A combination storm and screen door is disclosed comprising an outer and inner frame, each having the entire configuration of a door, and is composed of totally integral molded plastic. Disposed between the frames along the lateral sides and bottom and top of the door are steel reinforcement beams. The upper portion of the door has an opening and the lower portion has a storage cavity, both defined by the outer and inner frames. A storm window and a screen are slidingly positioned within the door to be lowered within the storage cavity when not in use, and to be raised to the opening when in use. Both the window and screen may be removed for cleaning, repair, or replacement. The outer and inner frames are molded, preferably from a blown or porous insulated type plastic material. Weather stripping is provided and other insulation characteristics are included in the door.