Oklahoma Sheet Metal Contractor Exam Prep - Live Virtual + Self Study Training

Prepare for the Oklahoma Sheet Metal Contractor licensing examinations with a structured combination of live virtual instruction and self-study training. This program is designed for sheet metal professionals pursuing the Oklahoma Sheet Metal Contractor license and focuses on duct systems, fabrication, installation, ventilation, exhaust systems, appliance venting, combustion air, duct sizing, plan reading, OSHA construction safety, and contractor Business and Law preparation.

The Oklahoma Sheet Metal Contractor license is regulated by the Oklahoma Construction Industries Board as a mechanical contractor classification. The license authorizes qualifying contractors to install, alter, modify, service, maintain, or repair ferrous and nonferrous duct and exhaust systems. Candidates should be prepared to demonstrate technical knowledge of sheet metal construction as well as the business, legal, and regulatory responsibilities associated with operating a mechanical contracting business.

Live Virtual + Self Study Training provides two complementary ways to prepare. Live virtual instruction helps organize the examination into focused technical subjects and gives candidates a structured way to work through the books used for the test. Self-study provides additional time for duct sizing, plan reading, fabrication details, ventilation, exhaust systems, safety, and open-book reference navigation.

The technical study references include the Ductulator, International Mechanical Code, 2018; Fibrous Glass Duct Construction Standards, Fifth Edition, 2002; Code of Federal Regulations - 29 CFR Part 1926 (OSHA); HVAC Duct Construction Standards, Metal and Flexible, 2005, 3rd Edition; and Sheet Metal, 2nd Edition. Contractor Business and Law preparation also uses the listed Oklahoma mechanical statutes, administrative rules, lien law, workers' compensation law, and NASCLA contractor business reference.

Because the Oklahoma Sheet Metal Contractor examination is open book, candidates should become comfortable navigating the technical references before examination day. Open-book preparation works best when students know which book applies to a question and can quickly locate a duct detail, code section, sizing aid, safety requirement, or installation standard.

Exam Details

The Oklahoma Sheet Metal Contractor examination is administered through PSI after the Oklahoma Construction Industries Board determines that an applicant satisfies the applicable licensing qualifications and is eligible for testing.

• Exam: Oklahoma Sheet Metal Contractor
• Number of Questions: 60 scored questions
• Passing Score: 70%
• Passing Raw Score: 42 correct answers
• Time Allowed: 120 minutes
• Testing Provider: PSI

The examination covers seven major technical categories:

• General Knowledge: 13 questions
• Duct Sizing, Design, and Hanging and Support Requirements: 6 questions
• Duct Fabrication and Installation: 13 questions
• Plenums: 6 questions
• Appliance Venting and Combustion Air: 5 questions
• Ventilation and Exhaust Devices: 14 questions
• Safety: 3 questions

Ventilation and Exhaust Devices is the largest individual category with 14 questions. Candidates should review device selection and installation, exhaust ducts, exhaust-system terminations, exhaust fans, auxiliary equipment, solid-fuel systems, and downdraft appliance ventilation.

General Knowledge contains 13 questions and includes tools and equipment, materials, welding, blueprints and plan reading, air properties and behavior, and testing, adjusting, and balancing. Candidates should understand both field practices and the terminology used in sheet metal and air-distribution work.

Duct Fabrication and Installation also contains 13 questions. This category includes rectangular metal ducts, oval and flexible metal ducts, fiberglass ducts, duct accessories, and exterior components. Preparation should include fabrication standards, reinforcement, joining methods, construction requirements, and installation details.

Duct Sizing, Design, and Hanging and Support Requirements contains six questions. Candidates should practice using the Ductulator, interpreting duct dimensions, understanding design concepts, and locating requirements for hangers and supports.

Plenums contains six questions. Candidates should understand the construction and installation considerations associated with supply, return, and other air-handling plenums.

Appliance Venting and Combustion Air contains five questions. Study areas include venting and combustion-air sizing, clearance to combustibles, equipment installation, and vent and combustion-air supply termination.

Safety contains three questions covering contractor responsibilities, safety training, first-aid kits, personal protective equipment, signs and barricades, ladders, fall protection, lockout/tagout, and safety data information.

Sheet Metal Contractor candidates also prepare for the Oklahoma Mechanical Business and Law examination.

• Mechanical Business and Law Questions: 50 scored questions
• Passing Score: 70%
• Passing Raw Score: 35 correct answers
• Time Allowed: 120 minutes

Mechanical Business and Law preparation includes bidding and estimating, project management and supervision, contracts, financial management, labor and personnel, risk management, payroll and payroll taxes, liens, and Oklahoma mechanical licensing requirements.

Open Book Test

The Oklahoma Sheet Metal Contractor examination is an open-book test. Candidates may bring approved reference materials into the examination center while following the applicable PSI requirements.

The technical examination reference list includes the ACCA Ductulator; International Mechanical Code, 2018 with Oklahoma revisions; Fibrous Glass Duct Construction Standards, Fifth Edition, 2002; Code of Federal Regulations - 29 CFR Part 1926 (OSHA) with applicable amendments; HVAC Duct Construction Standards, Metal and Flexible, 2005, 3rd Edition; and Sheet Metal.

The PSI examination bulletin identifies the 1995 edition of Sheet Metal as the reference used to prepare the examination and permits later editions of non-code references in the test area. This training package uses the Sheet Metal, 2nd Edition reference supplied for preparation.

Approved reference materials may be highlighted, underlined, and indexed before testing. Permanent tabs are permitted. Temporary removable tabs such as Post-it notes are not allowed. Candidates may not add written notes to approved references before or during the examination session.

The Ductulator is particularly useful for duct-sizing preparation. Candidates should practice using it repeatedly so airflow and duct-size questions can be approached efficiently rather than learning the tool for the first time at the testing center.

The International Mechanical Code supports preparation for ventilation, exhaust, duct systems, appliance venting, combustion air, and other code-based mechanical requirements. Candidates should use the 2018 edition with applicable Oklahoma revisions for code questions.

The Fibrous Glass Duct Construction Standards and HVAC Duct Construction Standards support detailed study of duct fabrication, construction methods, materials, reinforcement, installation, and system components. Candidates should learn which technical subject is best addressed by each reference.

Open-book testing requires both sheet metal knowledge and book-navigation skills. A practical approach is to identify the question category, choose the correct reference, locate the applicable section or standard, and then evaluate the answer choices. Timed practice can help candidates improve this process.

Licensing Steps

The Oklahoma Construction Industries Board regulates Sheet Metal Contractor licensing as part of the mechanical industry. Contractor candidates must satisfy the applicable experience, application, examination, and active-license requirements.

1. Begin in the mechanical trade. Gain qualifying sheet metal experience while working within Oklahoma's mechanical licensing structure.
2. Maintain apprentice registration when required. Applicants using mechanical experience gained in Oklahoma toward licensing must maintain the applicable apprentice registration for qualifying experience.
3. Meet journeyman-level qualifications. Contractor applicants must first satisfy the applicable experience requirements for a mechanical journeyman license in the category being pursued.
4. Gain additional contractor-level experience. Mechanical contractor applicants must meet the same requirements as a journeyman plus one additional year of experience in the mechanical trade.
5. Submit the Mechanical Contractor License Application. Provide the Oklahoma Construction Industries Board with the required application and experience documentation.
6. Receive examination authorization. The Board reviews the application before the candidate proceeds to testing.
7. Schedule testing through PSI. Approved candidates arrange the Sheet Metal Contractor and applicable Business and Law examinations.
8. Prepare for the technical exam. Study duct sizing, fabrication, ventilation, exhaust, plenums, appliance venting, combustion air, plan reading, and OSHA safety.
9. Prepare for Mechanical Business and Law. Review estimating, contracts, project management, finances, personnel, risk management, liens, payroll, and mechanical licensing requirements.
10. Complete the required examinations. Meet the applicable passing requirements for contractor licensing.
11. Activate the contractor license. After successfully passing the required examinations, satisfy the applicable bond and insurance requirements for active contractor status.

State Requirements

An Oklahoma Sheet Metal Contractor license authorizes the licensee to install, alter, modify, service, maintain, or repair ferrous and nonferrous duct and exhaust systems. The contractor classification is the highest-ranking mechanical license within its category and carries responsibilities beyond those of a journeyman.

Applicants for a mechanical contractor license must meet the same underlying requirements as a journeyman and have one additional year of experience in the mechanical trade. Mechanical contractors must also be a permanent employee, owner, partner, or officer in the mechanical firm.

Journeyman qualification pathways include three years of verifiable mechanical trade experience in the applicable category or combinations of approved mechanical education and qualifying experience. Oklahoma also provides qualification pathways for certain military experience and qualifying out-of-state mechanical licenses.

For mechanical licensing purposes, one year of verifiable experience equals 2,000 hours. Applicants using experience gained in Oklahoma generally must maintain apprentice registration for the periods of experience they want counted toward licensing unless the experience was lawfully obtained under an applicable exception.

After the required examinations are passed, the contractor license remains inactive until the Oklahoma Construction Industries Board receives the required bond and insurance documentation. An active mechanical contractor must maintain a $5,000 corporate surety bond payable to the Oklahoma Construction Industries Board and provide evidence of at least $50,000 in commercial general liability insurance.

Mechanical contractors must keep required insurance current to maintain active status. Oklahoma also requires contractors to display the applicable license number on vehicles, advertising, contracts, and bids in accordance with Construction Industries Board requirements.

Mechanical contractors are subject to continuing-education requirements. Oklahoma requires six hours of approved mechanical continuing education every 36 months for maintaining the applicable license.

Reference Books

• Ductulator
  This duct-sizing tool supports preparation for airflow, duct sizing, design, and system-layout questions. Repeated practice helps candidates become comfortable using the Ductulator efficiently during open-book testing.
• International Mechanical Code, 2018
  This approved code reference supports preparation involving duct systems, ventilation, exhaust, appliance venting, combustion air, plenums, and other mechanical requirements. Candidates should prepare using the 2018 edition with applicable Oklahoma revisions.
• Fibrous Glass Duct Construction Standards, Fifth Edition, 2002
  This approved technical reference supports preparation involving fibrous-glass duct construction, fabrication methods, materials, installation, and related system requirements.
• Code of Federal Regulations - 29 CFR Part 1926 (OSHA)
  This approved construction-safety reference supports preparation involving contractor safety responsibilities, PPE, ladders, fall protection, lockout/tagout, warning signs, first aid, and other jobsite safety requirements.
• HVAC Duct Construction Standards, Metal and Flexible, 2005, 3rd Edition
  This approved SMACNA reference supports preparation involving rectangular, oval, flexible, and metal duct systems, reinforcement, fabrication, installation, hangers, supports, and duct accessories.
• Sheet Metal, 2nd Edition
  This sheet metal reference supports preparation for tools, materials, fabrication, welding, blueprint reading, sheet metal methods, and other trade knowledge applicable to the technical examination.
• Oklahoma Mechanical Licensing Act, Oklahoma Statutes, Title 59, Chapter 43A
  This statutory reference supports Mechanical Business and Law preparation involving Oklahoma mechanical licensing authority, license categories, contractor responsibilities, and regulated mechanical work.
• Oklahoma Mechanical Industry Regulations, Oklahoma Administrative Code, Title 158, Chapter 50
  This administrative reference supports study of Oklahoma mechanical apprentices, journeymen, contractors, licensing qualifications, experience requirements, and industry responsibilities.
• Oklahoma Fine Schedule of the Construction Industries Board, Oklahoma Administrative Code, Title 158, Chapter 10
  This reference supports contractor preparation involving Construction Industries Board enforcement and compliance requirements.
• Oklahoma Lien Law, Oklahoma Statutes, Title 42, Chapter 3
  This statutory material supports Business and Law preparation involving construction liens and payment-related contractor responsibilities.
• NASCLA Contractors Guide to Business, Law and Project Management, 14th Edition
  This contractor business reference supports preparation involving bidding, estimating, contracts, project management, financial management, personnel, insurance, risk management, and other business responsibilities.
• Oklahoma Workers' Compensation Act, Oklahoma Statutes, Title 85A, Chapter 1
  This statutory reference supports contractor Business and Law preparation involving workers' compensation and employer responsibilities.

Test Information and Study Materials

A productive Oklahoma Sheet Metal Contractor study plan should combine technical sheet metal knowledge, duct-system preparation, OSHA safety, Business and Law review, and repeated open-book navigation.

Prioritize ventilation and exhaust. Ventilation and Exhaust Devices is the largest individual category with 14 questions. Review exhaust ducts, terminations, fans, auxiliary equipment, solid-fuel systems, downdraft ventilation, and device installation.

Strengthen duct fabrication and installation. This category contains 13 questions. Study rectangular metal ducts, oval and flexible systems, fiberglass ducts, accessories, exterior components, joining methods, reinforcement, and installation standards.

Review general sheet metal knowledge. General Knowledge also contains 13 questions and includes tools, materials, welding, blueprints, plan reading, air properties, and testing, adjusting, and balancing.

Practice duct sizing. Use the Ductulator regularly and combine sizing practice with duct design, hanger, and support requirements. Becoming comfortable with the tool before test day can save valuable time.

Study appliance venting and combustion air. Review sizing, clearance to combustibles, equipment installation, and supply and termination requirements.

Prepare for OSHA safety. Review PPE, ladders, fall protection, lockout/tagout, signs and barricades, first-aid responsibilities, and other construction-safety topics relevant to sheet metal work.

Prepare separately for Mechanical Business and Law. Contractor candidates should dedicate study time to estimating, project oversight, contracts, financial topics, personnel, workers' compensation, risk management, liens, payroll, and Oklahoma licensing responsibilities.

Use timed reference-navigation drills. The technical exam provides 120 minutes for 60 scored questions. Practice recognizing the subject first and then moving directly to the appropriate reference instead of searching through multiple books.

Live Class Schedule

The live training schedule is organized around the books and technical references used on the exam. Click Here to View the Current Live Class Schedule.

Live virtual instruction gives candidates an organized way to work through duct systems, fabrication standards, mechanical code requirements, ventilation, exhaust, safety, and Business and Law. Self-study provides additional time to revisit difficult topics, practice sizing exercises, and strengthen open-book navigation.

How 1 Exam Prep Helps You Reach Your Goal

1 Exam Prep supports Oklahoma Sheet Metal Contractor candidates through organized study guidance, sheet metal trade-focused review, practice-oriented preparation, reference navigation, contractor Business and Law review, and confidence-building study structure.

Live virtual training helps divide the examination into manageable categories so candidates can work through general knowledge, duct sizing, fabrication, plenums, appliance venting, ventilation, exhaust, and safety in a structured format.

Self-study gives students time to reinforce weaker subjects. Candidates can practice using the Ductulator, review sheet metal fabrication standards, navigate the International Mechanical Code, study OSHA requirements, and revisit technical details between live training sessions.

Reference-navigation practice is especially important because the exam uses several specialized books. Students can develop a repeatable method for identifying the subject, choosing the correct reference, locating the applicable section or standard, and applying the information efficiently.

Contractor-focused Business and Law preparation helps candidates address responsibilities beyond technical sheet metal work, including estimating, project management, contracts, finances, personnel, risk management, workers' compensation, liens, and Oklahoma mechanical licensing requirements.

By combining live virtual instruction with independent self-study, technical trade review, reference-navigation practice, and contractor Business and Law preparation, 1 Exam Prep provides a structured path for professionals pursuing the Oklahoma Sheet Metal Contractor license.

Frequently Asked Questions

Is the Oklahoma Sheet Metal Contractor exam open book?

Yes. The Oklahoma Sheet Metal Contractor examination is open book. Candidates may use approved references while following the applicable PSI rules for examination materials.

How many questions are on the Oklahoma Sheet Metal Contractor exam?

The technical examination contains 60 scored questions. Candidates have 120 minutes and need a 70% passing score, corresponding to 42 correct answers.

What is the largest exam category?

Ventilation and Exhaust Devices is the largest category with 14 questions. General Knowledge and Duct Fabrication and Installation each contain 13 questions.

Does the exam include duct sizing?

Yes. Duct Sizing, Design, and Hanging and Support Requirements contains six questions. The ACCA Ductulator is an approved examination reference.

Does the exam include OSHA safety?

Yes. Safety is part of the technical examination, and Code of Federal Regulations - 29 CFR Part 1926 is an approved reference.

What work does an Oklahoma Sheet Metal Contractor license cover?

The Sheet Metal Contractor license authorizes the licensee to install, alter, modify, service, maintain, or repair ferrous and nonferrous duct and exhaust systems within the scope of Oklahoma mechanical licensing.

Do Sheet Metal Contractor candidates also prepare for Business and Law?

Yes. The Oklahoma Mechanical Business and Law examination contains 50 scored questions, allows 120 minutes, and requires a 70% passing score.

What experience is required to become a mechanical contractor?

Mechanical contractor applicants must meet the applicable journeyman qualification requirements and have one additional year of experience in the mechanical trade. Oklahoma recognizes several journeyman qualification pathways based on verifiable experience, approved education, military experience, or qualifying out-of-state licensure.

Does this program include live virtual and self-study training?

Yes. The program combines live virtual instruction with self-study for sheet metal technical subjects, mechanical code review, duct sizing, OSHA safety, Business and Law, and open-book navigation.

Where can I view the current live class schedule?

Visit the Live Class Schedule to view current training dates. The live training schedule is organized around the books and technical references used on the exam.