1. Head

The main horizontal member which forms the top of the sliding door frame.

2. Sill

The main horizontal member forming the bottom of the sliding door frame.

3. Insulated Glass

A combination of two or more panes of glass with a hermetically sealed air space between them. Milgard patio doors come standard with SunCoat Low-E® coating for added energy efficiency and all around comfort, all year long. Optional argon gas may be used between panes, further improving thermal performance and energy savings.

4. Hardware

Elegant finish hardware tested to standards in excess of California's forced-entry codes, which are the toughest in the nation.

5. Jamb

The patio door frame members forming the top, sides, and bottom of a sliding door frame.