Ridge vents, ridge caps, wall flashing, and chimney flashing are installed as they are required. http://kultura-tonshaevo.ru/sostoyalis/1972-?%3F%3F%3F%3F%3F%3F%3F%3F%3F%3F-%3F%3F%3F%3F%3F%3F%3F,-%3F%3F%3F%3F%3F%3F%3F%3F%3F%3F%3F-%3F%3F%3F-%3F%3F%3F%3F%3F%3F,-%3F%3F%3F%3F%3F%3F-%3F-%3F%3F%3F%3F-
