Does window film block sun?

Block UV Rays. 3M™ Window Films are designed to reduce fading from the sun, allowing you to preserve your investment in home furnishings, paintings, rugs, pictures, wallpaper, fabric or wood floorings. 3M™ Window Film blocks up to 99% of UV rays, the single largest cause of fading.Click to see full answer. In this way, does window film help reduce heat? Reflective films prevent viewing out at night. It has been proven that the higher quality films block up to 79% of the solar heat, reduce glare up to 83%, block 99% of UV rays and reduce heat loss in winter by up to 30% (low E films).Similarly, does privacy glass stop sun? Privacy glass doesn’t stop the sun – unless you want it to! Applying window film to glass for privacy can be achieved in a number of different ways, with each choice highly effective and long-lasting. Herein, what can I put on a window to block the sun? By completely covering your windows with aluminum foil, you will not only block the sun, but the aluminum foil will reflect the sun and lower your cooling bills. When putting aluminum foil on your windows, you will need to tape the foil in place with the shiny side facing out.Can you put window film on the outside?Yes, you can put films on the outside surface of the glass. Keep in mind that window films are generally installed on the inside to protect them from the elements. For this reason, manufacturers have taken steps to improve the overall performance, esthetics, and longevity of exterior window films.

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