I, and a lot of my friends here in Finland, have been storing our boards in cold containers over the winter for the last 15 years. At times the temperature drops to -25C. and there has been absolutely no problem.
I have never released the went plug, and have no clue if opening the went is good (equilize the pressure) or bad (let in moisture)...
Anyhow, a few guys windsurfed all vinter last year, and they kept their "wet) boards in the very same containers.
I think your carpark roof will be good storage...
|