A properly ventilated roof may last several years longer than a roof with improperly installed or insufficient ventilation. If you’re investing money in a new roof, you want that roof to last as long as possible. Roof ventilation is one area where investing a few hundred dollars in the beginning can end up saving you thousands of dollars in the long run. Proper roof ventilation is vital in all climates, however the purpose of roof ventilation differs in hot versus cold temper