Message Board Thread - "Evaluating Windows"

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Evaluating Windows BIS 10/2/2008
Since windows reflect the IR how do you identify leaks in the frame and heat transfer through the glass?
 
Re:Evaluating Windows jvoitl 10/2/2008
Plain glass is actually a pretty good emitter. The emissivity is in the low .90s, so reflectivity is less than .1. You should be able to measure the emissivity with Scotch 33 electrical tape. As for leaks around the frame, you're looking for anomallies from one area to another on wood, vinyl,coated aluminum or some other material and the glass has no effect.
 
Re:Evaluating Windows musa 1/3/2009
ola por favor me pueden enviar su dirección ya que estoy trabajando en la envolvente de un edificio con peliculas para las ventanas y quisiera tener su opinión
 


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