Model 311 Sliding Patio Door
Economically positioned, the 311 sliding door offers all the functionality of the 312 without the cosmetic upgrades. Offered in white only, the 311 comes standard with a locking handle, optional screen door and is available in 5068, 6068 or 6468 sizes.
- All-welded frame and sash corners
- 7/8″ tempered glass panels
- DP 35 (size tested 71″ x 80″)
- White enamel handle with lock
- Screen optional
- Tandem cadmium plated rollers
- Removable nail fin for replacement applications
Low-E GlassLow-E glass is coated with a microscopic layer of silver that reflects radiant solar energy while permitting visible light to pass through the glass, providing more comfort and lower energy costs.
Low-E Glass + Argon GasArgon gas works like an insulating blanket between two panes of glass to further improve thermal eciency and decrease outside sound levels.
Ultra Low-E Glass + Argon GasChoose our ultimate glass package for optimal energy efficiency and maximum cost savings. Ultra Low-E glass offers three invisible layers of silver coating in addition to the superior thermal performance of argon gas.
Available Grid Patterns
Prairie/Perimeter - 3-Leg
Available Grid Types
Available Vinyl Color Options
Available Aluminum Color Options
Available Laminate Options
Available Exterior Paint Options
- Low-E Glass
- Low-E Glass + Argon Gas
- Ultra Low-E Glass + Argon Gas (May be required for Energy Star rating)
- 5/8″ or 3/4″ flat, 5/8″ or 1″ contoured grids available
- DP 35 (size tested 71" x 80")