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 villas of the Veneto most of Palladio's surviving villas laid outside the site. That is why in 1996 the site was expanded, hence "City of Vicenza and the Palladian Villas of the Veneto". Its present name reflects the fact that it includes villas designed by Palladio throughout the Veneto. By 1550, Palladio had produced a whole group of villas, whose scale and decoration can be seen as closely matching the wealth and social standing of the owners: the powerful and very rich Pisani, bankers and Venetian patricians, had huge vaults and a loggia façade realised with stone piers and rusticated Doric pilasters; the (briefly)