Window Quilt®'s R-factor of 5.8 is excellent. Window Quilt® products seal the window off on all four sides so they are great where there is a lot of air infiltration. Under extreme cold, with leaky windows, you cannot beat Window Quilt.® Window Quilt® has five layers bonded together to block air infiltration and temperature penetration. Window Quilt has been proven to cut heat loss up to 81% and solar heat gain up to 86%. Window Quilt® adapts to any decorating scheme. It has a neat, clean appearance. It is available in many designer colors to match any room decor. Window Quilt® fits neatly behind existing draperies or blinds. Used by itself, it can create a bold statement or a low-key look depending on the the color chosen for the shades.
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