This study analyzes the sales and profit potential of metal, wood, and vinyl windows. Evaluates the $7.1 billion U.S. window industry; provides data and insights on U.S. factory shipments, end-use markets, factors affecting domestic demand, international trade, the industry cost structure, and the competitive environment. Covers inroads made by vinyl windows. Provides background on 43 worldwide window manufacturers. In addition, this profile looks at the Canadian window industry.