South Carolina Roofing

South Carolina Roofing Contractor Exam: Complete 2026 Study Guide

Passing the South Carolina Roofing contractor exam is the central requirement for obtaining a commercial roofing license in the state. The exam covers eight technical topic areas drawn directly from current industry standards and OSHA regulations — and with 65 scored questions in 180 minutes, there is enough time to work carefully if you have prepared systematically. This guide covers exam structure, topic weights, allowed references, sample questions, and study strategies to help you reach the 70% passing threshold with a reliable margin.

Exam Overview: Format, Time, and Passing Score

The South Carolina Roofing examination contains 65 scored questions and allows 180 minutes (3 hours) for completion. To pass, you must answer 46 of 65 questions correctly, which equals 70%.

The exam is administered by PSI. It is an open-book exam — you may bring the approved reference books, which may be highlighted, underlined, and indexed, but must be otherwise unmarked and cannot contain loose or attached papers.

You must pass two exams to qualify for a South Carolina commercial roofing contractor license: the Roofing Examination and the Business Management and Law for Contractors Examination. Schedule both with enough preparation time between them.

For complete registration details and testing center locations, see the official exam bulletin. Licensing requirements are administered through the state licensing website.

Exam Topics and Weights

The eight topic areas below are listed in order of their weight on the real exam. Allocate study time accordingly.

Roofing – Steep (22 items)

The single largest topic — nearly one-third of the exam. Covers asphalt shingle types and ratings (UL/ASTM fire and wind classifications), minimum slopes by covering material, underlayment selection and configuration, flashing and construction details (valley, eave, drip edge, step, counter, cricket/saddle), and clay and concrete tile profiles and attachment methods.

Roofing – Substrate (8 items)

Decking materials (plywood, OSB, steel, structural concrete, lightweight insulating concrete, cementitious wood fiber), panel grading and minimum thickness by rafter spacing, dead and live load requirements, deflection limits, fastener withdrawal resistance, and pre-installation inspection standards.

Roofing – Metal Flashing (8 items)

Flashing metal types and properties, dissimilar metals and galvanic corrosion prevention, thermal expansion and contraction, protective coatings (fluoropolymer, anodizing, siliconized polyester), and metal thickness/gauge requirements by application and roof type.

Roofing – Elastomeric (6 items)

EPDM membrane types and installation methods (loosely laid, fully adhered, mechanically fastened), thermoplastic single-ply types (PVC, CPE, CSPE) and welding methods, liquid-applied systems, ballast and attachment systems, and flashing details for membrane systems.

Roofing – Built-up Bituminous (6 items)

Bitumen types and properties (asphalt grades I–IV, coal-tar pitch, EVT, flash point, application temperatures), ply sheet standards, membrane configurations, substrate compatibility by deck type, and surfacing types including aggregate flood coat and cap sheet.

Roofing – Metal Panel (6 items)

Architectural vs. structural panel classifications and minimum slope requirements, metal types and corrosion resistance, panel profiles and seam types (standing seam, flat seam, batten seam, snap-lock), fastener compatibility, and underlayment for architectural systems.

Safety (5 items)

Fall protection for low-slope and steep roofs, personal fall arrest system components and inspection criteria, guardrail specifications, warning line systems, safety monitoring systems, and scaffold safety requirements. Referenced to OSHA 29 CFR 1926.

Roofing Repairs (4 items)

Leak detection and diagnosis, re-cover vs. replacement decisions, material-specific repair techniques (shingles, slate, tile, metal, membrane, SPF), flashing repair and replacement, and deck inspection and repair.

Sample Questions

These questions are representative of the SC roofing license practice test format and difficulty level. Work through them and see how you do — then check your understanding with the full set.

Question 1 — Roofing – Steep (Medium)
What is the minimum slope for installing standard (non-self-sealing) 3-tab strip asphalt shingles?
- A) 4 in 12
- B) 2 in 12
- C) 5 in 12
- D) 3 in 12

Question 2 — Safety (Medium)
On a low-slope roof that is 50 feet or less in width, which fall protection method is permitted to be used alone, without a warning line system, for employees engaged in roofing activities with unprotected sides and edges 6 feet or more above lower levels?
- A) Controlled access zone
- B) Personal fall arrest system
- C) Guardrail system
- D) Safety monitoring system

Question 3 — Roofing – Substrate (Hard)
You are reviewing specifications for a commercial re-roofing project. The wood structural panel sheathing has a span rating of 32/16 and its strength axis is perpendicular to supports spaced continuously over two or more spans. With edge support provided, what is the maximum allowable roof span for this panel?
- A) 32 inches
- B) 28 inches
- C) 36 inches
- D) 24 inches

Question 4 — Roofing – Elastomeric (Medium)
When installing a mechanically attached single-ply membrane roof system, a peel-stop batten bar is installed as independent membrane securement near the roof edge. What is the minimum width of the stripping membrane used to cover the batten bar?
- A) 10 inches
- B) 6 inches
- C) 4 inches
- D) 8 inches

Question 5 — Safety (Medium)
Employees using hand and power tools who are exposed to hazards such as falling, flying, or abrasive objects, or harmful dusts, fumes, mists, vapors, or gases must be provided with appropriate personal protective equipment. That PPE must meet the requirements of which OSHA construction subparts?
- A) Subparts D and E
- B) Subparts E and F
- C) Subparts C and D
- D) Subparts E and K

Not sure on any of these? Take our free practice exam to get 10 questions drawn from the real topic pool — no account required.

What Types of Questions to Expect

Here is a breakdown of the question types in each topic, along with the number of practice questions available in our bank.

Safety — 28 practice questions. Questions test your command of OSHA 29 CFR 1926: specific fall protection triggers (6-foot threshold, roof width conditions), criteria for guardrail height and load capacity, warning line placement rules, and personal fall arrest system inspection requirements.

Roofing – Substrate — 107 practice questions. Expect span-rating lookups, minimum thickness tables for plywood and OSB by rafter spacing, load calculations, fastener withdrawal resistance criteria, and pre-installation inspection checklists.

Roofing – Steep — 212 practice questions. The largest category matches the largest exam weight. Questions cover slope requirements by shingle or tile type, underlayment configurations, flashing geometry and materials, and shingle classification standards.

Roofing – Metal Panel — 30 practice questions. Questions distinguish architectural from structural systems, identify minimum slopes, and test panel profile terminology and fastener compatibility rules.

Roofing – Metal Flashing — 53 practice questions. Galvanic series knowledge, thermal expansion coefficients, gauge-to-thickness conversions, and coating selection by application type are all tested here.

Roofing Repairs — 42 practice questions. Questions require you to sequence a leak diagnosis, apply the re-cover vs. replacement criteria, and select the correct repair method for specific membrane or shingle conditions.

Roofing – Elastomeric — 29 practice questions. Tests seaming and welding procedures by membrane type, ballast weight and wind-uplift requirements, and corner flashing techniques for EPDM and thermoplastic systems.

Roofing – Built-up Bituminous — 29 practice questions. Bitumen type selection by temperature, ply configuration layouts, ASTM standards for base sheets, and surfacing restrictions in high-wind areas are common question types.

The full practice exam mirrors the real exam: 65 questions, 180-minute clock, and a topic-by-topic score report so you can identify which areas need more time before test day.

Required Study Materials

The SC Roofing exam is open book, which means your references must be well-organized before you sit down. These are the approved books:

• Roofing Construction and Estimating — The foundational text covering measurement, slope calculation, and material quantities. Useful for math-based questions.
• NRCA Roofing Manual: Steep Slope Roof Systems (2026) — Primary reference for the 22-item Steep section. Tab by covering type.
• NRCA Roofing Manual: Metal Panel and SPF Roof Systems (2026) — Covers Metal Panel topics and SPF systems.
• NRCA Roofing Manual: Membrane Roofing Systems (2023) — Primary reference for Elastomeric and Built-up Bituminous topics.
• NRCA Roofing Manual: Architectural Metal Flashing Condensation and Air Leakage Control, and Reroofing (2022) — Covers Metal Flashing and Repairs topics.
• OSHA 29 CFR 1926 — Required for all Safety questions. Mark Subpart M (fall protection) and Subpart Q (concrete) as priority sections.
• SC Building Code 2021 — Code questions are based on the specific edition listed; do not substitute a later version.

Recommended supplies for organizing your references:

• Redi-Tag Permanent Colored Tabs — 100 tabs in five colors; use one color per NRCA manual to build a fast-find index during study sessions.
• Sharpie Highlighters — Twelve highlighters in assorted colors. Assign one color per topic area so critical passages stand out immediately during the exam.
• Non-Programmable Calculator — An eight-digit display calculator that meets the exam's requirements: silent, battery-operated, no paper tape, no alphabetic keyboard.

Study Tips for the SC Roofing Exam

Allocate time by topic weight, not by topic count. Roofing – Steep accounts for 22 of 65 questions. It deserves roughly one-third of your preparation time. Substrate and Metal Flashing are next at eight items each.

Give yourself three to six weeks. Follow the Candidate Information Bulletin topic list rather than a generic study schedule. Work through the NRCA Steep Slope manual first, then Membrane, then Metal Panel and SPF, then Metal Flashing and Reroofing.

Build reference speed, not just knowledge. The open-book format rewards candidates who can locate answers in under 60 seconds. Tab each NRCA manual by roofing system. Mark the roofing chapter (Chapter 15) of the South Carolina Building Code. During practice sessions, time yourself finding specific tables and figures.

Practice the math cold. Roof slope, area, and material-quantity calculations from Roofing Construction and Estimating should be automatic before test day. Calculator use is permitted, but setup time on unfamiliar formulas costs minutes you may need later.

Use a first-pass/second-pass strategy. Answer every question you can answer quickly, bookmark the rest, and return with your references. One difficult question should not affect your time on the remaining 64.

Target 80% or better on practice exams. That margin converts to roughly 52 correct on the real exam — well above the 46 required. A comfortable buffer reduces the risk that a few unfamiliar questions affect the outcome.

Frequently Asked Questions

How many questions are on the South Carolina Roofing exam and how long do I have to finish?
The exam has 65 scored questions and a 180-minute (3-hour) time limit.

What is the passing score for the SC Roofing exam?
You must answer 46 of 65 questions correctly — 70% — to pass.

How much does it cost to register?
The registration fee is $75. Fees are not refundable or transferable regardless of circumstance.

What exams do I need to pass for a South Carolina commercial roofing contractor license?
Both the Roofing Examination and the Business Management and Law for Contractors Examination are required.

How do I register for the exam?
Register through the exam registration page, by phone at (855) 340-3701, by fax at (702) 932-2666, or by mail. Accepted payments include credit card (VISA, MasterCard, American Express, Discover), company check, money order, or cashier's check. Cash and personal checks are not accepted.

Is the SC Roofing exam open book?
Yes. You may bring the approved references, highlighted, underlined, and tabbed, but they must be otherwise unmarked and may not contain loose or attached papers.

What reference books are allowed?
The approved list includes Roofing Construction and Estimating (1995, any printing); the 2021 International Building Code with SC modifications or 2018 South Carolina Building Code; NRCA Roofing Manual: Steep Slope Roof Systems (2026); NRCA Roofing Manual: Metal Panel and SPF Roof Systems (2026); NRCA Roofing Manual: Membrane Roofing Systems (2023); NRCA Roofing Manual: Architectural Metal Flashing, Condensation Control and Reroofing (2022); and OSHA 29 CFR Part 1926. For non-code references, later editions are permitted; code questions are based only on the listed edition.

How many times can I retake the exam if I fail?
You may take the exam twice within a 12-month period, then once every six months after that. Each attempt requires a new registration form and fee. A candidate who passes is not permitted to retake the same exam. If you exhaust your attempts in a 12-month period, you must reapply to the Contractor's Licensing Board.

What ID do I need to bring?
One valid, non-expired, photo-bearing government-issued ID — such as a state driver's license, U.S. passport, or U.S. military ID. The name on your ID must match your registration exactly.

Can I use a calculator?
Yes, but only a non-programmable calculator that is silent, battery-operated, has no paper tape printing capability, and has no alphabetic keyboard.

Start Your South Carolina Roofing Exam Prep Today

The South Carolina Roofing contractor exam rewards preparation that is systematic and reference-focused. Candidates who know where to find answers — and who have practiced the math — perform consistently above the 46-question threshold.

Start with our free practice exam: 10 questions, no account required, built from the same topic areas as the real exam. When you are ready for full-length simulation, the paid exam replicates all 65 questions and the 180-minute clock, with a topic-by-topic score breakdown to direct your remaining study time. Both tools are grounded in the same South Carolina roofing exam prep framework used by candidates preparing for the PSI South Carolina roofing study guide material.

Get your references tabbed, get your calculator, and get to work.