Need to increase the “U” Value of your windows? The Glass Detective discusses how this could be achieved with window film. See more here and learn how to increase your glass’s “U” Value.

Question:  Glass Detective, Can you tell me how to calculate the “R Value” for a piece of glass based on its “U-Value”? I have an issue with a building inspector in my town based on energy codes, and my wall area must achieve a certain overall “R-Value” for me to get a certificate of occupancy […]