"I had my siding, windows and doors done by Suburban because of their superior price and quality - compared to the others I got estimates from. I also found Suburban to be courteous, dependable, neat ... » more
- Lil Larson of Davenport, Iowa


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Visible transmittance (VT)

The percentage or fraction of the visible spectrum (380 to 720 nanometers) weighted by the sensitivity of the eye that is transmitted through the glazing.

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