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CSLB C-9 Drywall (Trade Exam) exam topics — the 5 content areas by weight
The CSLB C-9 Drywall (Trade Exam) exam is built from 5 weighted content areas. Focus your time where the weight is. Each area below links to a free study chapter and practice questions. These weights are how PrepPass has organized the material, not a figure published by the exam authority.
Planning and Estimating
18%Preparation, Framing, and Layout
14%Installation and Repair
32%Finishing
17%Safety
19%Ready to test yourself?
Drill 100+ free CSLB C-9 Drywall (Trade Exam) practice questions across every content area, then sit a full timed mock exam — no signup required.
Content-area weights are PrepPass’s own organization of the material. Where CSLB C-9 Drywall (Trade Exam) publishes an official outline, check it directly. Confirm current details with CSLB — C-9 study guide (13E-9). Study aid, not a substitute for the official material. Last updated: August 2026.