When metallic sheeting receives cold it results in a circumstance wherever It truly is colder inside the building than out. To overcome this you will need an insulation that doesn't reduce its thermal safety (like fiberglass) after you will need it most - Cold damp conditions! Our 20ft side opening https://insulated20ftcontainer46789.blogs-service.com/61665853/new-step-by-step-map-for-portable-cold-box