Roofing (C-39) Study Guide Book + Online Practice Exam

What’s included

• Learn the material: Roofing (C-39) Study Guide Book
• Pass the test: Roofing (C-39) Practice Exam

What this covers

Per the state's classification, a C-39 contractor applies all types of roofing, waterproofing, and weatherproofing materials to buildings and structures. This printed book covers the subjects the state tests. See the official CSLB C-39 classification.

Sample questions

1. The slope of a built-up asphalt roof should not exceed what pitch when aggregate is applied?
   A. 6/12 · B. 4/12 · ✓ C. 3/12 · D. 1/12
2. What may roofing cut corners be used on?
   A. Inside corners · B. Angles · C. Outside corners · ✓ D. All of the above
3. What is one of the greatest causes of roofing deterioration?
   A. Wind · ✓ B. Ultraviolet rays from the sun · C. Rain · D. Air pollution