What installation tolerances are typically specified for wall finishes and partitions?

• A. Tolerances for plumb, level, alignment, verticality, and flatness; exact values are project-specific.
• B. Tolerances only cover color consistency.
• C. No tolerances are required.
• D. Tolerances for temperature and humidity during install.

Answer: (D)

Installation tolerances for wall finishes and partitions target geometric accuracy in the finished spaces. They specify how far surfaces may deviate from true geometry across key attributes like plumb (vertical alignment), level (horizontal alignment), alignment with adjoining elements, verticality (straightness along height), and flatness of the wall plane. The exact numerical values are project-specific, depending on materials, system requirements, and performance standards. Environmental factors such as temperature and humidity during installation affect work conditions and curing, but they define conditions for work, not the dimensional tolerances of the finished surfaces. Color consistency, while important, describes appearance rather than the dimensional tolerances that govern fit and alignment.