Custom size interior doors are doors whose sizes are not in scale/tally with the convectional standard door sizes in the market as per the measurement system in use; imperial or metric system. This phenomena may require one to be more creative in how he/she handles it since the door itself has to be custom made either by ordering from the manufacturer or hand craft it in the workshop. The need for custom size doors arises due to the following reasons.
The Architect’s design of the interior spaces may have specified a custom door size in order to achieve a certain attribute for example: to show the importance/hierarchy of the space in the house or display a certain architectural style. It may also be used to display some cultural believes or beauty to the room or provide more day lighting and panoramic views to the outside as in case of glass door. This may add the quality and value of space the door opens into and therefore its recommendation by the designer.
The function of the door opening also may require one to have a custom size doors. Different uses of the door opening require different door sizes and therefore some special spaces may require custom doors openings for example plane hangars, motor assembly lines, rocket and aircraft workshops require larger than standard size doors since they are used for access by large items.
The owner of the house may also demand to have custom sized doors in order to meet his or her space requirements. This is taken into consideration by the architect in his/her design and this results to unusual door frame sizes that require custom door sizes. Also special door openings such as emergency exits may have custom sized doors in order to allow fast and efficient allusion of dwellers from a building in case of emergency.