A sliding glass door is a type of patio door that slides on a series of rollers located inside a track. In most cases, sliding glass doors feature two, three, or four panels. They typically open on to a patio, porch, or deck.

Yes. Sliding glass doors are available in numerous sizes. Most manufacturers offer sliding doors in two-panel, three-panel, and four-panel configurations. And if you want to purchase a larger model than you currently have, your home can be retrofitted to accommodate a larger door. 

Indeed. In recent years, many manufacturers have introduced “moving glass walls” to their envelope of products. These extra large sliding doors offer amazing views and bring added sunlight into the homeowner’s living space.

No. Sliding doors are designed to glide on a series of rollers, making it relatively easy to open and shut them. Plus, because they open and close, they’re easy to clean.

Today’s sliding glass doors are available with many of the energy-efficient features that have become standard in the fenestration industry. Manufacturers offer sliding glass doors – even four-panel versions and “moving glass walls” – with warm-edge spacer systems, gas between the panes, Low-E glass, etc.