Weiland Sliding Doors and Windows, Inc. has evolved from a specialty woodworking business to a manufacturer of high precision European doors and windows. With over two decades of experience behind our designs, the company has positioned itself as the forerunner in European door and window products, modified for U.S. applications. In the early 90's, an aluminum and aluminum wood door was introduced using European hardware. Our manufacturing plant has been located in the San Diego area since 1985.