“Constructional defect” means a defect in the design, construction, manufacture, repair or landscaping of a new residence, of an alteration of or addition to an existing residence, or of an appurtenance and includes, without limitation, the design, construction, manufacture, repair or landscaping of a new residence, of an alteration of or addition to an existing residence, or of an appurtenance:
1. Which presents an unreasonable risk of injury to a person or property; or
2. Which is not completed in a good and workmanlike manner and proximately causes physical damage to the residence, an appurtenance or the real property to which the residence or appurtenance is affixed.