What term refers to buildings that do not conform to standard construction types and may incorporate experimental designs?

The term that refers to buildings that do not conform to standard construction types and may incorporate experimental designs is "Nonstandard Construction." This concept encompasses structures that may utilize unconventional materials, unique design approaches, or methods that deviate from typical building practices. Nonstandard construction is often seen in innovative architectural projects or those that aim to address specific functional requirements not met by traditional designs.

This term emphasizes the flexibility and creativity in construction, allowing for a broader range of possibilities that can respond to unique environmental or aesthetic needs. Buildings categorized under this term may also explore new technologies or address sustainability in novel ways, further distinguishing them from standard construction practices.

The other options represent more traditional or specific construction types that do not embody the same level of deviation from norms as nonstandard construction.