CSLB Roofing (C-39): Study Guide and Online Practice Exam

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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 a pplies 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 — Try our free practice test 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 What may roofing cut corners be used on?A. Inside corners · B. Angles · C. Outside corners · ✓ D. All of the above What is one of the greatest causes of roofing deterioration?A. Wind · ✓ B. Ultraviolet rays from the sun · C. Rain · D. Air pollution Show more