Discussion Board Forum for Vinyl Windows

The only info I can find on air is .20 scfm /ft2

The numbers I was told to refer to is the DP rating and the NFRC labels that were on the glass. The DP rating for the 7-D windows I have is a DP-50. I had option on what glass I wanted to use. The standard was a .31 U-value and a .36 solar heat gain. This package would have made them energystar wind...

I did some reserch and found out they dont use swiggle in their windows. They told me they use intercept so the windows you seen must have come from someone else or from someone trying to sell against 7-D. They claim their windows test just as good and sometimes better then their competitors. All I ...

Yes, They have been in business for about 18 years. These are some of the best vinyl windows on the market. they have many different series to choose from. They have produced millions of windows. I have these in my house and I love them. Some of my brothers have other vinyl windows in there homes an...