I have used both moisture traps and a pukka dehumidifier.
The moisture traps did indeed do as they say on the box, but they would do that anyways whether inside or outside because there is always some moisture in the air anyway.
A dehumidifier will only take out excess moisture and so it is what I prefer to use.
When we come back from a long trip, I use the dehumidifier to remove the excess moisture from the van that has been caused by condensation and the damp brought in by our two dogs.
Once everything feels dry again, I pack the bedding etc in vacuum bags and that is the way the van stays, (with all the cupboards etc open ofcourse)until time to repack it for the next trip.
There will always be some moisture in a caravan or any other enclosed space, but if it "feels dry" and it "smells dry" then it probably is dry.
It is only if there are signs that it is not as dry as you would like it to be that you need to take extra steps to dry it out.
Just make sure all vents are clear and they should do the job with no damage or damp to the caravan and also as has already been said regarding doors/seat cushions ect.
The only issue would be if there was already damp in the caravan coming from sealant issues in awning rails around skylights etc, which would need to be repaired anyway but thats a seperate issue.
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I DONT KNOW ABOUT YOUR VAN BUT MY ADORA HAS VENTS AT THE BACK OF EACH LOCKER TOP AND BOTTOM SO WARM AIR RISING CAN ENTER LOCKERS AND THEN EXIT OUT TOP AND DROPS WHEN COOLED AFTER HITTING CEILING.
THIS ALSO KEEPS COLD OFF ANY CLOTHES STORED IN LOCKER WHEN AWAY DURING WINTER
Quote: Originally posted by robin52 on 23/11/2015
The caravan has permanent air vents so what's the point of any moisture traps?
And no I don't think location in the country matters.