Understanding terms such as U-factor and Solar Heat Gain Coefficient (SHGC) allows you to compare products objectively. The primary categories focus on blocking solar heat, retaining interior heat, or providing a sealed insulating barrier.
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Hot climates and reducing cooling costs. Additionally, the film adds a layer of security; if the glass shatters, the film holds the fragments together, reducing the risk of injury and deterring break-ins.
Maintaining natural light while adding insulation. Manufacturers typically provide specific metrics that indicate performance.
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SHGC Fraction of solar radiation admitted. Metric What It Measures Ideal For U-Factor Rate of non-solar heat loss.
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