Source The process of buying a door includes many different aspects. Before purchasing a door, people must make up their minds about things like door design, door type, and functionality type. After figuring out all the things, the second to last step of door buying is familiar with standard sizes of manufactured doors. There are unlimited possibilities of dimension variation, but unfortunately, manufacturers cannot mass produce them all. Door manufacturing companies hold extensive studies to find out which doors and dimensions are in demand, after which they move towards the creation and production phase. Exterior Exterior doors are an essential door type as any home would be incomplete without them. This door type is always in demand, and because of that, they can be found easily in the market in different sizes. This door type’s most common size is eighty inches by thirty-six inches, which translates to six foot eight inches by three-foot. Some popular exterior door types are ...