A modest 1911 bungalow was transformed by architect Nazim Nice. One of the aspects was to open up ... [+] the small kitchen with this NanaWall, and transition it easily with the 360 square foot deck.

Many people think of operable glass wall systems as being only for very large spaces. However, they are currently being used to open small spaces as well as large spaces, as seen in the photo above.

Glass wall systems made of folding walls offer unobstructed views and daylighting when closed and create a large indoor/outdoor space with fresh air ventilation when open. Some systems have almost invisible tracks in the ceiling or floor. They offer good insulation as well as excellent natural light. 

Folding glass walls are available in various configurations, folding to the left, to the right, or bifold applications that split to fold in two directions. the walls can bifold inward or outward, can stack or be frame-less, and can be visible or disappear into the wall. These walls can be used in interior or exterior spaces, and many manufacturers offer walls that meet high-velocity hurricane zone (HVHZ) requirements. 

Here the glass wall system by Solar Innovations was used on a Mediterranean style home.

Operable glass wall frames are available in a variety of materials, and the glass comes in clear, opaque, frosted, privacy glass, and so on. Some walls are custom made to meet specifications of an individual space; others come in standard sizes. 

These folding glass walls can be used to open up a large length of space in the interior or exterior or they can be used as seen above to open a small kitchen to the outside space.

This Centor Integrated wall system expands the living space to the outdoor living area.

There are a variety of tracks that are available. Ones that are flush with the ground are popular because they are particularly attractive, safer and ADA (Americans with Disabilities Act) compliant.

This folding glass door system by Jeld-Wen expands this kitchen space bringing lots of extra light ... [+] into this kitchen.

Although these operable glass wall systems have been used more frequently for large applications, they are becoming more popular for smaller homes, where people are using these glass walls to expand the space of smaller houses. By seamlessly opening up the wall of a home, the space begins to feel much larger than it actually is.

This glass wall system by Panda Windows and Doors extensively opens the living space adding a large ... [+] amount of light and natural ventilation.