Condensation on metal roofs can be a problem once the weather starts to get cold.
How to stop condensation on metal garage roof.
Metal gets cold faster than other items so condensation begins on metal first.
How to stop a metal roof sweating 5 key points to solving your shed condensation problem metal roof sweating is a result of excess humidity condensing on the underside of your roof.
Ok now we understand a bit how the condensation in metal sheds happens.
Picture a cloud of moisture floating overhead between the rafters.
It can lead to roof leaks even if rain has not occurred for several days.
Worse if the roof is over your shop carport barn or self storage unit you have to worry about what damage it is doing to the contents of these buildings.
Condensation happens when moisture filled air contacts anything that is below the dew point temperature.
Essentially condensation occurs at night when the temperature inside a building is warmer than outside.
The metal roof heats up quickly in the sun.
That excess moisture ends up as drops of condensation on the roof.
Why metal shed and garage roofs get condensation it took me a while to work this out but if you think of the way a solar still works that is what is happening to your shed roof.
Have you ever been under a metal roof that had condensation on the bottom side of it.
The condensation occurs most commonly on the roof as the warmest most moisture laden air rises to roof level.
Warm wet air rises and meets the cold roof and cools.
Metal roofs are known for this with condensation forming particularly at the beginning and end of a day.