Quote Originally Posted by sepiareverb View Post
I generally just dry them, but do mount exhibition prints. Even on dry-mounting the pleats have appeared. I was wondering if newer papers required shorter wet times than those I grew up on.
Nah, that isn't it. I've left FB paper in standing water for multiple days, summarily washed them afterward, dried, and pressed them without issues.

Have you checked the pressure settings on your press? Remember that the lever arm should be 45 degrees with the press loaded with mat board and cold.