Massachusetts Unrestricted Construction Supervisor License Practice Test 2025 - Free Construction Supervisor Practice Questions and Study Guide

The minimum required height for a nonabsorbent wall surface in a shower compartment is set at 6 feet. This standard ensures that users are protected from water splashes and moisture, which can lead to issues such as mold and structural damage if walls are not adequately lined. The 6-foot height provides sufficient coverage for most showering scenarios, accommodating users of varying heights and typical shower activities.

Other options propose taller heights, which, while they may provide additional protection in certain designs, are not mandated by the code for the minimum requirement in a typical two-family dwelling. Understanding this specification is crucial for ensuring compliance with local building codes and creating a safe, functional space in bathroom design.