The interior doors folding options available for interior doors are bi fold doors, suitable for closets and pantries and fro larger door systems for separating a big room into smaller areas and interior French doors.
Bi fold means two doors hinged to each other and then one of the doors hinged to the door frame and folding to one side. If the structural opening is large enough two pairs of bi fold doors could be fitted and meeting in the middle, which is quite often the type fitted to a closet. Sliding folding doors are particularly suitable when space is limited when there is insufficient room for full leaf doors to swing outwards. Internal folding doors especially bi fold doors take less space to open fully compared to full size doors.

Bi folding doors
Closet doors are made in many styles including:
- Door with louvers
- Door with one or multiple flat or raised panels
- Door with tempered mirrors
- Door incorporating decorative tempered glass
- Door with tongue and grooved centre panel
These doors are available in many wood species to choose from including – oak interior doors which are very popular nowadays. Other species include mahogany, pine and white panelled doors. Wood veneer doors can be costly so as inexpensive alternative is white interior doors.

Some fine examples of doors suitable for bi folding
The door sizes are designed to fit into existing door openings and available in 610mm (24”), 686mm (27”) and 762mm (30”) wide and 1981mm (78”) high. The thickness can range between 27mm and 35mm.
Bi fold door are an ideal replacement for sliding doors. With sliding doors on a closet could not be opened all the way and therefore access would be limited. Bi folding doors are easy to open and will give almost 100% access to the space behind. Bi folding sliding doors are easy to install and the hardware needed for the operation of the doors is available in kit form. The kit will include the track from which the doors are hung, the rollers, the hinges that connect all the doors together and the fixings. The heavier the door the smoother the opening operation, as a very light weight doors will have a tendency of shutter when opened. Roller wheeled mechanisms in the track ensure a smooth opening of the doors.

Sample bi fold hardware kit
Bi fold doors though may not be suitable with small children in the home as they may pinch their fingers between the two door panels.

Some examples of bi fold doors in place
For additional information on inexpensive door solutions read cheap interior doors and doors interior options.
Some properties require internal fire doors in accordance with building code. When it comes to this type of door installation, it’s an area you do not want to skimp on.