Put any two or more Spectrum films side by side, read the numbers straight across, and take the chart with you.
Pick the films you're weighing up and this builds the comparison. All 13 shades are here, measured the same way, so the numbers read straight across — which is the whole point of publishing them. The best figure in each row is marked, except visible light transmission, because darker isn't better or worse, it's a choice.
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Select at least two films to build a comparison.
Performance figures are laboratory values measured on the film and calculated for single-pane, nominal 3 mm clear glass. Results on your vehicle or building depend on the glass the film is applied to — ask a Spectrum installer about your specific glazing.
