(NCMA) Certified Retaining Wall Installer (CRWI) The CRWI exam spans 150 questions split across four sections, each targeting distinct competency areas materials science, installation techniques, structural design principles, and site assessment. you’ll get hands-on with scenario-based items alongside multiple-choice questions, ensuring you can apply knowledge to real jobsite conditions. Proctored testing takes roughly three hours.
| Exam Name | (NCMA) Certified Retaining Wall Installer |
| Exam Code | CRWI |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |
