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NASCLA Commercial General Building Contractor Exam Cram Sheet (2026)
The highest-yield points on the NASCLA Commercial General Building Contractorexam, grouped by the exam's real content areas. Print it, review the ones you keep missing, then drill them with free practice questions.
115questions
330 mintime limit
81 of 115to pass
12content areas
Procurement & Contracting Requirements
27% of the exam- What NASCLA is (and is not)
- Bidding documents and the three bonds
- Change orders and retainage
General Requirements
22% of the exam- MasterFormat and submittals
- Scheduling and safety administration
- Substantial completion and closeout
Site Construction
13% of the exam- Excavation safety (OSHA Subpart P)
- Soil classification and stability
- Earthwork and compaction
Concrete
5% of the exam- Estimating concrete volume
- Fresh and hardened concrete testing
Metals
5% of the exam- Structural steel connections
Mechanical & Plumbing
5% of the exam- Backflow and cross-connection control
Wood, Plastics & Composites
4% of the exam- Nominal versus actual lumber dimensions
Thermal & Moisture Protection
4% of the exam- Flashing and the building envelope
Finishes
4% of the exam- Gypsum board finishing
Masonry
3% of the exam- Mortar types (ASTM C270)
Openings (Doors, Windows & Glazing)
3% of the exam- Safety glazing and fire-rated openings
Electrical
3% of the exam- GFCI protection and jobsite power
Now prove you know them
Reading the outline is not the same as recalling it under exam pressure. Drill 24+ free NASCLA Commercial General Building Contractor practice questions to find your weak areas, then sit a full timed mock — no signup, no paywall.
Study aid, not a substitute for the official material — always confirm the current rule with National Association of State Contractors Licensing Agencies (administered by PSI). Last verified: August 2026.