DISCONTINUED: Ultra Tuff 5300 Aluminum Picture Windows

Ideal for both commercial and residential projects where "Ultra Tuff" strength is needed, these windows add comfort to aluminum through an innovative thermal break. Thermal breaks, or thermal struts, reduce the transfer of hot and cold weather through the metal of the window, reducing loads on air systems and saving money on utility bills.


  • Replacement window style or new construction style with nailing fins
  • 3 1/4" master frame
  • Innovative polyamide thermal break/strut
  • True .062" wall thickness
  • Built from American aluminum
  • 7/8" Warm Edge insulated glass - Low-E with argon and other high performance glass options also available
  • Marine barrier seal to keep glass from touching the frame
  • Baked enamel painted finish - no maintenance needed
  • Custom sizes
  • Dual fin seal weather stripping

Exterior Color*:

Interior Color*:

Glass Options:

Grids - Decorative muntin bars between the panes of glass:*

Make your room look even more vibrant by adding grids to your windows. As the sunlight washes through your windows you will be left with beautiful additional patterns in the shadows that the grids produce.

V-Groove Glass - Lang "Groovy Glass" - Decorative etched glass:*

Add elegant etching to your glass. V-grooves are precisely machine cut, and give your windows a refined look both inside and out without blocking light.






*Colors shown are computer reproductions and may not be 100% accurate.
For grids and v-groove, size of window will dictate pattern and appearance.
All product and hardware styles are subject to change.

This product is not available in all areas of the country.