Series 312 Sliding Patio Door

312 Series
Sliding Patio Door
NNew ConstructionRReplacement

Our most popular sliding patio door model, the 312 is available in widths up to 12′ with a standard height of 6’8″.  The 312 offers the most cosmetic upgrades of any door we offer, with three interior wood laminates and Bronze exterior (all laminates on white doors only).  The 312 is also available in custom sizes.  It’s also available with blinds-between-the-glass and is offered in white, almond and clay.


  • Offered in range of sizes: 5’, 6’, 6’4”, 8’, 9’ and 12’
  • Available in 6’8” heights up to 12’ wide
  • Field reversible (6’8” height only, not available with BBG)
  • Custom sizes available
  • Color matched screen
  • DP 35 Rating (on 5068, 6068 doors only)
  • DP 25 Rating (on 6468, 8068 doors only)
  • Limited Lifetime Warranty


Related Product Videos

Atrium Vinyl Sliding Patio Doors

Atrium Manufacturing Story

Low-E and Argon Gas for Atrium Windows
Available Low-E Glass Packages
Low-E Glass
Low-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 Gas
Argon 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 Gas
Choose 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.
Grid Options
Available Grid Patterns



Prairie/Perimeter - 3-Leg

Available Grid Types

1-1/8" Simulated Divided Lite

1" Contoured

Color Options
Available Vinyl Color Options
Available Aluminum Color Options
Available Laminate Options
Dark Oak
Light Oak
Available Exterior Paint Options
Brick Red
Dark Chocolate
Hunter Green
Device/Monitor screen settings may affect color shown. Please refer to actual window sample when selecting colors. Interior and exterior laminates available on white window only. Only use mild, water based household cleaner on painted product and rinse immediately with water. See full cleaning instructions for details. Grid offering limited to 5/8” contoured or SDL on exterior painted windows.
Decorative Glass Options
Leaded/Star Bevel glass option available on picture windows only and pattern adjusts based on actual window size. Star Bevel background color added for display clarity.
  • 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, 5/8″ contoured valance and distinctive diamond pattern grids available
  • Side lites; transoms & specialty shapes; upgraded, deluxe heavy-duty screen
  • Light and dark shades of oak or cherry interior wood laminate and bronze exterior laminate
  • Oil rubbed bronze, brass or brushed nickel hardware
  • Available in 5′, 6′, 6’4″, 8′, 9′, and 12′ configurations
  • 1-1/8″ Simulated Divided Lite
  • Pet Resistant Screen Mesh
Screens are not meant to restrain a child from falling through an open window.
Frame Specifications
Frame Material:
Vinyl (PVC)
Frame Construction:
Frame Appearance:
Classic streamlined profile
Jamb Depth:
Product Frame:
Removable nail fin
Sill Design:
Component Specifications
Glass Properties:
7/8" insulated single strength
  • Color matched; keyed lock
Screen Frame:
Extruded aluminum
Screen Mesh:
Testing Specifications
Structural Performance:
  • DP 35 (size tested 95" x 80")
Warranty Coverage
Limited lifetime
Glass Breakage Warranty:
Manufacturer reserves the right to substitute components as necessary.

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