Decks and Pergolas blur the lines between the indoors and outdoors. They offer a place to sit and socialize outside with family and friends, yet they still serve as part of the house.Decks and Pergolas blur the lines between the indoors and outdoors. They offer a place to sit and socialize outside with family and friends, yet they still serve as part of the house.Decks and Pergolas blur the lines between the indoors and outdoors. They offer a place to sit and socialize outside with family and friends, yet they still serve as part of the house.