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100+ Free SC Roofing Practice Questions

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2026 Statistics

Key Facts: SC Roofing Exam

65 Q

Official Exam Questions

PSI SC Commercial Contractor CIB updated 5/15/2025

70%

Passing Score

PSI SC Commercial Contractor CIB updated 5/15/2025

3 hours

Time Allowed

PSI SC Commercial Contractor CIB updated 5/15/2025

USD 75

PSI Exam Fee

PSI SC Commercial Contractor CIB updated 5/15/2025

Open Book

Book Policy

PSI SC Commercial Contractor CIB updated 5/15/2025

South Carolina Roofing Contractor Examination is the official CLB/PSI open-book exam: 65 questions, 70% (46 of 65), 3 hours, USD 75 (bulletin updated 5/15/2025). Official delivery is English.

Sample SC Roofing Practice Questions

Try these sample questions to test your SC Roofing exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Under OSHA 1926.501, at what height above a lower level must employees performing roofing work on unprotected sides and edges be protected from falling?
A.4 feet (1.2 m)
B.6 feet (1.8 m)
C.10 feet (3.0 m)
D.15 feet (4.6 m)
Explanation: OSHA 1926.501(b)(10) and (b)(11) require fall protection for roofing work once unprotected sides and edges are 6 feet (1.8 m) or more above a lower level. The 4-foot trigger belongs to general-industry walking-working surfaces (29 CFR 1910), not construction roofing.
2OSHA 1926 Subpart M defines a low-slope roof as a roof having a slope:
A.Less than 2:12
B.Less than 3:12
C.Less than or equal to 4:12
D.Less than or equal to 6:12
Explanation: OSHA 1926.500(b) defines a low-slope roof as a roof having a slope less than or equal to 4 in 12 (vertical to horizontal). A steep roof is any roof steeper than 4:12. That split controls whether warning lines and safety monitors are even allowed.
3When mechanical equipment is not being used, how far from the roof edge must an OSHA warning line be erected for low-slope roofing work?
A.Not less than 6 feet (1.8 m)
B.Not less than 4 feet (1.2 m)
C.Not less than 10 feet (3.1 m)
D.Not less than 15 feet (4.6 m)
Explanation: OSHA 1926.502(f)(1)(i) requires the warning line to be erected not less than 6 feet (1.8 m) from the roof edge when mechanical equipment is not being used. The line must surround all sides of the roof work area and is used only with another system (guardrail, net, PFAS, or safety monitor).
4A built-up crew is running a gravel spreader on a low-slope roof. Under OSHA 1926.502(f), where must the warning line be placed relative to the direction of mechanical-equipment travel?
A.6 feet from every edge, regardless of travel direction
B.10 feet from every edge
C.15 feet from the leading edge and 6 feet from the sides
D.Not less than 6 feet from the edge parallel to travel and not less than 10 feet from the edge perpendicular to travel
Explanation: OSHA 1926.502(f)(1)(ii) increases the setback where mechanical equipment is used: 6 feet from the edge that is parallel to the direction of travel, and 10 feet from the edge that is perpendicular to travel. The extra distance on the perpendicular edge accounts for the chance the machine can run toward the drop.
5On a low-slope roof, OSHA 1926.501(b)(10) permits a safety-monitoring system used alone — without a warning line — only when:
A.The roof pitch is 6:12 or less and no more than eight workers are on the roof
B.The roof is 50 feet (15.25 m) or less in width
C.The building is two stories or less
D.The work is limited to tear-off of existing membrane
Explanation: OSHA 1926.501(b)(10) allows a safety monitoring system alone only on low-slope roofs 50 feet (15.25 m) or less in width. On wider roofs the monitor must be paired with a warning line (or the crew must use guardrails, nets, or PFAS). Appendix A to Subpart M explains how to measure roof width.
6Which set of criteria matches OSHA 1926.502(f) for a warning-line system?
A.Line height 39 to 45 inches, tensile strength 200 pounds, flagged at 10-foot intervals
B.Line height 42 inches plus or minus 3 inches, tensile strength 5,000 pounds, no flagging required
C.Lowest point including sag not less than 34 inches and highest point not more than 39 inches, tensile strength at least 500 pounds, flagged at not more than 6-foot intervals
D.Line height 36 inches, tensile strength 16 pounds, flagged only at corners
Explanation: OSHA 1926.502(f)(2) requires the rope, wire, or chain to sit between 34 inches (lowest point, including sag) and 39 inches (highest point), to have a minimum tensile strength of 500 pounds, and to be flagged at not more than 6-foot intervals with high-visibility material. Stanchions must resist a 16-pound horizontal force without tipping.
7A steep asphalt-shingle roof (8:12) is 28 feet above grade. Which fall-protection arrangement is acceptable under OSHA 1926.501(b)(11)?
A.Guardrail systems with toeboards, safety net systems, or personal fall arrest systems
B.A warning line 6 feet from the eave plus a safety monitor
C.A safety monitor alone, because the roof is less than 50 feet wide
D.A controlled-access zone with caution tape at the rake
Explanation: OSHA 1926.501(b)(11) requires conventional systems on steep roofs (slope greater than 4:12): guardrails with toeboards, safety nets, or personal fall arrest. Warning lines and safety monitors are low-slope roofing options under (b)(10) and are not a substitute on an 8:12 roof.
8Unless a qualified person designs the complete system with a safety factor of at least two, an OSHA personal-fall-arrest anchorage must be capable of supporting at least how much load per attached employee?
A.1,800 pounds (8 kN)
B.5,000 pounds (22.2 kN)
C.3,000 pounds (13.3 kN)
D.200 pounds (890 N)
Explanation: OSHA 1926.502(d)(15) requires PFAS anchorages to support at least 5,000 pounds (22.2 kN) per employee attached, or to be designed as part of a complete system with a safety factor of at least two under a qualified person's supervision. The system must also limit free fall to 6 feet and keep the worker from striking a lower level.
9In roofing takeoff practice, including Atcheson's Roofing Construction and Estimating, one roofing square equals:
A.100 square feet of roof surface
B.10 square feet of roof surface
C.144 square feet of roof surface
D.One bundle of three-tab shingles
Explanation: A roofing square is 100 square feet of roof surface. Material coverage, waste, fastener counts, and BUR mopping rates are all stated per square. A bundle is a packaging unit, not a square; three bundles of standard three-tab shingles typically cover one square.
10A simple gable roof has a rectangular plan of 40 feet by 60 feet and a 6:12 slope. Using the 6:12 slope factor of 1.118, what is the roof surface area before waste?
A.2,400 square feet
B.2,540 square feet
C.2,683 square feet
D.3,394 square feet
Explanation: Plan area is 40 × 60 = 2,400 square feet. Multiply by the 6:12 slope factor: 2,400 × 1.118 = 2,683 square feet. The factor is the hypotenuse of a 6-and-12 right triangle divided by 12 (√(36 + 144) / 12 = 1.118). Do not add waste until after the sloped area is known.

About the SC Roofing Exam

The South Carolina Roofing Contractor Examination is the official CLB classification examination administered by PSI. The official exam has 65 scored questions. Passing is 70% (46 of 65) in 3 hours. The examination is open book. PSI lists USD 75 (Candidate Information Bulletin updated 5/15/2025). This official 65-question technical examination is distinct from the generic sc-roofing-contractor bank that blended trade and business-law items. Candidates must also pass Business Management and Law for Commercial Contractor. This bank is an English-language MCQ study adaptation. It does not replace required trade experience, board approval, or the official examination.

Assessment

Open-book computer-based multiple-choice. Allowed references include Roofing Construction and Estimating (Atcheson, 1995), the 2021 IBC with SC modifications or 2018 SC Building Code, NRCA Steep Slope (2025), NRCA Metal Panel and SPF, NRCA Membrane (2023), NRCA Architectural Metal Flashing (2022), and OSHA 29 CFR 1926.

Time Limit

3 hours

Passing Score

70% (46 of 65)

Exam Fee

USD 75 (PSI Services LLC (for the South Carolina Contractor's Licensing Board))

SC Roofing Exam Content Outline

8%

Safety

Safety (5 items)

12%

Substrate

Roofing - Substrate (8 items)

34%

Steep Slope

Roofing - Steep (22 items)

9%

Metal Panel

Roofing - Metal Panel (6 items)

12%

Metal Flashing

Roofing - Metal Flashing (8 items)

6%

Repairs

Roofing - Repairs (4 items)

9%

Elastomeric

Roofing - Elastomeric (6 items)

9%

Built-up Bituminous

Roofing - Built-up Bituminous (6 items)

How to Pass the SC Roofing Exam

What You Need to Know

  • Passing score: 70% (46 of 65)
  • Assessment: Open-book computer-based multiple-choice. Allowed references include Roofing Construction and Estimating (Atcheson, 1995), the 2021 IBC with SC modifications or 2018 SC Building Code, NRCA Steep Slope (2025), NRCA Metal Panel and SPF, NRCA Membrane (2023), NRCA Architectural Metal Flashing (2022), and OSHA 29 CFR 1926.
  • Time limit: 3 hours
  • Exam fee: USD 75

Keys to Passing

  • Work through all 100 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

SC Roofing Study Tips from Top Performers

1Distribute study time to the official PSI content outline (bulletin updated 5/15/2025)
2Use only the PSI-listed references; temporary tabs such as Post-it notes are prohibited
3Pass Business Management and Law for Commercial Contractor in addition to this technical examination
4This bank is an English-language MCQ study aid, not an official PSI form

Frequently Asked Questions

How many questions are on the South Carolina Roofing Contractor Examination?

The official PSI examination has 65 scored questions. Passing is 70% (46 of 65) within 3 hours (Commercial Contractor Candidate Information Bulletin updated 5/15/2025).

How much does this PSI examination cost?

PSI lists USD 75 for this examination. The South Carolina Contractor's Licensing Board charges a separate USD 350 license application fee for general and mechanical contractor licenses.

Is this examination open book?

Yes. PSI lists the South Carolina commercial contractor examinations as open book. Listed references include the NRCA manuals listed in the bulletin and the 2021 IBC with SC modifications.

How many questions are on the official SC Roofing technical exam?

The official PSI Roofing Examination has 65 scored questions. Passing is 46 of 65 within 3 hours (bulletin updated 5/15/2025).