"Suburban Construction recently put quality siding and windows on my home. Their work was part of a remodeling project I had done at the same time. They worked very well with the other contractors and... » more
- Rich Toohill 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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