CSLB General Building (B): Framing and Structural Components
Section 2 of CSLB’s General Building (B) study guide · about 20% of the exam
110 questions across every section on the 3½-hour clock, with a score for framing and structural so you know where you stand.
Free framing and structural drillWhen framing a double top plate on a stud wall, what is the minimum offset required between end joints in the upper and lower plates?
Framing and Structural Components on the General Building (B) exam
Floor, wall and roof framing, seismic hardware, siding and stucco, decks and stairs.
- Share of the exam
- About 20% (CSLB study guide); 22 of the 110 questions in our practice exam
- CSLB’s topics
- Subfloor and wall framing · Roof framing · Seismic hardware requirements and installation · Siding and stucco · Decks and stairs
- Our drill
- 10 questions from 76 framing and structural questions, untimed, an explanation after every answer; one free attempt, unlimited with a pass

What framing and structural questions test
- Floor and wall framing: joists, studs, headers, plates, blocking and bracing, and framing around openings
- Roof framing: rafters, ridge boards and ridge beams, trusses, slope and rafter-length calculations
- Seismic hardware: anchor bolts, hold-downs, straps and shear walls, and where each goes
- Siding and stucco: weather-resistive barriers, flashing and the stucco coats
- Decks and stairs: ledger attachment, guards and handrails, and stair riser and tread limits in the California Residential Code
Sit the full exam under the real clock
110 questions across every section on the 3½-hour clock, with a score for framing and structural so you know where you stand.
Free framing and structural drillHow to study it
- Learn framing members by what load they carry and where it goes next.
- Work rafter-length and stair-layout calculations with the Pythagorean theorem until you can do them without notes.
Common questions
How much of the B exam is framing?
About 20% in CSLB’s study guide: subfloor and wall framing, roof framing, seismic hardware, siding and stucco, and decks and stairs.
Does the B exam test seismic requirements?
Yes. Seismic hardware requirements and installation is one of the five framing topics CSLB lists: anchor bolts, hold-downs, straps and shear walls.
110 questions across every section on the 3½-hour clock, with a score for framing and structural so you know where you stand.
Free framing and structural drillThe other General Building (B) sections
Section topics and weight from CSLB study guide: General Building (B) (13E-B, 03-2026), checked November 2026.
Original independent practice questions written to CSLB’s published study guide outline. Not affiliated with or endorsed by the Contractors State License Board (CSLB) or PSI.