We built a new home in 2002 using Andersen 400, green, vinyl clad, double hung windows. We recently noticed large openings, some in excess of 1/4", in the corners both top and bottom on the exterior frames where the vinyl appears to have opened up (pics attached). This has occurred on all 29 series 400 windows. A neighbor who has Andersen green, vinyl clad windows recently showed me where many of his frames are "spongy" at the bottom from apparent rotting. The windows also started fading right away (after I was assured by Andersen that they wouldn't). After 9 years the fading is significant. Their solution was they would paint them. I bought vinyl clad so I wouldn't have to paint, so I have delayed any decision. Anyway, these problems are not good signs for "maintenance-free" windows. I contacted Andersen by email and we'll see how long it takes to get the right attention. Anyone out there with similar problems??