With the strength of aluminum and the energy ratings of vinyl comes the thermally broken 9020 fixed window. Available in multiple shapes and sizes all while earning a high performance rating on high impact and non-impact certifications. Match this superior window with some of our thermally broken products. Matching rails are available for continuous sightlines, or choose mulled glass panes within one continuous frame. If you are trying to achieve durability and longevity in a high performance window, then look no further.