Okna Picture 400 Series Precision Weld

The OKNA Precision Weld is an excellent value when making the choice to replace windows in your home. The Precision Weld offers clean, modern lines, high-quality craftsmanship, and many options to beautify your home while making it energy efficient. Since all OKNA products are custom-made, you can be sure of a perfect fit which translates to savings on time and labor during installation.

We beat ANY written estimate and offer free estimates with no obligation.


  • Fusion-welded beveled frame for strength and durability.
  • Heatseal® warm edge spacer system for excellent thermal efficiency and a drastic reduction in the possibility of condensation on the inside of the window.
  • Available in a variety of shapes to allow for endless design options.
  • Full 3¼” Depth Welded Mainframe with beveled exterior features curves that have a modern look, as well as allowing for maximum weld surface resulting in strength and years of long-lasting performance.
  • The Picture window comes in a variety of shapes and combinations with other types of windows allowing for endless design ideas.


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