PSI - New Mexico GS-21 Roofing

PSI - New Mexico GS-21 Roofing Online Home Study Course

Our Online Home Study Course includes:  

There are 60 questions in this examination. You will need to answer 45 questions correctly in order to pass. You are allowed 2½ hours to complete this examination.

NOTE: All Specialty Roofing - Commercial Contractor candidates are required to pass the Business Management and Law for Contractors Examination and the GS-21 Roofing Examination.

The Online Home Study Course includes:  

• How to take this course video
• How to register for the exam(s)
• The 6 segments of test-taking techniques  
• List of required reference books for your exam and when they update
•  Practice Exams with hundreds of practice questions and answers page numbers & solutions 
• 1-year access to online course and a live instructor (discounts on extensions)
• Access to an instructor via Phone call, Text message, Zoom, or email.
• Tab and highlight locations for all the books to show you what is important to study.

Content Outline

Subject Area                                 # of Items                                                                          Estimating and Plan Reading             13                                                                            Surface Preparation and Planning     10                                                                            Steep and Low Slope Roofing            34                                                                                  Roofing Components                         11                                                                                Safety                                                   7

Specialty Roofing Reference Books

• International Building Code, 2021
• International Residential Code for One- and Two-Family Dwellings, 2021
• Roofing Construction and Estimating, Daniel Atcheson, 1995
• NRCA Roofing Manual: Steep Slope Roof Systems, 2021 (Starting 7/24/2025 the 2025 version can be used. As of 11/1/2025 the 2021 version will no longer be allowed)
• NRCA Roofing Manual: Membrane Roofing Systems, 2023
• Code of Federal Regulations - 29 CFR Part 1926 (OSHA), with latest available amendments
• New Mexico Commercial Building Code (NMAC 14.7.2), 2021
• New Mexico Residential Building Code (NMAC 14.7.3), 2021
• Concrete and Clay Tile Installation Manual, 2015 Tile Roof Institute

Candidate Information Bulletin