California Roofing (C-39) Contractor Licensing Exam Prep Ultimate Business & Trade Courses & Application Package

California Roofing (C-39) Contractor Licensing Exam Prep Ultimate Business & Trade Courses & Application Package

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California Roofing (C-39) Contractor Licensing Exam Prep Ultimate Business & Trade Courses & Application Package

Prepare for the California Roofing (C-39) contractor licensing examinations with an Ultimate Business and Trade package focused on roofing planning, estimating, job-site preparation, low-slope roof systems, steep-slope roof systems, flashing, ventilation, underlayment, reroofing, repairs, fall protection, California contractor business subjects, and licensing application support. This package combines C-39 Trade exam preparation, California Law and Business exam preparation, structured study guidance, reference navigation, 1 year of course access, and Application Service.

The California C-39 Roofing classification covers contractors who install roofing products and repair surfaces that seal, waterproof, and weatherproof structures. Roofing work is performed to prevent water and other materials from penetrating the protective roofing system and reaching the structure or spaces below.

The classification includes examining and preparing roof surfaces and working with materials such as asphaltum, pitch, tar, felt, glass fabric, urethane foam, metal roofing systems, flax, shakes, shingles, roof tile, slate, waterproofing materials, weatherproofing products, membranes, and combinations of roofing materials.

C-39 candidates should be prepared to work across both low-slope and steep-slope roofing systems. Exam preparation should include roof planning, estimating, tear-off procedures, substrate evaluation, flashings, ventilation, underlayments, membranes, shingles, tile, metal roofing, reroofing, repairs, fall protection, and general job-site safety.

The current C-39 trade examination is divided into Planning and Estimating at approximately 22%, Job Site Preparation for Roof Projects at approximately 13%, Low-Slope Roof Projects at approximately 17%, Steep-Slope Roof Projects at approximately 26%, and Safety at approximately 22%. Steep-Slope Roof Projects is the largest individual section, while Planning and Estimating and Safety are also major areas of the examination.

This Ultimate package also includes Law and Business Exam Preparation. Candidates can study California contractor licensing, contracts, business organization, financial management, employment, insurance, liens, public works, and contractor responsibilities while preparing for the technical C-39 examination.

What You Get

  • C-39 Roofing Trade Course: Preparation covering planning, estimating, roof tear-off, job-site preparation, low-slope roofing, steep-slope roofing, flashings, ventilation, underlayments, repairs, and safety.
  • Law and Business Exam Preparation: Preparation covering California contractor licensing, contracts, business operations, financial management, employment, insurance, liens, public works, and contractor responsibilities.
  • Trade-Focused Study Guidance: Organized review of roofing materials, surface preparation, waterproofing, weatherproofing, reroofing, flashing, drainage, ventilation, underlayment, repairs, and fall protection.
  • Reference Navigation: Guidance for working with California building, energy, residential, roofing-system, tile-installation, NRCA, and Cal/OSHA safety references during study.
  • Course Access: 1 year of course access.
  • Application Service: Included with this package.

Exam Details

The California Roofing (C-39) trade examination is organized into five major content areas.

  • Planning and Estimating — 22%
    This section includes planning roof projects and estimating roofing work, including materials, labor, project conditions, roof measurements, and job requirements.
  • Job Site Preparation for Roof Projects — 13%
    This section includes protecting surrounding areas, correcting existing roof or substrate problems, and tearing off existing roofing materials.
  • Low-Slope Roof Projects — 17%
    This section includes installing flashings, ventilation, and underlayment; installing different low-slope roofing systems; and repairing low-slope roofs.
  • Steep-Slope Roof Projects — 26%
    This section includes installing flashings, ventilation, and underlayment; installing different steep-slope roofing systems; and repairing steep-slope roofs.
  • Safety — 22%
    This section includes personnel safety, job-site safety, and fall protection associated with roofing work.

Steep-Slope Roof Projects is the largest individual examination section at approximately 26%. Planning and Estimating and Safety each represent approximately 22%, Low-Slope Roof Projects approximately 17%, and Job Site Preparation for Roof Projects approximately 13%.

The C-39 examination uses multiple-choice questions with four answer choices and one best answer. Some questions require mathematical computation, and a calculator is provided during testing. There is no penalty for guessing, so candidates should attempt every question.

Roofing calculations can involve roof area, slope, material quantities, waste, flashing, underlayment, tile, shingles, membrane coverage, labor, equipment, and project costs. Candidates should be comfortable converting field dimensions into practical roofing quantities.

Closed Book Test

The California Roofing (C-39) trade examination is a closed-book examination. Candidates cannot use the California Building Code, California Energy Code, California Residential Code, roofing manuals, tile installation manuals, NRCA references, Cal/OSHA safety materials, notes, or other study resources during testing.

The California Law and Business examination is also a closed-book examination. Candidates should prepare to recall and apply contractor licensing, contract, financial, employment, insurance, lien, public works, and business-management concepts without relying on outside materials.

Closed-book preparation should emphasize understanding roofing systems rather than relying on reference lookup. Candidates should be able to recognize correct roofing assemblies, determine appropriate preparation steps, identify flashing and underlayment requirements, understand low-slope and steep-slope systems, evaluate common roof defects, and apply safe work practices from memory.

The listed references remain valuable during study because they provide technical guidance for roofing assemblies, structural conditions, energy-related roofing considerations, residential work, tile installation, reroofing, membrane systems, metal roofing, flashing, and safety.

Licensing Steps

The California Contractors State License Board administers the C-39 Roofing contractor classification and the associated contractor licensing process.

  1. Meet applicable CSLB licensing qualifications. The qualifying individual must satisfy California contractor licensing requirements relating to age, identification, and qualifying experience.
  2. Document qualifying C-39 experience. The qualifier must provide qualifying roofing experience through the CSLB application process.
  3. Prepare the contractor license application. The application identifies the business entity, qualifying individual, and requested C-39 classification.
  4. Use the included Application Service. Application Service is included with this Ultimate package to support preparation of the California contractor licensing application.
  5. Complete CSLB application review. CSLB reviews the submitted application and determines the applicable examination and licensing requirements.
  6. Complete applicable fingerprinting requirements. Individuals required to provide fingerprints must complete the applicable process.
  7. Complete applicable contractor licensing requirements. Additional requirements associated with the applicant, qualifying individual, and business entity must be satisfied during the licensing process.
  8. Complete the Law and Business examination requirement. Qualifying individuals generally must pass the California Law and Business examination unless an applicable waiver or exemption applies.
  9. Complete the C-39 Roofing examination requirement. Qualifying individuals generally must pass the Roofing trade examination unless an applicable waiver or exemption applies.
  10. Complete remaining license issuance requirements. After applicable application and examination requirements are satisfied, remaining CSLB requirements must be completed before license issuance.

State Requirements

California defines a C-39 Roofing contractor as a contractor who installs products and repairs surfaces that seal, waterproof, and weatherproof structures. The purpose of this work is to prevent water or related materials from penetrating the protected surface and entering the structure or spaces below.

The classification allows roofing contractors to examine and prepare roof surfaces and work with a wide variety of roofing and waterproofing materials. These include asphaltum, pitch, tar, felt, glass fabric, urethane foam, metal roofing systems, flax, shakes, shingles, roof tile, slate, membrane materials, and other roofing, waterproofing, or weatherproofing products.

Roof preparation is an important part of the trade because the condition of the deck, sheathing, substrate, existing roofing, flashing, drainage, and penetrations can affect the performance of the completed roof system.

Reroofing work can require evaluation of existing roofing layers, damaged substrate, flashings, roof penetrations, drainage conditions, ventilation, insulation, and other elements before new materials are installed.

Low-slope roofing systems depend heavily on water management. Membrane integrity, drainage, seams, flashing, penetrations, edge conditions, and proper substrate preparation all influence system performance.

Steep-slope roofing systems rely on proper sequencing of underlayment, flashing, roof-covering materials, ventilation, penetrations, valleys, ridges, hips, edges, and related components.

Fall protection is especially important in roofing because workers routinely operate at elevation and near roof edges. Candidates should understand safe access, ladders, scaffolds, personal fall-protection systems, housekeeping, material staging, and roof-surface hazards.

Reference Books

  • Included Book: 2022 California Building Code
    A California construction reference supporting study of roof assemblies, weather protection, fire-related conditions, structural coordination, reroofing, roof coverings, and other building requirements that can affect roofing work.
  • Included Book: 2022 California Energy Code, Title 24, Part 6
    A California energy reference supporting preparation involving roofing-related energy requirements, insulation, roof assemblies, and energy-efficiency considerations.
  • Included Book: 2022 California Residential Code
    A residential construction reference supporting study of roof coverings, underlayment, flashing, ventilation, reroofing, structural conditions, and residential roofing assemblies.
  • Included Book: Concrete and Clay Tile Installation Manual, 2015
    A roofing reference supporting study of concrete and clay tile roof installation, underlayment, flashing, fastening, layout, accessories, and related tile-roofing practices.
  • Included Book: NRCA Roofing Manual: Architectural Metal Flashing, Condensation and Air Leakage Control, and Reroofing
    A roofing-industry reference supporting preparation involving metal flashing, condensation control, air leakage, roof transitions, reroofing considerations, and related detailing.
  • Included Book: NRCA Roofing Manual: Steep-Slope Roof Systems
    A reference supporting study of steep-slope roofing systems, including shingles, tile, metal, underlayments, flashings, ventilation, installation details, and repairs.
  • Included Book: NRCA Roofing Manual: Metal Panel and SPF Roof Systems
    A technical reference supporting preparation involving metal panel roofing, spray polyurethane foam roofing, installation practices, system components, details, and repairs.
  • Included Book: NRCA Roofing Manual: Membrane Roofing Systems
    A reference supporting study of low-slope membrane roofing systems, materials, substrates, flashings, seams, penetrations, drainage, installation, and repair practices.
  • Included Book: Cal/OSHA General Industry & Electrical Safety Orders
    A California workplace-safety reference supporting study of PPE, electrical hazards, tools, machinery, material handling, workplace conditions, and employee protection.
  • Included Book: Cal/OSHA Construction & Electrical Safety Orders
    A California construction-safety reference supporting preparation involving fall protection, ladders, scaffolds, electrical hazards, tools, equipment, PPE, and roofing job-site safety.

Test Information and Study Materials

For Planning and Estimating, candidates should practice evaluating plans, roof dimensions, slopes, penetrations, access, existing conditions, substrate requirements, materials, labor, and equipment.

Roof measurements are fundamental to estimating. Candidates should understand how length, width, slope, roof geometry, hips, valleys, ridges, waste, and material coverage affect quantities.

Estimating can involve roofing materials, underlayment, flashing, fasteners, insulation, adhesives, membranes, tile, shingles, metal panels, disposal, labor, equipment, safety systems, and project overhead.

Planning should also consider staging, weather, access, protection of surrounding property, material delivery, tear-off, debris management, and sequencing with other trades.

For Job Site Preparation for Roof Projects, candidates should focus on protecting surroundings, correcting roof-related problems, and removing existing roofing when necessary.

Protection can include landscaping, walls, windows, vehicles, sidewalks, equipment, and areas below the roof. Tear-off operations can create falling debris, dust, sharp materials, and access hazards that require controlled work practices.

Existing roof conditions should be evaluated before installation. Damaged decking, deteriorated sheathing, poor drainage, failed flashing, moisture damage, uneven surfaces, and inadequate support can affect the new roof.

For Low-Slope Roof Projects, candidates should review membrane systems, flashings, drainage, underlayment where applicable, ventilation conditions, penetrations, seams, terminations, and repairs.

Low-slope roofing systems depend on continuous waterproofing. Small failures at seams, edges, penetrations, drains, or flashings can allow water into the assembly.

Candidates should understand the importance of drainage and roof slope. Ponding conditions and blocked drainage can increase stress on roofing systems and contribute to premature deterioration.

Membrane roof repairs often begin with identifying the actual source of water entry. The visible interior leak location may not be directly below the roof defect because water can travel within the assembly.

For Steep-Slope Roof Projects, candidates should focus on shingles, tile, metal systems, underlayments, flashing, ventilation, valleys, hips, ridges, penetrations, and repairs.

Underlayment forms an important secondary layer of weather protection beneath many steep-slope roof coverings. Proper installation, overlap, attachment, and detailing around penetrations and edges can affect roof performance.

Flashings are critical at roof transitions and penetrations. Chimneys, walls, valleys, plumbing vents, skylights, edges, and other interruptions in the roof surface require appropriate detailing to manage water.

Tile roofing requires attention to layout, fastening, underlayment, flashing, loading, cutting, accessories, and roof geometry. Candidates should understand why the supporting roof assembly and water-shedding details are important even when the tile itself appears intact.

Shingle systems require correct alignment, exposure, fastening, underlayment, flashing, starter materials, ridge treatment, and ventilation. Improper fastening or layout can affect both appearance and weather resistance.

Metal roofing requires knowledge of panels, seams, fastening, expansion and contraction, flashings, penetrations, edges, and compatible materials.

For Safety, candidates should give particular attention to fall protection. Roofing work commonly places workers near unprotected edges, openings, ladders, scaffolds, and sloped surfaces.

Safe roof access is important. Ladders should be properly selected, positioned, secured, and used. Workers should also understand safe movement between ladders and roof surfaces.

Material staging can affect roof safety because roofing bundles, tile, tools, and equipment add weight and can create trip or movement hazards. Materials should be positioned with consideration for access and roof conditions.

Weather can create additional hazards. Rain, moisture, wind, heat, and changing surface conditions can affect traction, material handling, equipment operation, and worker exposure.

PPE can include fall-protection equipment, eye protection, gloves, footwear, hearing protection, and respiratory protection depending on the task. Candidates should understand how hazards determine appropriate protection.

The Law and Business examination requires dedicated preparation in addition to C-39 technical study. Candidates should review contractor licensing, business organization, contracts, financial management, employment, insurance, liens, public works, payments, and contractor safety responsibilities.

Because both examinations are closed book, candidates should regularly practice applying roofing planning, estimating, low-slope systems, steep-slope systems, flashing, reroofing, repairs, fall protection, and contractor business knowledge without relying on the listed references. Reference-based study followed by closed-book practice can help strengthen recall and exam familiarity.

How 1 Exam Prep Helps You Reach Your Goal

1 Exam Prep helps candidates prepare for the California Roofing (C-39) contractor licensing process through an organized Ultimate package combining Business and Trade courses, Application Service, reference navigation, practice-oriented preparation, and structured study guidance.

The C-39 Trade course helps candidates work systematically through planning, estimating, site preparation, tear-off, low-slope roofing, steep-slope roofing, flashings, ventilation, underlayments, membranes, shingles, tile, metal systems, repairs, and safety.

The Business course supports preparation for California Law and Business subjects, including contractor licensing, contracts, business organization, finances, employment, insurance, liens, public works, payments, and contractor responsibilities.

Reference navigation helps candidates work with California building, energy, and residential code materials, concrete and clay tile installation guidance, NRCA roofing manuals, and Cal/OSHA safety resources during preparation.

The Ultimate package includes 1 year of course access, providing time to organize preparation across planning, low-slope roofing, steep-slope roofing, reroofing, repairs, fall protection, and contractor business subjects. Application Service is included to support the California contractor licensing application process.

No exam preparation package can guarantee a passing examination result or contractor license approval. Organized C-39 study, estimating practice, roofing-system review, closed-book preparation, reference navigation, and structured application support can help candidates approach the California licensing process with stronger familiarity and preparation.

FAQ Section

What is included with the California C-39 Ultimate package?

The package includes C-39 Roofing Trade exam preparation, Law and Business exam preparation, reference-based study support, 1 year of course access, and Application Service.

How long is course access included?

The Ultimate package includes 1 year of course access.

Is Application Service included?

Yes. Application Service is included with this Ultimate package.

Does the package include Law and Business exam preparation?

Yes. California Law and Business exam preparation is included along with C-39 Roofing Trade preparation.

Is the California C-39 examination open book?

No. The California C-39 Roofing trade examination is closed book. Reference materials cannot be used during testing.

What subjects are covered on the C-39 examination?

The examination covers Planning and Estimating, Job Site Preparation for Roof Projects, Low-Slope Roof Projects, Steep-Slope Roof Projects, and Safety.

What is the largest section of the C-39 examination?

Steep-Slope Roof Projects is the largest individual section at approximately 26% of the examination.

Does the C-39 examination cover low-slope roofing?

Yes. Low-Slope Roof Projects represent approximately 17% of the examination and include flashings, ventilation, underlayment, roofing-system installation, and repairs.

Does the C-39 examination cover steep-slope roofing?

Yes. Steep-Slope Roof Projects represent approximately 26% of the examination and include installation and repair of steep-slope roofing systems along with flashings, ventilation, and underlayment.

Does the C-39 examination cover roof tear-off?

Yes. Tearing off existing roofing is specifically included within the Job Site Preparation for Roof Projects section.

Does the C-39 examination include fall protection?

Yes. Fall protection is specifically identified within the Safety section of the C-39 examination.

What work does a California C-39 Roofing contractor perform?

A C-39 contractor installs roofing products and repairs surfaces that seal, waterproof, and weatherproof structures. The classification covers a broad range of roof and waterproofing materials, including shingles, shakes, tile, slate, metal roofing, membranes, urethane foam, felt, and other weatherproofing systems.

Can I use the listed references during the C-39 examination?

No. The C-39 examination is closed book. The listed California codes, tile installation manual, NRCA roofing manuals, and Cal/OSHA safety references are intended for preparation before test day.

How should I prepare for the C-39 and Law and Business examinations?

Divide study time between roofing trade subjects and California contractor business topics. Review planning, estimating, job-site preparation, tear-off, low-slope roofing, steep-slope roofing, flashings, ventilation, underlayments, repairs, fall protection, and safety for the C-39 examination while studying licensing, contracts, finances, employment, insurance, liens, public works, and contractor responsibilities for Law and Business. Because both examinations are closed book, regular practice without reference materials is important.