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 for his own beloved Monticello, the James Barbour Barboursville estate, Virginia State Capitol, and the University of Virginia were based on drawings from Palladio's book. Realizing the powerful political significance pertaining to ancient Roman buildings, Jefferson designed his civic buildings in the Palladian style. Monticello (remodelled between 1796 and 1808) is quite clearly based on Palladio's Villa Capra, however, with modifications, in a style which is described in America today as Colonial Georgian. Jefferson's Pantheon, or Rotunda, at the University of Virginia is undeniably Palladian in concept and style. In Virginia and Carolina, the Palladian manner is epitomised in numerous