CALIFORNIA ROOFING CONTRACTOR (C-39) EXAMINATION ACTUAL EXAM COMPLETE QUESTIONS AND DETAILED SOLUTIONS LATEST UPDATE THIS YEAR JUST RELEASED

CALIFORNIA ROOFING CONTRACTOR (C-39)
EXAMINATION ACTUAL EXAM COMPLETE
QUESTIONS AND DETAILED SOLUTIONS
LATEST UPDATE THIS YEAR JUST RELEASED



California Roofing Contractor Examination (C-39) –
The California Roofing Contractor Examination is
required for applicants seeking the C-39 Roofing
Contractor license through the California Contractors
State License Board. The exam evaluates a candidate's
ability to safely plan, estimate, supervise, install, repair,
maintain, and manage roofing projects in compliance with
California laws, building codes, safety regulations,
contract requirements, and accepted roofing industry
practices.
Exam Coverage
Roof deck preparation and evaluation
 Roofing safety requirements and fall protection
 Personal protective equipment and jobsite safety
 Roofing tools, equipment, and maintenance
 Roofing materials identification and selection

, Built-up roofing systems
 Modified bitumen roofing systems
 Single-ply membrane roofing systems
 Spray polyurethane foam roofing
 Metal roofing systems
 Tile roofing systems
 Shingle roofing systems
 Slate roofing systems
 Roof drainage systems
 Flashing installation and repair
 Waterproofing principles
 Moisture control and ventilation
 Roof insulation systems
 Roof coatings and restoration
 Roofing estimates and bidding
 Material quantity calculations
 Reading plans and specifications
 Building code compliance
 Roofing repairs and maintenance
 Leak detection and troubleshooting

,  Project planning and scheduling
 Quality control procedures
 Environmental regulations
 Hazard communication requirements
 Equipment operation and inspection
 Customer relations and documentation
 Contract administration
 Subcontractor coordination
 Inspection procedures
 Wind uplift considerations
 Fire-resistance requirements
 Energy efficiency requirements
 Roof penetrations and accessories
 Weather impacts on roofing installation
 Construction mathematics
 Roofing project supervision


Question 1
A roofing contractor notices deteriorated roof decking
beneath an existing shingle roof during a replacement

, project. What should be done before installing new roofing
materials?
A. Install shingles directly over damaged decking
B. Cover defects with underlayment only
C. Replace or repair damaged decking before proceeding
D. Add extra fasteners through defective decking
Answer: C
Rationale: Sound decking provides structural support and
proper fastening. Roofing materials should not be installed
over deteriorated substrates.


Question 2
During a steep-slope roofing project, workers are exposed
to potential falls exceeding regulatory thresholds. Which
control should be implemented first?
A. Ignore the hazard if workers are experienced
B. Implement approved fall-protection systems
C. Increase production speed
D. Use longer ladders only
Answer: B
Rationale: Fall protection is a primary safety requirement
and significantly reduces injury risk during roofing
operations.