The minimum width for a shower opening (or access and egress opening) should be at least what measurement?

The minimum width for a shower opening, which is essential for access and egress, is established at 22 inches. This requirement ensures that individuals can comfortably enter and exit the shower without obstruction, promoting safety and accessibility, especially for those with mobility challenges.

A narrower opening, such as 20 inches, could restrict movement and make it difficult for anyone to use the shower properly, while widths greater than 22 inches would be unnecessary in standard designs. Thus, 22 inches strikes a balance between ease of access and practical design considerations, aligning with common building codes and safety standards pertaining to bathroom fixtures.