On market for these, did not like Pella's screen on inside of patio doors.

Also I was told by a window dealer who sell both Anderson and Marvin

1. Anderson 400 Frenchwood, vinyl clad jamb(frame?) and vinyl COATED door, they tend to warp because doors are big piece of wood. however I like the look and weight.

2. He recommended Integrity by Marvin, made of fiberglass( what they call Ultex?) both on jamb and doors, hollow construct jamb and door, wood interior trim. light weight. They look pretty good too. My concern is, Has Ultex been tested by time?

3. The better Marvin aluminm clad doors and window cost 40% more than above 2, not necessarily cost effective.

But, since they have completely different design and manufacturing processes, what do you say about the quality of them in term of duability? Installation matters a lot as I know, but I have to get a quality product first.

Opinions from people who sell, install and have longterm experience with them are much appreciated.

Thanks.