What are Storm Doors?

Those hearty souls who live in northerly climes undoubtedly already know what storm doors are, but those people who live in more temperate regions may not. A storm door is an additional exterior door that is installed over the door built into the house. The purpose of a storm door is to act as insulation by trapping a layer of air between the regular door and the storm door. Adding a storm door may save energy because of its insulating qualities and also because a tight fitting seal on a storm door will cut down on air leakage. Storm doors are available as solid doors, or as doors with glass panels for visibility. Some of the versions with glass windows also include slide in screens; the glass can be exchanged for the screen during the summer months, creating a screen door. The storm doors with glass panels are not appropriate for use with doors made of certain types of materials, however. While the sunlight allowed through the glass can be beneficial by providing light and warmth to ...  more