How do I find my window frame manufacturer?

Finding the Manufacturer’s Name On Your Window

The easiest way to immediately identify a window is by locating the name of the manufacturer itself on the product. Some companies, like Acorn, Caradco and Hurd, stamp their name on the window hardware—this would generally be on the handles, sash locks or other hardware.

Is Nami a window manufacturer?





We specialize in Fenestration and Building Envelope Products which includes, but not limited to, Windows, Patio Doors, Skylights, Entrance Doors, Sidelights, Transoms, Glazing Wall Systems, Site-Built, Insulating Glass Products, Soffit, Fascia and Building Components.

How do I find out what kind of windows I have?

  1. Click the Start or Windows button (usually in the lower-left corner of your computer screen).
  2. Right-click Computer and choose Properties from the menu. The resulting screen shows the Windows version.
  3. Where is the serial number on a window?

    On double hung windows, this will be located on the inside of the top frame. Other styles of windows may have the number on a label affixed to the sash.

    How do I know if my windows are vinyl or aluminum?

    Aluminum windows are generally thin-framed, so most of the window is the glass pane. On the other hand, vinyl windows usually mimic traditional window frame features, though they come in a wide variety of colors and finishes so you can get a traditional style with a modern color.

    How do you read AAMA labels?

    To locate the manufacturer, look for the Manufacturer’s Code where it says “MFR CODE” or “CODE.” This code can be found below the word “Program”, where is says “AAMA Certification Program.” The code will be a sequence of two or three letters, a hyphen and a number (i.e.; AB-1).

    How can I tell which Marvin windows I have?





    The spacer bar runs along the outside perimeter of the glass. If the product was manufactured by Marvin, the spacer bar will bear an engraving that displays the Marvin name, and the last two digits identify the year of manufacture. The engraving may appear at any point around the perimeter of the glass.