Kentucky Journeyman Plumbing Practice Test 2026 – Complete Exam Prep

In toilet rooms you need a floor that resists moisture and is easy to clean. Wet areas are prone to water penetration, staining, and microbial growth, so using a non-absorbent surface prevents water from soaking in, reduces maintenance problems, and makes sanitization more effective. Absorbent materials would take in moisture, leading to damage and hygiene issues, and wood is especially unsuitable due to rot and swelling. While a concrete finish can be non-absorbent if properly sealed, the general requirement is to use non-absorbent materials to ensure a sanitary, durable floor.