Prepare for the Nevada Sheet Metal Contractor (C-13) examination with a comprehensive exam book package covering mechanical code requirements, building-code provisions, duct construction, architectural sheet metal, fabrication practices, and construction safety. This package combines the Uniform Mechanical Code, 2018 and International Building Code, 2018, which are allowed into the open-book trade examination, with additional study references used to build the technical knowledge needed for the C-13 exam.
The Nevada C-13 Sheet Metal Contractor examination is an open-book test. The Uniform Mechanical Code, 2018 and International Building Code, 2018 are the exam-room-approved references included in this package. The HVAC duct construction standard, sheet metal reference, architectural sheet metal manual, and OSHA construction safety reference are included for study but are not allowed into the trade examination room.
The Nevada C-13 examination contains 60 questions, allows 2.5 hours for completion, and requires 42 correct answers to pass. The examination covers Ducts; Chimneys, Flues, and Vents; Hoods, Ventilation, Equipment, and Food Service Equipment; Metal Roofing Systems, Flashing, and Architectural Metals; Gutters and Downspouts; Tools and Equipment; and Safety.
The C-13 classification covers the fabrication and installation of sheet metal, including cornices, flashings, gutters, leaders, downspouts for rainwater, pans, food service equipment, ducts, louvers, patented chimneys, flues, and metal roof systems. The classification does not include fabrication or installation of equipment that uses refrigeration as an integral part of the system.
Because sheet metal contracting involves both fabrication and installation, candidates should prepare for questions that connect field installation with practical trade knowledge. Understanding duct systems, ventilation, hoods, flashings, roofing metals, gutters, chimneys, tools, and fabrication methods is essential for a balanced Nevada C-13 study plan.
This exam book package brings those subjects together so candidates can organize preparation around the major examination categories while practicing with the same mechanical and building codes that are allowed into the testing room.
The Nevada C-13 Sheet Metal Contractor examination contains 60 questions. Candidates are allowed 2.5 hours to complete the examination and must answer 42 questions correctly to pass.
The examination content is divided into the following subject areas:
Ducts is the largest examination category with 20 questions. Candidates should spend substantial preparation time on duct construction, fittings, reinforcement, supports, connections, dimensions, materials, installation methods, and mechanical code requirements.
Hoods, Ventilation, Equipment, and Food Service Equipment and Metal Roofing Systems, Flashing, and Architectural Metals each account for 10 questions. Together, these areas represent a significant portion of the examination and require candidates to understand both mechanical ventilation and exterior sheet metal applications.
Chimneys, Flues, and Vents accounts for 8 questions. Candidates should understand venting arrangements, clearances, materials, installation requirements, and the code relationships that apply to mechanical systems.
Gutters and Downspouts, Tools and Equipment, and Safety make up the remaining questions. Although they represent smaller sections individually, these subjects should not be overlooked because a few correct answers can make a meaningful difference on a 60-question examination.
The Nevada C-13 Sheet Metal Contractor examination is an open-book test.
The references included in this package that are allowed into the trade examination are:
The following references are included for study but are not allowed into the trade examination room:
Candidates should use the Uniform Mechanical Code and International Building Code throughout preparation rather than waiting until the final days before the examination. Regular navigation practice helps build familiarity with chapters, definitions, tables, exceptions, indexes, and cross-references.
With 60 questions in 2.5 hours, candidates have approximately two and a half minutes per question on average. Efficient code use matters. Before opening a book, identify whether the question is primarily about ducts, ventilation, chimneys, roof systems, flashing, or another subject, then navigate to the most likely code location.
The study-only references should be used to build retained trade knowledge. Duct construction methods, sheet metal fabrication, architectural details, and OSHA safety principles should become familiar enough that candidates do not depend on having those books available during the examination.
Nevada identifies C-13 as the specialty classification for using sheet metal. The classification covers fabrication and installation of sheet metal across a range of construction applications.
The authorized scope includes cornices, flashings, gutters, leaders, rainwater downspouts, pans, food service equipment, ducts, louvers, patented chimneys, flues, and metal roof systems.
The C-13 classification does not include fabrication or installation of equipment that uses refrigeration as an integral part of the system. Candidates should understand this boundary when distinguishing sheet metal work from refrigeration and air-conditioning work.
Because the classification spans mechanical, architectural, roofing, drainage, and food service applications, candidates need a broad understanding of sheet metal fabrication and installation rather than concentrating on ductwork alone.
The C-13 trade examination is one component of Nevada contractor licensing. Applicants must also satisfy applicable experience, application, business and law, financial, and other licensing requirements before a contractor license is issued.
A strong Nevada C-13 preparation plan should begin with Ducts because this category represents 20 of the 60 examination questions. Review duct materials, construction, reinforcement, fittings, transitions, elbows, supports, connections, and installation practices.
Use the HVAC Duct Construction Standards to strengthen technical knowledge of metal and flexible duct systems. Since this reference is not allowed into the exam room, gradually transition from book-supported study to active recall and practice questions.
Hoods, Ventilation, Equipment, and Food Service Equipment should receive significant attention. Review ventilation concepts, exhaust systems, hoods, clearances, duct arrangements, and the requirements that apply to food service and mechanical installations.
The Uniform Mechanical Code, 2018 is especially important for these mechanical subjects. Practice finding applicable provisions using the index, table of contents, chapter headings, definitions, and tables.
Chimneys, Flues, and Vents should include materials, sizing concepts, installation, clearances, terminations, and relationships among equipment, vent systems, and surrounding construction.
Metal Roofing Systems, Flashing, and Architectural Metals accounts for 10 questions. Review metal roof assemblies, flashings, edges, penetrations, roof-to-wall conditions, joints, transitions, architectural sheet metal details, and weatherproofing practices.
The SMACNA Architectural Sheet Metal Manual can help candidates build practical familiarity with sheet metal details used to manage water and protect exterior building surfaces.
Gutters and Downspouts accounts for 5 questions. Review collection and drainage of rainwater, gutter profiles, joints, supports, outlets, leaders, downspouts, and connections between roof drainage components.
Tools and Equipment should include common measuring, cutting, bending, forming, joining, fastening, and fabrication tools. Candidates should understand which tools are appropriate for different sheet metal operations.
Safety should remain part of regular preparation even though it contains only 3 questions. Sheet metal work can involve sharp edges, elevated work, ladders, scaffolds, power tools, material handling, and fabrication equipment.
Because OSHA is a study-only reference, use it to build knowledge that can be recalled without the book. Practice recognizing hazards and choosing appropriate safe-work methods.
The International Building Code, 2018 should be reviewed alongside architectural sheet metal subjects. Candidates should practice locating requirements affecting roof systems, building construction, penetrations, flashing, exterior applications, and related structural conditions.
Timed code-navigation drills are useful. Select a topic such as ductwork, ventilation, roof flashing, chimneys, or metal roofing and locate the applicable section under a time limit.
For the study-only books, active recall can improve retention. Review a technical topic, close the reference, then explain the construction sequence, material requirement, or fabrication method from memory before checking the book again.
As preparation progresses, move from isolated subjects to mixed practice. The examination can shift quickly from ducts to flashing, ventilation, tools, gutters, chimneys, or safety, so candidates should become comfortable changing topics while maintaining pace.
Time management is also important. With 60 questions in 2.5 hours, spending too long on one difficult code lookup can reduce the time available for easier questions. Answer familiar items efficiently, use targeted code lookups when needed, and return to difficult questions after completing faster items.
1 Exam Prep supports Nevada C-13 Sheet Metal Contractor candidates through organized study guidance, trade-focused review, practice-oriented preparation, reference navigation, and confidence-building study structure.
This exam book package combines the two exam-room-approved code books with technical references covering duct construction, practical sheet metal work, architectural sheet metal, and OSHA safety. Together, these materials support preparation across the full range of C-13 examination subjects.
Reference-navigation practice with the Uniform Mechanical Code and International Building Code can help candidates become more comfortable moving through the books under timed conditions. Repeated use also helps connect code requirements to practical sheet metal topics.
The study-only references provide deeper technical review for duct fabrication, sheet metal layout, architectural details, tools, and safety. Because these books are not available during the trade exam, preparation should focus on understanding and retaining the principles they teach.
Practice-oriented review can help candidates identify whether a missed question comes from weak duct knowledge, code-navigation difficulty, uncertainty about architectural metals, ventilation concepts, tools, or safety procedures.
The goal is to help candidates approach the Nevada C-13 Sheet Metal Contractor examination with stronger trade knowledge, better code familiarity, improved reference-navigation skills, and a structured study routine without guaranteeing a passing score or licensing approval.
The Nevada C-13 Sheet Metal Contractor examination contains 60 questions.
Candidates are allowed 2.5 hours to complete the examination.
Candidates must answer 42 questions correctly to pass the Nevada C-13 Sheet Metal Contractor examination.
Yes. The Nevada C-13 Sheet Metal Contractor examination is an open-book test.
The Uniform Mechanical Code, 2018 and International Building Code, 2018 are the exam-room-approved references included in this package.
No. HVAC Duct Construction Standards, Metal and Flexible, 2005, 3rd Edition is included as a study reference but is not allowed into the trade examination.
No. The Sheet Metal reference included in this package is a study-only book and is not allowed into the trade examination.
No. The SMACNA Architectural Sheet Metal Manual is included for study but is not allowed into the C-13 trade examination.
No. OSHA 29 CFR Part 1926 is included as a study reference but is not allowed into the trade examination.
Ducts is the largest examination category with 20 questions.
Yes. Hoods, Ventilation, Equipment, and Food Service Equipment accounts for 10 questions.
Yes. Metal Roofing Systems, Flashing, and Architectural Metals accounts for 10 questions.
Yes. Chimneys, Flues, and Vents accounts for 8 questions.
Yes. Gutters and Downspouts accounts for 5 questions.
Yes. Regular practice with the Uniform Mechanical Code, 2018 and International Building Code, 2018 can help candidates improve navigation speed and become more familiar with the sections relevant to sheet metal contracting.
No. This package provides exam and study references designed to support organized preparation. Examination results depend on each candidate's experience, sheet metal knowledge, study, code-navigation skills, and performance on test day.