On Sun, 8 Jan 2012 05:43:26 -0800 (PST), Jim K wrote:

they've been in a damp cold garage (wrapped in a tarp so not "wet" per
se)

Bring them into the enviroment you intend to use them in and wait.
And wait. And wait. As others have said once they have dried out they
may well become flat again but it will take a while, think months
rather than weeks or days.


--
Cheers
Dave.