If it's manageable to get a dehumidifier you can regularly dump, that'd help, but I'd step on the gas and sift through to pluck out the most valuable stuff for the short term. It's not often that the boards get this issue, but it's certainly a possibility if they've been in those conditions for a very long period of time.
If it's manageable to get a dehumidifier you can regularly dump, that'd help, but I'd step on the gas and sift through to pluck out the most valuable stuff for the short term. It's not often that the boards get this issue, but it's certainly a possibility if they've been in those conditions for a very long period of time.