Discussion Board Forum for Vinyl Windows

I ment that both sliders have a u value of .27 and shgc of .25 or .27

Window world is the classic style solar zone and other is the kingsroyal soft lite low e glass standard size. I don't have specs other than those. There aware only two companies in town and one is Windows world and the other deals with soft light.

I am going to be replacing the patio door my house has from the 70's. The two options that the companies in town have besides do it yourself are the Window world company and then kingsroyal soft lite. The price difference between the two is almost 1000 and that's if there are no issues. Is the soft ...