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CSLB C-54 Ceramic and Mosaic Tile (Trade Exam) Exam Cheat Sheet (2026)
A free, printable CSLB C-54 Ceramic and Mosaic Tile (Trade Exam) exam cheat sheet: the 20 highest-yield points to know, grouped into 5 sections that follow the exam's content areas, each section with its published weight.
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- 20 of the 20 points carry a citation to the rule they come from.
- The real CSLB C-54 Ceramic and Mosaic Tile (Trade Exam) exam: 210 minutes.
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- 100 free CSLB C-54 Ceramic and Mosaic Tile (Trade Exam) practice questions on the same material, every one explained.
- Last updated: September 2026.
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Practice stays free. The full CSLB C-54 Ceramic and Mosaic Tile study guide is the material itself, taught start to finish — a downloadable PDF + EPUB you keep.
Planning and Estimating
18% of the exam- Manufacturer's instructions
- Industry guidance treats the manufacturer's written directions as taking precedence over general guidelines.· CTEF, citing ANSI A108
- Walls before floors
- Federal tile specifications do not start floor tile in rooms needing wall tile until the wall tile is installed.· UFGS 09 30 10
- Single source
- Each tile type and color, and each mortar and grout, comes from one source.· UFGS 09 30 10
- Wet DCOF 0.42
- Minimum wet dynamic coefficient of friction for level interior floors walked on wet.· UFGS 09 30 10 (ANSI A137.1)
- Large format
- Tile with an edge 15 inches or longer triggers tighter flatness, joint and offset rules.· ANSI A108.02 via CTEF
- Units
- 144 in² = 1 ft²; 9 ft² = 1 yd²; 27 ft³ = 1 yd³.· NIST Handbook 44, Appendix C
- Shower slope
- Rise = run in feet × 1/4 inch.· Plumbing code slope as described by CTEF
Preparation for Tile and Stone Installation
16% of the exam- RRP
- Certified firm and renovator; Renovate Right pamphlet no more than 60 days before work.· 40 CFR 745 Subpart E
- Flooring removal
- No sanding, no dry sweeping, tiles removed intact, wet scraping.· 8 CCR 1529
- Never flatten with thin-set
- Use a cementitious patch or a primed self-leveling underlayment instead.· CTEF
- Backers in showers
- Cement board, fiber-cement or glass-mat gypsum — not water-resistant gypsum board.· City handouts, 2025 CRC
- Liquid membranes
- Applied to a measured thickness and flood-tested where specified.· VA 09 30 13
Installation and Repairs
33% of the exam- Coverage
- 80% dry interior; 95% wet or exterior; 95% for natural stone everywhere.· ANSI A108.5 via CTEF
- Offsets
- No more than 33% on tile longer than 15 inches unless the manufacturer says otherwise.· ANSI A108.02 via CTEF
- EJ171
- Movement joints are required; the designer shows their locations.· TCNA Handbook via CTEF
- Steam ceilings
- Sloped 2 inches per foot.· TCNA SR613/SR614 via CTEF
Specialty Installations
15% of the exam- Large format glass
- Glass tile larger than 3 × 3 inches.· ANSI A137.2 via CTEF
- Section 5204
- Wet methods, HEPA or wet cleanup, no compressed air or dry sweeping.· 8 CCR 5204
Safety
18% of the exam- Silica
- Action level 25 and PEL 50 μg/m³ (8-hour TWA).· 8 CCR 1532.3
- GFCI
- Required on temporary 120 V, 15/20 A receptacles in use, or an assured grounding program.· 8 CCR 2405.4
Now prove you know them
Reading an outline is not the same as recalling it under exam pressure. Drill the free CSLB C-54 Ceramic and Mosaic Tile (Trade Exam) questions to find the areas you keep missing, then sit a full timed mock.
Study aid, not a substitute for the official material — always confirm the current rule with CSLB — C-54 study guide (13E-54).