Arizona Roofing Residential / Commercial Contractor (CR-42) Exam Book Package

The Arizona Roofing Residential / Commercial Contractor (CR-42) Exam Book Package is designed for contractors, qualifying parties, roofing professionals, estimators, project supervisors, repair specialists, reroofing contractors, and business owners preparing for the Arizona CR-42 Roofing Residential / Commercial Contractor trade exam. This package brings together the key references used to study roofing systems, weatherproofing, roof accessories, steep-slope roofing, low-slope roofing, built-up roofing, waterproofing, roof components, estimating, plan reading, repairs, reroofing, building code requirements, residential code requirements, and OSHA construction safety.

The CR-42 classification is a dual residential and commercial roofing classification in Arizona. This means it is connected to both residential and commercial roofing work within the allowed scope of the classification. Roofing contractors working under this classification need trade knowledge in roof preparation, weatherproofing materials, roof coverings, roof accessories, roof insulation, coatings, flashing, valleys, gravel stops, sheet metal accessories, skylights, reroofing, and roof repair work.

Roofing work requires more than installing shingles or membrane systems. A professional roofing contractor must understand substrate conditions, drainage, moisture control, underlayment, flashing, fastening, roof slope, roof deck condition, safety procedures, estimating, and the differences between roofing systems. The Arizona CR-42 exam reflects this broad responsibility by testing roofing trade knowledge, code reference use, safety, roof components, and practical field procedures.

This book package supports preparation for the major exam areas, including estimating and plan reading, surface preparation and planning, steep and low slope roofing, built-up roofing, waterproofing, roofing components, safety, repairs, and reroofing. The included references help candidates build both practical trade knowledge and the reference navigation skills needed for an open-book contractor exam.

The Arizona CR-42 exam is an open-book test with specific rules about which books may be brought into the examination center. Candidates are responsible for bringing their own approved references. The remaining books in this package are important study materials that help build roofing knowledge before exam day, even though they are not allowed in the testing room.

Exam Details

The Arizona CR-42 Roofing Residential / Commercial Contractor trade exam contains 50 questions. Candidates must earn a minimum passing score of 70%, and the time allowed for the exam is 120 minutes.

The exam content outline includes the following subject areas:

• Estimating and Plan Reading
• Surface Preparation and Planning
• Steep and Low Slope Roofing, including BUR and Waterproofing
• Roofing Components
• Safety
• Repairs and Reroofing

Estimating and plan reading questions may involve measurements, roof area, slopes, takeoffs, material quantities, waste factors, roof layout, project drawings, and construction details. Roofing contractors should understand how to read roof plans, identify roof areas, calculate materials, and plan work based on the roof system being installed or repaired.

Surface preparation and planning questions may involve inspection of the roof deck, substrate condition, removal of existing materials, repair needs, moisture issues, surface cleaning, protection of adjacent work, jobsite setup, access planning, and coordination before roofing installation begins. Good roof performance often starts with proper preparation before the first material is installed.

Steep and low slope roofing questions may include shingles, shakes, slate, tile, metal roofing, underlayment, membrane systems, built-up roofing, flashing, waterproofing, roof insulation, coatings, fasteners, slope requirements, drainage, and installation practices. Candidates should understand the differences between steep-slope and low-slope systems and how each type of roof handles water, wind, exposure, and movement.

Roofing component questions may involve flashing, valleys, gravel stops, sheet metal, roof accessories, skylights, penetrations, vents, edges, drains, insulation, coatings, and related materials used to complete a roofing system. Repairs and reroofing questions may include tear-off, roof recovery, patching, leak investigation, replacement of damaged materials, substrate repair, reroofing limitations, and quality control.

Open Book Test

The Arizona Roofing Residential / Commercial Contractor (CR-42) Exam is an open-book test. Candidates are responsible for bringing their own approved references to the examination center. The testing center does not provide the reference materials.

The approved exam-room references include:

• Code of Federal Regulations - 29 CFR Part 1926 (OSHA), with latest available amendments, or Code of Federal Regulations - 29 CFR Part 1926 Selections by PSI
• International Building Code, 2018
• International Residential Code for One- and Two-Family Dwellings, 2018

The following references are listed for study but are not allowed in the examination center:

• Roofing Construction and Estimating, Daniel Atcheson, 1995
• NRCA Roofing Manual: Membrane Roofing Systems
• NRCA Roofing Manual: Steep Slope Roof Systems

Candidates may use a silent, nonprinting, non-programmable calculator during the exam. Approved references may be highlighted, underlined, annotated, and indexed before the examination session. Candidates may not write, highlight, underline, or index references during the exam.

Additional papers are not allowed with approved references. This includes loose papers and attached papers. References may be tabbed or indexed with permanent tabs only. Permanent tabs are tabs that would tear the page if removed. Temporary tabs, including removable sticky notes or Post-It style tabs, are not allowed and must be removed before the exam begins.

Downloaded reference materials may be brought into the testing center only when properly bound. Spiral binding or hole-punching and placing the material in a binder are acceptable binding methods. Candidates should prepare all approved exam-room references before test day so the books meet testing-center rules.

Because only OSHA, the International Building Code, and the International Residential Code are allowed in the exam room, preparation should be divided into two parts. First, use the roofing study books to build trade knowledge in estimating, roof systems, steep-slope roofing, low-slope roofing, built-up roofing, waterproofing, components, repairs, and reroofing. Second, practice using OSHA, the IBC, and the IRC so approved references can be used efficiently during the open-book exam.

Licensing Steps

Arizona contractor licensing is handled by the Arizona Registrar of Contractors. A candidate pursuing the CR-42 Roofing Residential / Commercial Contractor classification should review the current state licensing requirements and application instructions before applying.

The qualifying party for the license must complete the applicable examination requirements for the classification. Arizona contractor applicants may also need to complete the Arizona Statutes and Rules Exam, which covers state-specific contractor laws, rules, and regulatory responsibilities.

After the required examination process is completed, the applicant submits the contractor license application and supporting documents to the Arizona Registrar of Contractors. The application process may include business entity information, qualifying party information, experience documentation, bonding, financial responsibility, background-related forms, and other state-required documents.

Applicants should apply for the classification that matches the work they intend to perform. The CR-42 classification is a dual residential and commercial roofing classification. It is intended for contractors who need both residential and commercial authority for covered roofing work.

Passing the trade exam does not automatically issue a contractor license. The exam supports the trade competency portion of the process, but the license is issued only after the Arizona Registrar of Contractors approves the complete application for the applicable classification.

State Requirements

Arizona uses contractor license classifications to define the type of work a contractor may legally contract for and perform. The CR-42 Roofing classification allows the licensee to apply or install weatherproofing, such as asphaltum, pitch, tar, felt, glass fabric, or flax, and roof accessories such as flashing, valleys, gravel stops, or sheet metal as required to install or repair roof systems.

The CR-42 scope includes installation or repair of roof tile, shingles, shakes, slate, metal roofing systems, urethane foam, roof insulation, and roof coatings on or above the roof deck. The classification also allows replacement of up to three sheets, or 96 square feet, of plywood on the roof substrate, and installation of new skylights or replacement of existing skylights when no change to the roof framing or roof structure is required.

Contractors should stay within the scope of the license issued to them. Roofing work can overlap with structural framing, sheet metal, waterproofing, insulation, skylight, solar, general contracting, and other specialty work. Contractors should understand the limits of the CR-42 classification before bidding or performing work and should use properly licensed subcontractors when work falls outside the classification scope.

Residential and commercial roofing projects may involve coordination with property owners, builders, general contractors, architects, engineers, inspectors, suppliers, and other trades. Projects may also require permits, inspections, safety planning, roof access planning, weather planning, fall protection procedures, material staging, disposal, deck review, flashing details, and documentation.

The exam book package supports study for the trade exam, while the state licensing process is handled separately through the Arizona Registrar of Contractors. Applicants should follow the state process for application timing, examination requirements, bonding, entity documentation, and final license approval.

Reference Books

This Arizona Roofing Residential / Commercial Contractor (CR-42) Exam Book Package includes the following references:

• Code of Federal Regulations - 29 CFR Part 1926 (OSHA)
  This OSHA construction safety reference covers federal construction industry safety standards. It supports preparation for safety-related questions involving fall protection concepts, ladders, scaffolds, personal protective equipment, tools, material handling, hazard communication, roof work hazards, and safe jobsite practices. This is one of the approved references allowed in the examination center.
• International Building Code, 2018
  This building code reference supports preparation for commercial building code questions involving roof assemblies, materials, fire classification, structural coordination, roof coverings, drainage, construction safeguards, and building safety. This is one of the approved references allowed in the examination center.
• International Residential Code for One- and Two-Family Dwellings, 2018
  This residential code reference supports preparation for one- and two-family dwelling roof requirements, roof coverings, roof assemblies, underlayment, flashing, ventilation, drainage, and residential construction safety. This is one of the approved references allowed in the examination center.
• Roofing Construction and Estimating, Daniel Atcheson, 1995
  This roofing trade reference supports study of roofing materials, estimating, takeoffs, installation methods, roof systems, flashing, job planning, repairs, reroofing, and practical field procedures. It is listed for study but is not allowed in the examination center.
• NRCA Roofing Manual: Membrane Roofing Systems
  This membrane roofing reference supports study of low-slope roofing systems, membrane materials, installation practices, roof insulation, flashing, drainage, waterproofing, maintenance, repair, and system performance. It is listed for study but is not allowed in the examination center.
• NRCA Roofing Manual: Steep Slope Roof Systems
  This steep-slope roofing reference supports study of asphalt shingles, tile, slate, wood shakes, metal roofing, underlayment, flashing, ventilation, roof slopes, accessories, installation details, maintenance, and repair. It is listed for study but is not allowed in the examination center.

Test Information and Study Materials

Preparation for the Arizona CR-42 exam should begin with the exam content outline. The exam covers estimating and plan reading, surface preparation and planning, steep and low slope roofing, built-up roofing, waterproofing, roofing components, safety, repairs, and reroofing. These categories connect directly to the work performed by residential and commercial roofing contractors.

For estimating and plan reading, candidates should study roof measurements, slopes, squares, waste factors, roof layout, material takeoffs, flashing quantities, underlayment quantities, insulation quantities, and labor planning. Roofing estimating requires accuracy because roof shape, slope, penetrations, waste, and system type can all affect material needs.

For surface preparation and planning, candidates should review deck inspection, damaged substrate, moisture, tear-off, debris removal, existing roof conditions, underlayment preparation, ventilation concerns, roof access, staging, disposal, weather conditions, and protection of property. A roofing system depends on proper preparation before installation begins.

For steep-slope roofing, candidates should study shingles, tile, shakes, slate, metal roofing, underlayment, flashing, drip edges, valleys, ridges, hips, penetrations, fasteners, ventilation, and roof accessories. The NRCA steep-slope reference and the residential code are especially useful for this portion of study.

For low-slope roofing, candidates should review membrane systems, built-up roofing, insulation, cover boards, vapor retarders, coatings, drainage, flashing, seams, penetrations, roof edges, waterproofing, and maintenance. The NRCA membrane roofing reference is useful for understanding low-slope system components and installation practices.

For repairs and reroofing, candidates should study leak investigation, damaged materials, patching, recovering, tear-off, reroofing limitations, substrate repair, flashing repair, skylight replacement, coating repair, roof deck evaluation, and workmanship issues. Roofing contractors should understand how to evaluate whether a roof can be repaired, recovered, or replaced.

For OSHA safety, candidates should become familiar with OSHA 29 CFR Part 1926. Roofing work may involve fall hazards, ladders, scaffolds, roof edges, steep slopes, heat exposure, tools, hoisting, material handling, weather hazards, and coordination with other trades. Candidates should practice locating OSHA topics quickly because safety questions may require reference lookup during the open-book exam.

Strong preparation includes organizing the approved references and using the study-only books to build trade knowledge. Highlight important sections in OSHA, the International Building Code, and the International Residential Code, add permanent tabs, and practice looking up information quickly. With 50 questions and 120 minutes, candidates should manage time carefully and avoid spending too long on any single question.

How 1 Exam Prep Helps You Reach Your Goal

1 Exam Prep helps Arizona contractor candidates prepare with organized study guidance, trade-focused review, reference navigation support, and confidence-building exam preparation structure. For the Arizona Roofing Residential / Commercial Contractor (CR-42) Exam, preparation should include both roofing trade knowledge and efficient use of the approved OSHA, International Building Code, and International Residential Code references.

This exam covers focused roofing subjects, including estimating, plan reading, surface preparation, steep-slope roofing, low-slope roofing, built-up roofing, waterproofing, roofing components, safety, repairs, and reroofing. 1 Exam Prep helps students organize preparation around the actual exam categories instead of studying randomly.

For open-book exams, reference navigation is one of the most important skills to develop. Candidates should know how to move through OSHA, the International Building Code, and the International Residential Code quickly for exam-room lookup. The other books in the package help build the trade knowledge needed for roofing construction, estimating, membrane systems, steep-slope systems, repairs, and reroofing questions.

1 Exam Prep supports students by encouraging practical preparation habits. That includes reviewing the exam outline, reading the references, organizing approved books, practicing timed lookups, and strengthening weak areas before test day. The goal is to help candidates understand the materials and approach the Arizona contractor exam process with a clearer plan.

1 Exam Prep does not guarantee passing, licensing approval, state approval, or exam outcomes. The value of preparation comes from consistent study, correct reference materials, and a focused approach to learning the roofing trade content tested on the exam.

FAQ Section

What is included in the Arizona CR-42 Roofing Exam Book Package?

This package includes 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 by Daniel Atcheson, NRCA Roofing Manual: Membrane Roofing Systems, and NRCA Roofing Manual: Steep Slope Roof Systems.

Is the Arizona CR-42 Roofing exam open book?

Yes. The Arizona CR-42 Roofing Residential / Commercial Contractor exam is an open-book test, but only approved references may be brought into the examination center.

Which books are allowed in the CR-42 exam room?

The approved exam-room references are Code of Federal Regulations - 29 CFR Part 1926 OSHA, International Building Code 2018, and International Residential Code for One- and Two-Family Dwellings 2018.

Are all books in this package allowed into the testing center?

No. Roofing Construction and Estimating, NRCA Roofing Manual: Membrane Roofing Systems, and NRCA Roofing Manual: Steep Slope Roof Systems are study-only references and are not allowed in the examination center.

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

The Arizona CR-42 Roofing exam contains 50 questions. The minimum passing score is 70%, and candidates are allowed 120 minutes.

What topics are covered on the Arizona CR-42 exam?

The exam covers estimating and plan reading, surface preparation and planning, steep and low slope roofing including BUR and waterproofing, roofing components, safety, repairs, and reroofing.

Can I highlight and tab my approved books before the exam?

Yes. Approved references may be highlighted, underlined, annotated, and indexed before the examination. Permanent tabs are allowed. Temporary tabs, loose papers, attached papers, and writing in the books during the exam are not allowed.

Can I use a calculator during the exam?

Yes. Candidates may use a silent, nonprinting, non-programmable calculator during the Arizona CR-42 exam.

What work is covered by the Arizona CR-42 Roofing classification?

The CR-42 classification allows roofing work within the residential and commercial scope, including weatherproofing, roof accessories, roof tile, shingles, shakes, slate, metal roofing systems, urethane foam, roof insulation, roof coatings, limited roof substrate plywood replacement, and skylight installation or replacement when roof framing or roof structure changes are not required.

How should I study for the Arizona CR-42 exam?

Start with the exam content outline, then study each topic using the appropriate reference. Use the study-only books to build roofing construction, estimating, steep-slope, low-slope, membrane, repair, and reroofing knowledge, and spend extra time practicing with OSHA, the International Building Code, and the International Residential Code because those are the approved exam-room references.