(NKBA) Certified Bathroom Designer (CBD) The CBD exam scrutinizes knowledge of ADA accessibility standards, plumbing codes, and ventilation requirements that vary significantly by jurisdiction. Brush up on universal design principles, cabinet specifications, and how to read construction blueprints. Familiarity with current fixture sizing standards and electrical placement rules will prove essential. Many candidates underestimate the code-heavy sections covering grab bar installation and moisture management—these aren’t afterthoughts but core exam pillars.
| Exam Name | (NKBA) Certified Bathroom Designer |
| Exam Code | CBD |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |
