How do you keep a shipping container from getting damp?
Placing a couple of large silica gel bags inside a shipping container can effectively reduce moisture from the interior and control the dew point temperature. Desiccant blankets are also ideal for protecting goods against condensation.
How waterproof are storage containers?
This is mostly done on the decks of large vessels. Because the decks of the ships are exposed to the elements, containers are equipped with heavy-duty rubber door seals that keep water and wind out. So yes, shipping containers are watertight.4 sept 2017