I would like to noiseproof my den. In a previous house I did this by
installing aluminum dual tracks around the inside perimeter of the existing
window opening and by then inserting a sliding window panel in each track.
In effect, this provides dual-pane windows for noise control.
Does anyone know where I can buy this system, or something similar, in the
South-Western US? I tried local glass shops in San Diego without luck.
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