What term describes the process by which a finished product may release fumes over time?

The term that describes the process by which a finished product may release fumes over time is known as off-gassing. This phenomenon occurs when volatile organic compounds (VOCs) or other chemicals are released from materials, such as furniture, building materials, or carpets, after they have been manufactured. These emissions can happen over a period ranging from days to years, contributing to indoor air pollution and potentially affecting health.

Off-gassing is commonly associated with various materials used in residential interiors, including adhesives, paints, and varnishes, which can emit harmful substances into living spaces. Recognizing off-gassing is crucial for interior designers as it informs choices about materials and products used in residential spaces, emphasizing the importance of ventilation and air quality in design considerations.

The other terms presented may relate to similar concepts of gas release but do not precisely capture the ongoing nature or the specific context of VOC emissions found in off-gassing. For instance, outgassing generally refers to the release of gas that has been previously absorbed or adsorbed, while vapor release and fume evolution may not specifically address the long-term emissions associated with household products.