i have mw freedom vinyl clad windows and have no problems (knock on wood) house finished around 2000, we wanted to use andersen but could not swing them at the time BUT DON'T GET ME STARTED ABOUT PELLAS AT OUR OTHER HOUSE...LEAKING AND ROTTING UNDER THE CLADDING AND SILLS AND WITH "STILL UNDER WARRANTY DATE CODES"...SLIDERS LEAKING AT THE JAMB LEG TO THRESHOLD ON THE STATIONARY FACTORY INSTALLED SIDE...