Common door type materials include wood, steel, fiberglass, and aluminum. Exterior door types include entry doors, patio doors, storm doors, french patio doors, and sliding glass doors. Interior door types include hollow core, solid wood, louvered doors, glass doors, bi fold doors, french doors, sliding barn doors, pocket doors, dutch doors, and accordion doors. Things to keep in mind when replacing your doors are getting precise measurements of actual door as well as frame and width of frame. Choosing a style and type that fits your budget is another main point that needs to be taken into consideration. Pick the right material for your particular installation type. Think about replacing the handle kit entirely. Pick a professional contractor to have your new doors installed. Regard your new doors as an investment to your property.