no condensation.
Build your structure where possible in an elevated position with good natural drainage place a vapor retarder under floor gravel or concrete ventilate enclosed building when concrete is being poured and continue to ventilate until it is cured use heaters that are vented to the.
What causes condensation on metal panels.