Log cabin, condensation

[JohnD]

You could probably share with us how to stop the condensation forming on the outside of our car windows when its parked on the drive too, on these cold days and nights.

open the windows.

you can shut them again after the temperature has stabilised.

I will confess my shed is not made of steel and glass.

 

[PerryBach]

When we get day light I'll ake a few photos, the deck is basically suspended with the front foot overhanges a pond.inside the cabin the deck is dry.

 

[PerryBach]

The decking a basically suspended, 8" top end to 15" to 18" bottom with an overhange of about a foot over a pond, inside the cabin the decking is dry there is a few mil gap between each board, see photos below.
The door pic shows a stone step where the decking is cut around, some water runs down the step and drops delow the deck.
The roof sheet pic shows the under side of the log lap sofit.
The two pond pics shows the back end and the gap below the decking boards which I think allows for sufficient air flow under the decking? should I deside to a vapour barrier, however, would be difficult to seal around the step?

 

[^woody^]

Moisture is not coming up through the floor. It's in the air, 50-60% and if you open the windows or door to ventilate you let air with 90-95% moisture in it in at this time of year. When that air cools on the cold roof, you get the drips. It's a fundamental principle.