Discussion Board Forum for Vinyl Windows

Thanks for the input. He actually did mention their windows have a DP (Design Pressure) rating of 50. When I asked about air infiltration he referred to that number again. That's one of the things that bugged me, I realize a DP of 50 is really good, but I have nothing to verify it, and he didn't giv...

Hello, I am looking for advice from anyone that knows or has had experience with ALCO Windows in Philadelphia. They've given me the best quote at $3500 for 8 windows (Platinum 7000 Series). Everything sounds good and they have really good consistent reviews on Angie's List. Also this is the ratings ...