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NASCLA Commercial General Building Contractor Exam Cheat Sheet (2026)
A free, printable NASCLA Commercial General Building Contractor exam cheat sheet: the 19 highest-yield points to know, grouped into 12 sections that follow the exam's content areas, each section with its published weight.
- Free to read, print and keep — no signup, no email, no paywall.
- The real NASCLA Commercial General Building Contractor exam: 115 questions · 330 minutes · 81 of 115 to pass.
- Prints from your browser (Ctrl-P, or Cmd-P on a Mac) — the navigation, buttons and links drop out of the printed copy.
- 24 free NASCLA Commercial General Building Contractor practice questions on the same material, every one explained.
- Last updated: August 2026.
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 an outline is not the same as recalling it under exam pressure. Drill the free NASCLA Commercial General Building Contractor 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 National Association of State Contractors Licensing Agencies (administered by PSI).