With an area of 151,563 square kilometres (58,519 sq mi), it is the nation's third-largest state. It comprises 38 municipalities (municipios). In 2010, Coahuila's population is 2,748,391 inhabitants. The five largest cities in Coahuila are the state capital city of Saltillo; the second largest is TorreÃ³n, third largest is Monclova (a former state capital), fourth largest is Ciudad AcuÃ±a, and fifth largest is Piedras Negras
Quick Answer. Opened oil-based paint can last for up to 15 years if sealed correctly. Latex paint can last up to 10 years.
Choose the best quality paint you can afford; it lasts longer. 1  Experts estimate that the outside of a house should be painted every 5-7 years, but less-expensive paint may start peeling or fading in 4 years or less while really high-quality paint will hold up a bit longer.