Promo pricing through September 30, 2026.
What this book covers
The Peerless Drywall (C-9) Study Guide Book prepares you for the trade portion of the California CSLB contractor license exam. Per the state's classification, a C-9 contractor "installs, tapes, textures, and finishes drywall, gypsum board, and other similar rigid wallboard." This printed book covers the subjects the state tests. See the official CSLB C9 classification.
Book chapters
Sample questions — Try our free practice test
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