Replacing fiberglass screens on Pella doors

A home owner from Blair Ne says:

date: 06-29-09

I have 3 sliding screens on Pella doors. Can I replace the screens myself. Is there a guide? Tips or techniques? The screen itself is fiberglass and the molding(spline) is beige. How do I know what size of the rubber molding (spline)? Does it need to be replaced as well? Appreciate the help. Shirin

date: 07-01-09

Any type of screen repair takes some skill. The hardest part is keeping the door square, check the diagonal on the screen by taking measurements from corner to corner similar to an X design. On a Pella repair I would try to reuse the same spline, I know of some Pella doors that had a square spline which is hard to match.