What can grounds condensation to build up surrounded by storage room? ...
Answers: . . . . .or too much air flow. . . . . through the walls.Where is the room? What are the walls made out of? Are at hand any doors and/or windows?
What is simply happening more time than none is space heater air is cause air jam-packed with sea (usually colder) to condense. You have to find where on earth it's coming from and stop it.
no air flow