Discussion Board Forum for Vinyl Windows

The company is listed but the specific windows are not. Their brochure says that they are as well as cerified by Keystone Certifications. The window wouldn't get a sticker without it, right?

Windows on Washington wrote:Do they have a CPD# for it?

I don't see it on the NFRC.

What's the CPD# ?

Is anyone familiar with Interstate Windows? We live in SE Virginia and just got a quote on 29 windows. We liked the sample and the contractor but I can't find much about the windows themselves except for the mfg site. Just google interstate building materials. The model we were quoted is the 6400 se...