A Preferred Windows and Doors Company.

AAMA Window and Door Installation Instructions
Milgard replacement and new construction windows and doors comply with and use American Architectural Association's (AAMA) installation instructions. For door and window installation instructions, download a PDF below. (These installation instructions are for review only. Please contact a Window Giants representative if you need a hard copy of the installation instructions.

Nail on/New Construction

  • AAMA 2400-10: Standard Practice for Installation of Windows and Doors with a Mounting Flange in Stud Frame Construction, 1" Nail Fin, 1 3/8" Nail Fin(192K pdf, read only)


  • AAMA 2410-03: Standard Practice for Installation of Windows and Doors with an Exterior Z-Bar Flange, Flush Fin, or Retro Fin over an Existing Window Frame (383K pdf, read only)

Field Installation Instructions for Milgard Vinyl Sliding Glass Doors

  • Sliding Patio Doors - Flush Fin: Step-by-step instructions with picture on how to remove a previous sliding patio door and install new z-bar, retro fin, flush fin sliding patio doors.

Sliding Patio Doors with Mounting Flange Installation:

  • Sliding Patio Doors - Mounting Flange Step-by-step instructions with pictures on installation of a mounting flange sliding patio door in new construction 1" nail fin, 1 3/8" nail fin.