Arizona Roofing Residential / Commercial Contractor (CR-42) Exam - Online Exam Prep

The Arizona Roofing Residential / Commercial Contractor (CR-42) Exam - Online Exam Prep course is designed for candidates preparing for the Arizona dual residential and commercial roofing contractor trade exam. This online course helps students study the major knowledge areas connected to roofing materials, roof systems, roof decks, underlayment, flashing, steep-slope roofing, membrane roofing, insulation, roof drainage, estimating, plan reading, safety, and building code requirements.

The Arizona CR-42 Roofing classification combines residential and commercial roofing work into one dual contractor classification. Candidates preparing for this exam should understand how roofing systems are installed, repaired, protected, flashed, drained, ventilated, and coordinated with the surrounding structure. Roofing work may include shingles, tiles, built-up roofing, modified bitumen, single-ply membranes, metal roofing, roof insulation, roof drainage components, roof penetrations, edge details, flashing, and related waterproofing practices within the allowed license scope.

This online exam prep course gives candidates a structured way to prepare for the Arizona CR-42 Roofing exam without trying to organize the entire study process alone. The exam is open book, which means students should prepare in two important ways: by learning the roofing trade material and by becoming familiar with the approved references used during testing. Strong preparation includes reviewing the official content outline, studying key roofing topics, understanding how the code books and roofing manuals are organized, and practicing how to locate information efficiently during a timed exam.

The Arizona Roofing Residential / Commercial Contractor (CR-42) Exam - Online Exam Prep course is a strong fit for qualifying parties, residential roofing contractors, commercial roofing contractors, roof repair professionals, steep-slope roofing installers, low-slope membrane roofing installers, project managers, estimators, supervisors, business owners, and experienced tradespeople preparing for Arizona contractor licensing. The course helps students review the exam subjects, connect those subjects to the listed references, and approach the test with a more organized preparation routine.

Roofing work requires attention to weather exposure, water shedding, waterproofing, material compatibility, fastening, flashing, slope, ventilation, drainage, roof openings, fall hazards, and safe jobsite practices. A roofing contractor may need to understand both residential steep-slope systems and commercial low-slope systems. This course helps candidates study those areas in a focused, exam-oriented format that supports open book test readiness.

Exam Details

The Arizona CR-42 Roofing residential / commercial contractor exam is administered through PSI for the Arizona Registrar of Contractors. The trade exam contains 80 questions, and candidates are allowed 180 minutes to complete the test. The minimum passing score is 70%.

The Arizona CR-42 Roofing exam uses the same trade examination content as the commercial C-42 Roofing and residential R-42 Roofing classifications. Candidates should select the license classification that matches the work they plan to perform and follow the Arizona Registrar of Contractors licensing process for that classification.

The exam covers roofing trade knowledge, code awareness, estimating, plan reading, roofing materials, roof system installation, flashing, drainage, repair work, and OSHA construction safety. Candidates should prepare for both steep-slope and low-slope roofing subjects because the CR-42 classification covers residential and commercial roofing work.

Steep-slope roofing topics may include asphalt shingles, tile roofing, underlayment, roof decks, roof slope, valleys, hips, ridges, flashing, eaves, rakes, penetrations, ventilation, fasteners, and weather protection. The NRCA Roofing Manual: Steep Slope Roof Systems supports study of these subjects and helps candidates understand roofing details that are common in residential and light commercial work.

Membrane roofing topics may include built-up roofing, modified bitumen, single-ply membranes, roof insulation, roof boards, vapor retarder awareness, edge details, roof drains, scuppers, flashing, penetrations, seams, fasteners, adhesives, and low-slope roof system installation. The NRCA Roofing Manual: Membrane Roofing Systems supports study of commercial roofing systems and low-slope roof assemblies.

Code questions may involve the International Building Code, International Residential Code, roof assemblies, fire classification awareness, roof drainage, underlayment, flashing, ventilation, structural support awareness, and weather protection. OSHA safety questions may involve fall protection, ladders, scaffolds, personal protective equipment, roofing hazards, material handling, power tools, heat exposure awareness, and jobsite hazard recognition.

Open Book Test

The Arizona CR-42 Roofing exam is an open book test. Candidates are responsible for bringing their own approved references to the examination center. Approved reference materials may be highlighted, underlined, annotated, and indexed before the exam session begins. Candidates may not write, highlight, underline, or index inside the references during the examination session.

Reference books may be tabbed or indexed with permanent tabs only. Permanent tabs are tabs that would tear the page if removed. Temporary tabs, removable sticky notes, and other removable tabs are not allowed and must be removed before the exam begins. Candidates may not bring loose papers or attached papers with the approved references.

If a candidate uses a permitted reference downloaded from the internet, the material must be bound before being brought into the testing center. A bound reference may be spiral bound or hole-punched and placed in a binder when allowed by the exam instructions. Candidates may use a silent, nonprinting, non-programmable calculator in the examination center.

The approved references allowed in the exam room are Code of Federal Regulations – 29 CFR Part 1926 (OSHA), International Building Code, 2018, International Residential Code for One- and Two-Family Dwellings, 2018, Roofing Construction and Estimating, Daniel Atcheson, 1995, NRCA Roofing Manual: Membrane Roofing Systems, and NRCA Roofing Manual: Steep Slope Roof Systems. Candidates should use these books during preparation, become familiar with their organization, and bring only compliant reference materials into the testing center.

Open book testing rewards students who study with the references before the exam. Simply bringing the books into the testing center is not enough. Candidates should know where roofing code provisions are found, how the NRCA roofing manuals are organized, where estimating guidance appears, where OSHA safety rules are located, and how the exam subjects connect to the approved references.

Licensing Steps

Arizona contractor licensing is handled by the Arizona Registrar of Contractors. A candidate pursuing the Arizona Roofing Residential / Commercial Contractor (CR-42) license should begin by confirming that the CR-42 dual classification matches the type of roofing work the business intends to perform. The qualifying party must complete the examination requirements connected to the license classification.

Many Arizona contractor license applicants must complete the applicable trade exam and the Arizona Statutes and Rules Training Course and Exam. The trade exam measures roofing and construction knowledge for the license classification, while the statutes and rules requirement covers Arizona contractor law and regulatory responsibilities. Candidates should follow the Arizona Registrar of Contractors application process for the business structure, qualifying party, experience, bonding, and supporting documents that apply to the license being pursued.

A practical preparation path begins with identifying the correct classification, reviewing the exam content, gathering the approved reference books, and setting a realistic study schedule. After preparation, the candidate schedules the trade exam through PSI and follows testing center rules for identification, reference materials, calculators, personal items, and exam-room conduct.

After the required examination steps are completed, the applicant continues through the Arizona Registrar of Contractors licensing process. This may include submitting the license application, identifying the qualifying party, providing required business information, meeting bonding requirements, and satisfying other state requirements connected to the applicant and classification.

State Requirements

The Arizona CR-42 Roofing classification allows the scopes of work permitted by both the commercial C-42 Roofing and residential R-42 Roofing classifications. This dual classification is intended for contractors who perform roofing work in both residential and commercial settings.

The roofing scope includes installation and repair of materials common to the roofing trade, including roof coverings, roof deck insulation, roof coating, roof membranes, underlayment, flashing, and related roof system components. Candidates should understand the practical tasks connected to roof installation, roof repair, roof replacement, waterproofing details, weather protection, roof drainage, ventilation, and jobsite safety.

Arizona issues separate contractor license classifications for commercial work, residential work, and dual residential/commercial work. The CR-42 classification is the dual residential / commercial roofing contractor classification. Applicants should make sure the classification fits the type of contracting work they plan to offer before moving forward with exam preparation and licensing paperwork.

Roofing work can affect weather resistance, structural protection, energy performance, drainage, safety, and long-term building durability. Poor installation, incorrect underlayment, weak flashing, poor drainage, improper fastening, or unsafe work practices can create serious problems. Exam preparation should reflect this responsibility by reviewing roofing materials, steep-slope systems, membrane systems, roof codes, estimating, flashing details, and OSHA safety.

Reference Books

• Code of Federal Regulations – 29 CFR Part 1926 (OSHA)
  This construction safety reference supports study of OSHA standards used on roofing jobsites, including fall protection, ladders, scaffolds, personal protective equipment, material handling, tools, equipment, heat exposure awareness, and general construction hazard recognition.
• International Building Code (IBC), 2018
  This code reference supports study of commercial building requirements that may affect roofing work, including roof assemblies, fire classification awareness, materials, roof drainage, weather protection, structural coordination, and code organization.
• International Residential Code for One- and Two-Family Dwellings (IRC), 2018
  This code reference supports study of residential roofing requirements, including roof assemblies, underlayment, flashing, roof ventilation, materials, ice barrier awareness, roof drainage, and residential code organization.
• Roofing Construction and Estimating, Daniel Atcheson, 1995
  This roofing trade reference supports study of roofing materials, roof measurements, estimating methods, job planning, installation practices, repair concepts, roof slope, quantities, and practical roofing calculations.
• NRCA Roofing Manual: Membrane Roofing Systems
  This reference supports study of low-slope and membrane roofing systems, including built-up roofing, modified bitumen, single-ply membranes, roof insulation, roof boards, seams, flashing, roof drains, edge details, and penetrations.
• NRCA Roofing Manual: Steep Slope Roof Systems
  This reference supports study of steep-slope roofing systems, including asphalt shingles, tile, underlayment, roof decks, valleys, hips, ridges, flashings, ventilation, roof penetrations, and water-shedding details.

Exam Room Approved Books

• Code of Federal Regulations – 29 CFR Part 1926 (OSHA)
  Approved for use in the exam room as the construction safety reference for OSHA-related roofing safety topics.
• International Building Code (IBC), 2018
  Approved for use in the exam room as the commercial building code reference for roof assemblies, materials, drainage, fire classification awareness, and building code requirements.
• International Residential Code for One- and Two-Family Dwellings (IRC), 2018
  Approved for use in the exam room as the residential code reference for residential roofing requirements, underlayment, flashing, ventilation, and roof system provisions.
• Roofing Construction and Estimating, Daniel Atcheson, 1995
  Approved for use in the exam room as the roofing trade and estimating reference for measurements, quantities, roofing materials, installation practices, and practical roof calculations.
• NRCA Roofing Manual: Membrane Roofing Systems
  Approved for use in the exam room as the membrane roofing reference for low-slope roof systems, roof insulation, membranes, flashing, drains, seams, and roof penetrations.
• NRCA Roofing Manual: Steep Slope Roof Systems
  Approved for use in the exam room as the steep-slope roofing reference for shingles, tile, underlayment, valleys, ridges, flashing, ventilation, and water-shedding roof details.

Test Information and Study Materials

The Arizona CR-42 Roofing exam is a broad roofing trade exam, so candidates should prepare across both residential and commercial roofing topics. A strong study routine includes reviewing the content areas, reading key reference sections, learning the structure of the IBC and IRC, building approved permanent tabs, practicing roof estimating, and reviewing both steep-slope and membrane roofing systems.

Steep-slope roof preparation should include roof decks, underlayment, asphalt shingles, tile roofing, roof slope, fasteners, starter courses, valleys, hips, ridges, eaves, rakes, penetrations, ventilation, drip edges, flashing, and weather protection. Candidates should understand how steep-slope systems shed water and how installation details affect long-term performance.

Membrane roof preparation should include built-up roofing, modified bitumen, single-ply membranes, roof insulation, roof boards, vapor retarder awareness, attachment methods, seam treatment, flashing, drains, scuppers, edge metal, penetrations, and repair practices. Candidates should understand how low-slope roof systems resist water intrusion and how membrane details are coordinated with the roof deck and drainage system.

Flashing preparation should include step flashing, counterflashing, base flashing, valley flashing, drip edge, penetration flashing, wall intersections, roof edges, curbs, scuppers, drains, and metal accessories. Flashing is one of the most important roofing topics because many roof failures occur at transitions, penetrations, edges, and intersections.

Estimating preparation should include measuring roof areas, calculating slope, determining material quantities, accounting for waste, planning underlayment, estimating flashing needs, measuring roof openings, and reading roof plans. Roofing Construction and Estimating helps candidates review practical measurement and estimating concepts that may appear on the exam.

Code preparation should include learning how the IBC and IRC are organized and where roofing requirements may be found. Candidates should review roof assemblies, roof coverings, underlayment, flashing, ventilation, fire classification awareness, materials, structural support awareness, and roof drainage. Open book testing is easier when candidates know how to use the code index, chapter structure, definitions, and tables.

Repair preparation should include identifying common roof defects, damaged flashing, membrane punctures, failed seams, loose fasteners, cracked or missing shingles, damaged tile, ponding water, poor drainage, blistering, weathered materials, and improper penetrations. Roofing contractors often work on existing buildings, so repair knowledge is important for both the exam and field performance.

OSHA Safety should be studied throughout the preparation process. Candidates should review fall protection, ladder safety, scaffold safety, personal protective equipment, material handling, roof access, hoisting, power tools, housekeeping, heat exposure awareness, and jobsite hazard recognition. Roofing work involves elevated surfaces, weather exposure, sharp materials, hot materials, heavy products, and active construction conditions, so safety knowledge is essential for both exam preparation and daily work.

How 1 Exam Prep Helps You Reach Your Goal

1 Exam Prep helps students prepare for the Arizona Roofing Residential / Commercial Contractor (CR-42) Exam with organized study guidance, trade-focused review, code navigation support, reference navigation support, and practice-oriented preparation. The course is designed to help candidates move through roofing topics with structure, so preparation feels more manageable and targeted.

For this exam, students need to understand residential roofing, commercial roofing, steep-slope roof systems, membrane roof systems, roofing codes, underlayment, flashing, roof drainage, roof ventilation, estimating, repair work, and OSHA safety. 1 Exam Prep helps organize these areas into a clear preparation path that supports exam readiness.

Open book roofing exams require more than owning the correct references. Students need to know how the books are arranged, how the exam topics connect to the references, and how to locate important information under time pressure. 1 Exam Prep supports this process through reference navigation guidance when applicable and an exam-focused study structure.

The course also helps students build confidence through repeated review and a more practical study routine. It does not replace hands-on roofing experience, and it does not guarantee a passing score, license approval, or any specific outcome. It is built to help students prepare with better organization, stronger topic awareness, and more confidence as they approach the Arizona CR-42 trade exam.

FAQ Section

What is the Arizona CR-42 Roofing contractor exam?

The Arizona CR-42 Roofing contractor exam is the trade exam for candidates pursuing the Arizona residential / commercial roofing contractor classification. It covers roofing materials, steep-slope systems, membrane systems, flashing, estimating, code requirements, roof drainage, repair work, and OSHA safety.

How many questions are on the Arizona CR-42 Roofing exam?

The exam contains 80 questions. Candidates are allowed 180 minutes to complete the test, and the minimum passing score is 70%.

Is the Arizona CR-42 Roofing exam open book?

Yes. The Arizona CR-42 Roofing exam is an open book test. Candidates may bring approved references into the testing center, but the books must follow exam-room rules for highlighting, annotations, indexing, permanent tabs, and permitted materials.

Which books are approved for the CR-42 exam room?

The exam-room-approved references include OSHA, IBC 2018, IRC 2018, Roofing Construction and Estimating, NRCA Roofing Manual: Membrane Roofing Systems, and NRCA Roofing Manual: Steep Slope Roof Systems.

What work is included in the Arizona CR-42 classification?

The CR-42 Roofing classification allows the scopes of work permitted by both the commercial C-42 and residential R-42 Roofing classifications. It is intended for contractors performing roofing work in both residential and commercial settings.

What is the difference between C-42, R-42, and CR-42?

C-42 is the commercial roofing classification, R-42 is the residential roofing classification, and CR-42 is the dual residential / commercial roofing classification that combines the allowed scopes of both.

What should I study for the CR-42 Roofing exam?

Candidates should study steep-slope roofing, membrane roofing, flashing, roof drainage, roof ventilation, roof decks, underlayment, estimating, IBC and IRC roofing requirements, repairs, and OSHA safety.

Can I use temporary tabs in my books during the exam?

No. Temporary tabs are not allowed. Approved references may be tabbed or indexed with permanent tabs only, and removable notes or tabs must be removed before the exam begins.

Who should take this online exam prep course?

This course is intended for candidates preparing for the Arizona Roofing Residential / Commercial Contractor (CR-42) Exam, including qualifying parties, roofing contractors, roof repair professionals, steep-slope roofing installers, low-slope roofing installers, supervisors, project managers, estimators, and business owners.

Does this course guarantee that I will pass the exam?

No. This course does not guarantee a passing score, license approval, or any specific exam outcome. It is designed to help students prepare through organized review, trade-focused study, code navigation, reference familiarization, and open book practice.

Why is online exam prep helpful for this roofing contractor exam?

Online exam prep helps students study with structure. It supports review of roofing systems, code requirements, estimating, flashing, safety, approved references, and exam-style preparation so candidates can approach the timed open book test with better organization.