Jalousie window while keeping out water was deemed unsatisfactory by the study's authors. Jalousie windows also have several other drawbacks. Traditional style jalousie windows offer poor overall resistance to water penetration and drafts and are difficult to positively secure, as their slats are easily and silently removed. In addition to the inability to keep out water, they do not provide a secure barrier to keep air conditioned air inside. Also, the metal parts which make up the windows moving mechanism are prone to corrosion in humid environments, leading to damage such as broken or missing cranks. Jalousie windows are objects of scorn
Palladian architecture yet strictly neoclassical in its chaste ornament and noble austerity." One of the adaptations made to Palladianism in America was that the piano nobile now tended to be placed on the ground floor, rather than above a service floor, as was the tradition in Europe. This service floor, if it existed at all, was now a discreet semi-basement. This negated the need for an ornate external staircase leading to the main entrance as in the more original Palladian designs. This would also be a feature of the neoclassical style that followed Palladianism. The only two houses in the United States—from