Jalousie window of the house to increase security and prevent the slats from falling out. They are currently the only jalousie window in the United States certified to withstand a Category 5 Hurricane. Many companies manufactured jalousie windows during the 20th century, and there are multiple surviving examples of advertisements from this period which demonstrate how the windows were marketed to consumers. The advertisements tended to stress how jalousie windows provide ventilation, privacy, rain-proofing, and an extra room in winter. Companies like StormMaster claimed their jalousies provided "winter warmth and summer comfort." Others, like Ludman WindoTite, promoted their product by declaring how
Palladian architecture closed, or merely hinted at in the design by pilasters, and sometimes in very late examples of English Palladianism adapted to become a porte-cochere; in America, the Palladian portico regained its full glory. One house which clearly shows this Palladian-Gibbs influence is Mount Airy, in Richmond County, Virginia, built in 1758–62. At Westover the north and south entrances, made of imported Portland stone, were patterned after a plate in William Salmon's "Palladio Londinensis" (1734). The distinctive feature of Drayton Hall, its two-storey portico, was derived directly from Palladio. The neoclassical presidential mansion, the White House in Washington, was inspired by