Atrium Doors

 Sliding Patio Door-Replacement 

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 finishes, Bronze exterior and 8 painted exterior colors(all finishes on white doors only).  The 312 is also available in custom sizes.  The 312 is also available with blinds-between-the-glass and is offered in White, Almond and Clay.


  • All-welded frame and sash corners
  • Field-reversible
  • 7/8" tempered glass panels
  • Design Pressure 35 rating
  • Color match handle with keyed lock
  • Screen included
  • Tandem cadmium plated rollers
  • Removable nail fin for replacement applications
  • Limited Lifetime Warranty

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