{"product_id":"california-roofing-c-39-contractor-licensing-exam-prep-online-course","title":"California Roofing (C-39) Contractor Licensing Exam Prep Online Course","description":"\u003ch2 style=\"color: #d32f2f;\"\u003eCalifornia Roofing (C-39) Contractor Licensing Exam Prep Online Course\u003c\/h2\u003e\n\n\u003cp\u003ePrepare for the California Roofing (C-39) contractor licensing examination with an online course designed to help you review roofing systems, planning and estimating, job-site preparation, steep-slope roofing, low-slope roofing, reroofing, flashing, ventilation, waterproofing, safety, and California construction requirements. This course provides a structured way to work through the major trade areas associated with the C-39 examination while strengthening the practical knowledge needed to answer contractor-style multiple-choice questions.\u003c\/p\u003e\n\n\u003cp\u003eThe California C-39 Roofing classification covers contractors who install and repair products and surfaces that seal, waterproof, and weatherproof structures. Roofing contractors work with a wide range of materials and systems, including shingles, tile, membranes, metal panels, spray polyurethane foam, flashing, underlayment, insulation, waterproofing components, and other materials used to protect structures from weather and moisture.\u003c\/p\u003e\n\n\u003cp\u003eBecause roofing work includes many different materials and installation methods, effective preparation requires more than experience with one roof type. A contractor who regularly installs asphalt shingles may need additional study involving membrane roofing, tile, metal panels, spray polyurethane foam, or reroofing. A commercial roofer may need more review of steep-slope systems, residential requirements, or tile installation. The online course helps candidates review the broader C-39 scope instead of relying only on the type of roofing work they perform most often.\u003c\/p\u003e\n\n\u003cp\u003eThe California Roofing (C-39) trade examination is a closed-book test. Reference books cannot be used during the examination, so candidates need to understand the concepts, installation sequences, safety principles, and roofing terminology before test day. The course is designed to support that preparation through organized trade-focused review and practical study structure.\u003c\/p\u003e\n\n\u003cp\u003eRoofing contractors also work in conditions where safety must remain a priority. Elevated surfaces, roof edges, ladders, electrical hazards, material handling, weather exposure, tear-off operations, and falling objects can all create serious job-site risks. For that reason, safety and fall protection are important parts of C-39 preparation as well as daily roofing operations.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eExam Details\u003c\/h2\u003e\n\n\u003cp\u003eThe California Roofing (C-39) trade examination is divided into several major content areas. The approximate percentages help candidates organize their preparation and understand how the test is distributed.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanning and Estimating — 22%\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThis area covers planning roofing projects and estimating roofing work. Candidates should understand roof measurements, quantities, materials, equipment, labor, project scope, scheduling, job-site conditions, and other factors that affect roofing estimates.\u003c\/span\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eJob Site Preparation for Roof Projects — 13%\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThis section includes protecting surrounding property, correcting existing roof or substrate problems, and tearing off existing roofing materials.\u003c\/span\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eLow-Slope Roof Projects — 17%\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eTopics include flashing, ventilation, underlayment where applicable, low-slope roofing systems, membrane assemblies, repairs, and related installation practices.\u003c\/span\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eSteep-Slope Roof Projects — 26%\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe largest portion of the examination covers flashing, ventilation, underlayment, installation of steep-slope roofing systems, and steep-slope roof repairs.\u003c\/span\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eSafety — 22%\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eSafety preparation includes personnel safety, job-site safety, fall protection, access, tools, equipment, material handling, and other hazards associated with roofing work.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe C-39 trade examination uses a multiple-choice format. Each question presents several answer choices with one best answer. Some questions require mathematical computation, so candidates should be comfortable working with roofing measurements, areas, quantities, slopes, and other practical calculations.\u003c\/p\u003e\n\n\u003cp\u003eSteep-Slope Roof Projects represent the largest individual examination area, but Planning and Estimating and Safety each represent approximately 22% of the test. A balanced study plan should therefore cover installation knowledge, project planning, calculations, repairs, and safety rather than concentrating only on roofing materials.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eClosed Book Test\u003c\/h2\u003e\n\n\u003cp\u003eThe California Roofing (C-39) trade examination is a \u003cstrong\u003eclosed-book examination\u003c\/strong\u003e. Reference materials cannot be used during the trade test.\u003c\/p\u003e\n\n\u003cp\u003eThis makes preparation especially important. The listed roofing manuals, building codes, energy requirements, residential code, and safety references should be used during study to build familiarity with roofing assemblies and installation principles before exam day.\u003c\/p\u003e\n\n\u003cp\u003eFor a closed-book test, active recall is useful. After studying a steep-slope roof system, close the reference and work through the installation sequence from memory. Review roof-deck preparation, underlayment, flashing, ventilation, roof-covering installation, penetrations, valleys, ridges, edges, and final inspection.\u003c\/p\u003e\n\n\u003cp\u003eUse the same approach for low-slope systems. Explain how roof decks, insulation, membranes, penetrations, flashing, drainage, terminations, and repairs work together. Understanding the complete assembly can make it easier to reason through questions when the wording differs from what you studied.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eLicensing Steps\u003c\/h2\u003e\n\n\u003cp\u003eThe California Contractors State License Board administers contractor licensing and the C-39 Roofing classification. Applicants generally proceed through qualification, application, examination, and license-issuance requirements.\u003c\/p\u003e\n\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeet the qualifying experience requirement.\u003c\/strong\u003e The qualifying individual generally needs at least four years of qualifying experience in the classification during the applicable period before filing the contractor license application.\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eSubmit the appropriate CSLB application.\u003c\/strong\u003e Applicants who are required to take examinations must complete the applicable contractor license examination application and provide the required qualifying experience information.\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eComplete fingerprint requirements.\u003c\/strong\u003e Applicants who are subject to fingerprinting must complete the applicable background-check process according to CSLB instructions.\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eComplete required examinations.\u003c\/strong\u003e Unless an examination waiver applies, the qualifying individual generally must pass the C-39 Roofing trade examination and the California Law and Business examination.\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eComplete the examination process.\u003c\/strong\u003e Passing the required examinations is an important licensing step, but additional license-issuance requirements remain.\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eComplete license-issuance requirements.\u003c\/strong\u003e Applicants must satisfy applicable bonding, workers' compensation, documentation, and other CSLB requirements before an active contractor license can be issued.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003eLicensing circumstances can vary depending on business structure, prior California licensing history, the qualifying individual, and examination waiver eligibility.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eState Requirements\u003c\/h2\u003e\n\n\u003cp\u003eThe qualifying individual generally needs at least four years of qualifying experience in the C-39 classification during the 10 years immediately before applying. Qualifying experience may include journey-level work or experience in another recognized role such as foreman, supervising employee, or contractor.\u003c\/p\u003e\n\n\u003cp\u003eQualifying education, apprenticeship training, or technical instruction may receive credit toward part of the experience requirement under CSLB rules. Practical roofing experience remains an important part of qualification.\u003c\/p\u003e\n\n\u003cp\u003eApplicants who are required to take examinations generally must pass both the C-39 Roofing trade examination and the California Law and Business examination unless an applicable examination waiver applies.\u003c\/p\u003e\n\n\u003cp\u003eCalifornia contractor licensing also includes bonding requirements. A contractor bond must be in place before an active license can be issued, and additional bonding requirements can apply depending on the business structure and qualifying individual.\u003c\/p\u003e\n\n\u003cp\u003eThe C-39 Roofing classification also has an important workers' compensation requirement. Active C-39 roofing contractors are required to maintain workers' compensation insurance or qualifying self-insurance. The standard no-employee workers' compensation exemption that may apply to some other contractor classifications does not apply to C-39 roofing contractors.\u003c\/p\u003e\n\n\u003cp\u003eApplicants must also complete any other applicable CSLB license-issuance requirements before the license becomes active. Passing the C-39 trade examination is one part of the overall licensing process.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eReference Books\u003c\/h2\u003e\n\n\u003cp\u003eThe following references support study for the California C-39 Roofing trade examination. Because the C-39 test is closed book, these books should be used during preparation rather than taken into the examination room.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2022 California Building Code\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA California construction-code reference for studying roofing assemblies, weather protection, materials, flashing, reroofing considerations, and building requirements that affect roofing work.\u003c\/span\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003e2022 California Energy Code, Title 24, Part 6\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA reference supporting preparation involving roof-related energy requirements, insulation, thermal performance, and energy-efficient construction considerations.\u003c\/span\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003e2022 California Residential Code\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA residential construction reference covering roof assemblies, roof coverings, underlayment, flashing, ventilation, reroofing, and related residential roofing requirements.\u003c\/span\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eConcrete and Clay Tile Installation Manual, 2015\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA specialized technical reference for concrete and clay tile roofs, including layout, underlayment, flashing, fastening, penetrations, and installation practices.\u003c\/span\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eNRCA Roofing Manual: Architectural Metal Flashing Condensation and Air Leakage Control, and Reroofing\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA roofing-industry reference supporting study of flashing, moisture and condensation concerns, air leakage control, and reroofing practices.\u003c\/span\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eNRCA Roofing Manual: Steep Slope Roof Systems\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA technical resource for studying steep-slope roofing assemblies, materials, underlayment, flashing, drainage, installation procedures, and repairs.\u003c\/span\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eNRCA Roofing Manual: Metal Panel and SPF Roof Systems\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA reference covering metal panel roofing and spray polyurethane foam roof systems, including materials, application practices, detailing, flashing, maintenance, and repair concepts.\u003c\/span\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eNRCA Roofing Manual: Membrane Roofing Systems\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA reference supporting preparation involving membrane and low-slope roofing systems, installation methods, flashing, penetrations, drainage, terminations, and repairs.\u003c\/span\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eCal\/OSHA General Industry \u0026amp; Electrical Safety Orders\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA California workplace safety reference covering employee protection, electrical hazards, tools, equipment, and occupational safety requirements.\u003c\/span\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eCal\/OSHA Construction \u0026amp; Electrical Safety Orders\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA construction safety reference useful for studying fall protection, roof access, ladders, scaffolds, electrical hazards, equipment, personal protective equipment, and job-site safety.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eTest Information and Study Materials\u003c\/h2\u003e\n\n\u003cp\u003eFor \u003cstrong\u003ePlanning and Estimating\u003c\/strong\u003e, candidates should review roof measurements, slope, area, quantities, material requirements, labor, equipment, project sequencing, and job-site conditions. Roofing estimates may involve squares, linear measurements, underlayment, flashing, membranes, fasteners, tile, shingles, insulation, and expected waste.\u003c\/p\u003e\n\n\u003cp\u003ePractice reading plans and evaluating roof geometry. Valleys, hips, ridges, penetrations, walls, parapets, drains, edges, and changes in roof elevation can all affect quantities and project complexity. Estimating should account for more than the total roof area.\u003c\/p\u003e\n\n\u003cp\u003eFor \u003cstrong\u003eJob Site Preparation\u003c\/strong\u003e, review how existing roof conditions and surrounding property are evaluated before work begins. Candidates should understand protection of walls, windows, landscaping, sidewalks, vehicles, occupied areas, and other surfaces that can be affected by roofing operations.\u003c\/p\u003e\n\n\u003cp\u003eTear-off work can expose roof decks and building interiors to weather while also creating debris and fall hazards. Study project sequencing, temporary protection, material handling, cleanup, and inspection of the roof deck after existing materials are removed.\u003c\/p\u003e\n\n\u003cp\u003eExisting defects should be addressed before a new roofing system is installed. Review damaged decking, moisture conditions, deteriorated materials, drainage problems, defective flashing, and other conditions that can affect the performance of a replacement roof.\u003c\/p\u003e\n\n\u003cp\u003eFor \u003cstrong\u003eLow-Slope Roof Projects\u003c\/strong\u003e, review membrane systems, insulation, flashing, roof edges, curbs, penetrations, drains, scuppers, terminations, repairs, and reroofing. Low-slope roofing depends heavily on continuous waterproofing and proper detailing at transitions.\u003c\/p\u003e\n\n\u003cp\u003eThe NRCA Membrane Roofing Systems reference can help candidates compare different low-slope assemblies and understand how individual components work together. Study installation sequence as well as repair procedures.\u003c\/p\u003e\n\n\u003cp\u003eMetal panel and spray polyurethane foam roofing should also receive attention. These systems use different materials and installation methods from conventional membrane roofs. Review substrate preparation, panel or foam installation, flashing, penetrations, seams, coatings, transitions, maintenance, and repairs.\u003c\/p\u003e\n\n\u003cp\u003eFor \u003cstrong\u003eSteep-Slope Roof Projects\u003c\/strong\u003e, study shingles, concrete and clay tile, metal roofing, and other steep-slope materials within the C-39 scope. Review underlayment, flashing, valleys, hips, ridges, penetrations, edges, ventilation, fastening, layout, and repair practices.\u003c\/p\u003e\n\n\u003cp\u003eConcrete and clay tile systems require specialized preparation. Use the tile installation reference to review underlayment, layout, fasteners, flashing, roof penetrations, transitions, and installation details. Candidates should understand how the complete tile assembly manages water rather than thinking only about the visible roof tile.\u003c\/p\u003e\n\n\u003cp\u003eFlashing should be studied across both steep- and low-slope roofing. Roof-to-wall intersections, penetrations, chimneys, curbs, parapets, edges, valleys, and transitions are areas where water must be directed effectively. Understanding flashing principles is essential to preventing leakage.\u003c\/p\u003e\n\n\u003cp\u003eVentilation and moisture control are also important. Roof performance can be affected by attic or assembly ventilation, interior moisture, condensation, insulation, temperature differences, and the way the building enclosure manages air and moisture.\u003c\/p\u003e\n\n\u003cp\u003eReroofing deserves specific review because existing conditions influence how new work is planned. Candidates should understand the importance of inspecting existing materials, roof decks, flashing, drainage, penetrations, and structural conditions before installing a new roof assembly.\u003c\/p\u003e\n\n\u003cp\u003eThe 2022 California Building Code and 2022 California Residential Code can help candidates understand the construction requirements surrounding roof assemblies. The 2022 California Energy Code can support study of roof-related energy and insulation considerations.\u003c\/p\u003e\n\n\u003cp\u003eFor \u003cstrong\u003eSafety\u003c\/strong\u003e, give substantial attention to fall protection. Roofing workers routinely work at heights, near roof edges, around openings, and on sloped surfaces. Review personal fall-protection systems, access, ladders, scaffolding, roof openings, material staging, housekeeping, and protection of people below the work.\u003c\/p\u003e\n\n\u003cp\u003eElectrical hazards can also be present around overhead conductors, equipment, temporary power, tools, and rooftop mechanical systems. Study safe work practices and recognize when roofing operations create additional electrical exposure.\u003c\/p\u003e\n\n\u003cp\u003eMaterial handling is another important safety topic. Roofing materials can be heavy, bulky, sharp, hot, or difficult to control in windy conditions. Proper lifting, staging, access, and housekeeping contribute to safer roofing operations.\u003c\/p\u003e\n\n\u003cp\u003eBecause the C-39 examination is closed book, active recall should be part of the study process. After reviewing a roof system, close the book and explain the installation sequence. Draw a basic flashing detail, calculate quantities, or describe how you would prepare and repair a particular roof condition.\u003c\/p\u003e\n\n\u003cp\u003eStudy all major roof systems, including those outside your normal work experience. The examination can cover a broad range of roofing materials and methods, so balanced preparation can help reduce gaps in knowledge.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eHow 1 Exam Prep Helps You Reach Your Goal\u003c\/h2\u003e\n\n\u003cp\u003e1 Exam Prep helps candidates approach the California Roofing (C-39) contractor examination with a more organized study structure. The online course brings together planning, estimating, roof preparation, low-slope systems, steep-slope systems, reroofing, flashing, ventilation, calculations, and safety into a focused preparation process.\u003c\/p\u003e\n\n\u003cp\u003eTrade-focused review helps candidates understand roofing systems as complete assemblies. Instead of memorizing individual materials, candidates can study how roof decks, insulation, underlayment, roof coverings, membranes, flashing, penetrations, ventilation, drainage, and terminations work together.\u003c\/p\u003e\n\n\u003cp\u003eThe course also supports practice-oriented preparation. C-39 examination questions may require you to calculate a roof area, determine material quantities, identify an installation sequence, recognize the cause of a roofing problem, select an appropriate repair method, or determine the safest response to a job-site condition.\u003c\/p\u003e\n\n\u003cp\u003eReference navigation can strengthen preparation even though the actual examination is closed book. Candidates can use the California codes, tile installation manual, NRCA roofing manuals, and Cal\/OSHA references to deepen their understanding of subjects that require additional study.\u003c\/p\u003e\n\n\u003cp\u003e1 Exam Prep also helps candidates identify weaker areas. A residential shingle roofer may need more review of membrane or SPF systems. A commercial roofer may need additional preparation involving tile, steep-slope systems, or residential requirements. An experienced roofing contractor may still benefit from additional study of estimating, energy requirements, or fall protection.\u003c\/p\u003e\n\n\u003cp\u003eThe objective is to build a consistent study routine that combines organized lessons, roofing-focused review, reference study, calculations, active recall, and safety preparation. No exam prep course can guarantee a passing result or license approval, but disciplined study can help candidates approach the California C-39 examination with stronger familiarity with the material.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eFAQ Section\u003c\/h2\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWhat does the California C-39 Roofing classification cover?\u003c\/h2\u003e\n\u003cp\u003eThe C-39 classification covers roofing, waterproofing, weatherproofing, and related installation and repair work used to prevent water and weather from penetrating protected structures.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eIs the California C-39 trade examination open book?\u003c\/h2\u003e\n\u003cp\u003eNo. The California Roofing (C-39) trade examination is closed book. Reference materials cannot be used during the trade test.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWhat subjects are covered on the C-39 exam?\u003c\/h2\u003e\n\u003cp\u003eThe examination covers Planning and Estimating, Job Site Preparation for Roof Projects, Low-Slope Roof Projects, Steep-Slope Roof Projects, and Safety.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWhat is the largest section of the C-39 examination?\u003c\/h2\u003e\n\u003cp\u003eSteep-Slope Roof Projects represent approximately 26% of the examination. This area includes flashing, ventilation, underlayment, steep-slope roof-system installation, and repairs.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eDoes the C-39 examination include low-slope roofing?\u003c\/h2\u003e\n\u003cp\u003eYes. Low-Slope Roof Projects represent approximately 17% of the examination and include flashing, ventilation, low-slope systems, membrane roofing, and repairs.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eDoes the C-39 exam cover fall protection?\u003c\/h2\u003e\n\u003cp\u003eYes. Safety represents approximately 22% of the examination, and fall protection is an important part of roofing safety preparation.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eCan I use the NRCA manuals during the C-39 examination?\u003c\/h2\u003e\n\u003cp\u003eNo. The C-39 trade examination is closed book. The NRCA manuals, California codes, tile installation manual, and safety references are intended for preparation before test day.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eHow much qualifying experience is generally required?\u003c\/h2\u003e\n\u003cp\u003eThe qualifying individual generally needs at least four years of qualifying experience in the C-39 classification during the applicable period before applying. The experience must satisfy CSLB requirements for qualifying roofing or supervisory work.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eIs workers' compensation required for a California C-39 roofing contractor?\u003c\/h2\u003e\n\u003cp\u003eYes. Active C-39 Roofing contractors are required to maintain workers' compensation insurance or qualifying self-insurance.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eDo C-39 applicants also take the California Law and Business examination?\u003c\/h2\u003e\n\u003cp\u003eApplicants who are required to take examinations generally must pass both the C-39 Roofing trade examination and the California Law and Business examination unless an applicable examination waiver applies.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eHow should I use the online course with the roofing references?\u003c\/h2\u003e\n\u003cp\u003eUse the course to organize your preparation around the major C-39 examination areas, then consult the applicable code or roofing manual for deeper study. Because the examination is closed book, return to the course afterward and practice recalling installation procedures, calculations, repair methods, and safety concepts without using the references.\u003c\/p\u003e","brand":"1 Exam Prep","offers":[{"title":"Default Title","offer_id":50621947445305,"sku":null,"price":295.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1789\/0861\/files\/CATRADECOURSE-ROOFING_C-39.jpg?v=1791919138","url":"https:\/\/1examprep.com\/products\/california-roofing-c-39-contractor-licensing-exam-prep-online-course","provider":"1 Exam Prep","version":"1.0","type":"link"}