Hello, If the window looks like sandwich, a piece of glass( VLT1) , air gap, another piece of glass(VLT2) , how to define the VLT of that window? Can we use VLT1 x VLT2 as the window's VLT? Thanks

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TODD REED

Energy Program Specialist

PA DMVA

LEEDuser Expert

626 thumbs up

Wed, 06/01/2011 - 16:32

Diana, The manufacturers data will provide the VLT of the Window. Depending on how the unit is built, such as thickness of glass one, location of any films or coatings, and the thickness of glass two, will determine the center of glass VLTs.

Eddy Santosa

Director of Sustainability

DBR Engineering Consultants

LEEDuser Basic Member

244 thumbs up

Tue, 06/07/2011 - 18:10

Diana, you can also use Window6 software to calculate by inputting each glass type and the thickness of the gap.

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