Having problems with roof dripping in a fairly large but simple garage building. The panel is simple with "edge to edge" planks that have dried, resulting in quite wide gaps. At the bottom of the walls, there is also a decimeter of air gap—in other words, it is well ventilated.

Recently, with the milder weather, it’s been dripping quite significantly from the roof.

I may not need a 100% solution but would like to make some progress.

I've seen there are different ways to treat the roof, but not much about their costs.
 
  • Interior view of a garage roof with wooden beams and metal connectors, highlighting the construction allowing for potential roof leaks.
The reason for condensation is the metal sheet and the fact that you don't have anything underneath it such as a cloth or other underlayment. The panel and the air gap do not matter for condensation.

I don't have a good solution to propose though. It will drip as long as you don't have something under the metal sheet.
 
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