New Mexico Roofing Contractor GS-21 Exam Book Package

New Mexico Roofing Contractor GS-21 Exam Book Package

The New Mexico Roofing Contractor GS-21 Exam Book Package is designed for candidates preparing for the New Mexico GS-21 Roofing Contractor trade exam who need the listed reference books for study and exam preparation. This package includes the construction safety, building code, residential code, roofing, estimating, and roof system references connected to the GS-21 Roofing Contractor examination.

Roofing contractor exams require more than general roofing experience. Candidates must be prepared to understand roofing systems, code requirements, jobsite safety, estimating principles, steep-slope roofing, membrane roofing, tile roofing, flashing, roof drainage, weather protection, and New Mexico-specific building code provisions. The GS-21 Roofing Contractor exam is open book, which means candidates should study directly from the references and become familiar with how each book is organized before exam day.

This book package supports candidates who want the required study materials in one place. The listed references include Code of Federal Regulations - 29 CFR Part 1926 (OSHA), New Mexico Commercial Building Code (NMAC 14.7.2), 2021, New Mexico Residential Building Code (NMAC 14.7.3), 2021, International Building Code, 2021, International Residential Code for One- and Two-Family Dwellings, 2021, Roofing Construction and Estimating, Daniel Atcheson, 1995, NRCA Roofing Manual: Steep Slope Roof Systems, NRCA Roofing Manual: Membrane Roofing Systems, and Concrete and Clay Tile Installation Manual, 2015.

Each reference plays a different role in exam preparation. OSHA standards support construction safety knowledge. The New Mexico building codes support state-specific requirements. The IBC and IRC provide model code foundations for commercial and residential roofing work. The roofing manuals support steep-slope and membrane roof system knowledge. The estimating reference supports roofing measurement, project planning, and material calculation concepts. Candidates should study these references actively and practice locating information quickly.

A strong GS-21 study routine should include reading the relevant sections, learning the organization of each book, reviewing roofing terminology, practicing reference lookup, and connecting field experience to written code and standard requirements. Since the test is timed, candidates should not wait until exam day to learn where information is located. Book familiarity is a major part of open-book exam preparation.

Exam Details

The New Mexico GS-21 Roofing Contractor trade exam is administered through PSI for New Mexico contractor licensing. Candidates must be approved before scheduling the examination. Once eligibility is granted, candidates can schedule the exam through PSI and complete the test by computer at an approved testing location.

The GS-21 Roofing Contractor trade exam includes 60 questions. Candidates are allowed 150 minutes to complete the examination. The required passing score is 75%, which equals 45 correct answers. Because the exam is timed, candidates should prepare to read carefully, determine which subject is being tested, and locate information efficiently in the approved references.

All Specialty Roofing - Commercial Contractor candidates are also required to pass the Business Management and Law for Contractors examination in addition to the GS-21 Roofing examination. The trade exam focuses on roofing knowledge, while the business and law requirement addresses contractor business responsibilities. Candidates should understand all testing and licensing requirements connected to the New Mexico roofing contractor classification they are pursuing.

The GS-21 Roofing Contractor exam may include questions related to roofing estimating, construction safety, roof coverings, steep-slope roof systems, membrane roofing, low-slope roof systems, tile roofing, flashing, waterproofing, insulation, roof drainage, materials, building code requirements, and jobsite practices. Candidates should be ready to work with both practical roofing knowledge and written code or manual requirements.

Since the exam includes 60 questions in 150 minutes, candidates have a limited amount of time for each question. A prepared candidate should be able to recognize whether a question is likely to come from OSHA, a New Mexico building code, the IBC, the IRC, a roofing manual, a tile installation manual, or the estimating reference. This decision-making skill improves with repeated use of the books before test day.

Open Book Test

The New Mexico GS-21 Roofing Contractor examination is an open book test. Candidates are responsible for bringing their own approved references to the examination center. The open-book format allows candidates to use approved materials, but it still requires preparation, pacing, and strong reference navigation skills.

Reference materials must be bound and may be highlighted, underlined, and indexed before the examination session. Permanent tabs are allowed. Temporary tabs, including Post-it notes, are not allowed and must be removed before the exam begins. Reference materials containing writing are not allowed into the examination, and candidates are not permitted to write in the references during the testing session.

Open-book testing can be challenging because the books are detailed and the exam time is limited. Candidates who are unfamiliar with the references may spend too much time searching for answers. Candidates who have practiced with the books can move more confidently between code sections, roofing manuals, safety standards, and estimating material.

The best preparation is active reference practice. Candidates should review a topic, locate the related section in the correct book, read the surrounding information, and understand how the requirement applies to roofing work. This helps build the speed and confidence needed for a timed open-book exam.

Licensing Steps

Candidates pursuing the New Mexico GS-21 Roofing Contractor classification should begin by following the approval process required for New Mexico contractor examinations. Candidates must be approved before scheduling through PSI. After approval is granted, the candidate can register for the examination, select an available testing date, and complete the required exam process.

A practical preparation path includes identifying the correct GS-21 Roofing Contractor classification, completing the required application or approval process, receiving examination eligibility, scheduling through PSI, reviewing the exam content and reference materials, studying consistently, and arriving at the test center with proper identification and approved references. Candidates should also review PSI testing rules before exam day so they understand check-in procedures and reference restrictions.

After passing the trade examination, candidates should complete any remaining requirements connected to New Mexico contractor licensing. Passing the GS-21 Roofing exam is an important step, but candidates are still responsible for meeting all applicable business, law, documentation, experience, financial, bonding, registration, and administrative requirements connected to the license.

Good organization helps throughout the licensing process. Candidates should keep application documents, eligibility notices, exam scheduling confirmations, testing information, score reports, and licensing correspondence together. Staying organized can reduce confusion and allow candidates to focus more attention on preparation.

State Requirements

New Mexico contractor licensing is connected to the Construction Industries Division of the New Mexico Regulation and Licensing Department. Roofing contractor candidates must follow the state’s licensing and examination process for the classification they are pursuing. The GS-21 Roofing Contractor trade exam is part of that process for candidates seeking the roofing classification.

New Mexico building code references are important because roofing work is governed by adopted construction codes and state amendments. The New Mexico Commercial Building Code and New Mexico Residential Building Code support the state-specific side of preparation. These references help candidates understand how roofing requirements are applied within New Mexico for commercial and residential structures.

The International Building Code and International Residential Code provide model code foundations for building construction. Roofing contractors should understand requirements related to roof assemblies, roof coverings, materials, slope, drainage, flashing, underlayment, fire classification where applicable, weather protection, and structural support. New Mexico amendments may affect how those provisions are applied in the state.

Safety is also an essential part of roofing contractor preparation. Roofing work involves fall hazards, ladders, scaffolds, personal protective equipment, material handling, weather exposure, electrical hazards, and other jobsite risks. OSHA construction standards in 29 CFR Part 1926 are included in the reference list and should be reviewed carefully by candidates preparing for the GS-21 Roofing Contractor exam.

Reference Books

• Code of Federal Regulations - 29 CFR Part 1926 (OSHA)
  This reference contains OSHA construction safety standards. Roofing candidates should use it to review jobsite safety, fall protection, ladders, scaffolds, hazard recognition, personal protective equipment, and safety responsibilities connected to construction work.
• New Mexico Commercial Building Code (NMAC 14.7.2), 2021
  This reference contains New Mexico commercial building code provisions and amendments. It supports preparation for roofing work governed by New Mexico commercial building code requirements.
• New Mexico Residential Building Code (NMAC 14.7.3), 2021
  This reference contains New Mexico residential building code provisions and amendments. It supports preparation for roofing work on residential structures in New Mexico.
• International Building Code, 2021
  The 2021 IBC provides model building code requirements for commercial building construction, including provisions that may relate to roof assemblies, materials, fire classification, drainage, structural support, and weather protection.
• International Residential Code for One- and Two-Family Dwellings, 2021
  The 2021 IRC provides model code requirements for one- and two-family dwellings, including residential roofing provisions, roof coverings, underlayment, flashing, ventilation, and related construction requirements.
• Roofing Construction and Estimating, Daniel Atcheson, 1995
  This roofing reference supports study of roofing construction methods, estimating practices, materials, measurements, project planning, and practical roofing job considerations.
• NRCA Roofing Manual: Steep Slope Roof Systems
  This manual supports study of steep-slope roof systems, materials, components, installation practices, and roofing assemblies commonly used on sloped roof applications.
• NRCA Roofing Manual: Membrane Roofing Systems
  This manual supports study of membrane roof systems, low-slope roofing methods, system components, installation considerations, and roof assembly details.
• Concrete and Clay Tile Installation Manual, 2015
  This reference supports study of concrete and clay tile roofing installation methods, underlayment, flashing, fastening, layout, and related tile roof system requirements.

Candidates should use these references as working study tools throughout preparation. Each book supports a different part of the exam. OSHA supports safety questions. The New Mexico codes and model codes support building code questions. The roofing manuals support system-specific roofing knowledge. The estimating book supports measurement, quantity, and planning concepts.

Book familiarity is especially important for the GS-21 Roofing Contractor exam. Candidates should learn how each reference is arranged, where important roofing topics are located, and which book is most likely to answer a specific type of question. A strong study plan should include repeated use of all listed references, not just casual reading.

Test Information and Study Materials

The New Mexico GS-21 Roofing Contractor exam is a timed, open-book trade examination. Candidates should prepare by reviewing roofing systems, code requirements, OSHA safety standards, estimating concepts, and installation practices. Since the exam includes practical roofing knowledge and reference-based questions, candidates should study with both field experience and book navigation in mind.

Safety should be one of the first areas of review. Roofing work presents serious hazards, especially falls from elevations. Candidates should study OSHA construction standards related to fall protection, ladders, scaffolds, personal protective equipment, hazard recognition, material handling, and jobsite responsibilities. Safety questions often require close reading because the correct answer may depend on a specific jobsite condition.

Code preparation should include both New Mexico codes and model codes. Candidates should review roofing requirements in the International Building Code and International Residential Code, then study how the New Mexico Commercial Building Code and New Mexico Residential Building Code relate to those model code provisions. Roofing questions may involve roof coverings, slope, underlayment, flashing, fire classification, ventilation, drainage, and weather resistance.

Steep-slope roofing preparation should include review of shingles, tile, underlayment, flashing, fasteners, slopes, valleys, ridges, eaves, penetrations, and ventilation. The NRCA steep-slope reference and the Concrete and Clay Tile Installation Manual support this portion of study. Candidates should understand how roofing materials are selected, installed, secured, and protected from water intrusion.

Membrane roofing and low-slope roof systems should receive dedicated study time. Candidates should review roof membranes, insulation, substrates, attachment methods, flashing, drainage, seams, penetrations, and roof assembly components. Low-slope roofing often involves different materials and installation concerns than steep-slope work, so candidates should study the differences carefully.

Estimating is also important for roofing contractor preparation. Roofing contractors must understand measurements, material quantities, waste factors, labor considerations, project planning, and cost-related decisions. Roofing Construction and Estimating supports preparation for questions involving roofing measurements, estimating methods, and practical project planning.

Candidates should also practice identifying which reference applies to each question. A fall protection question may point to OSHA. A residential roof covering question may point to the IRC or New Mexico Residential Building Code. A commercial roof assembly question may point to the IBC or New Mexico Commercial Building Code. A tile roofing question may point to the Concrete and Clay Tile Installation Manual. A low-slope system question may point to the NRCA membrane roofing manual. This recognition skill becomes stronger with repeated reference practice.

How 1 Exam Prep Helps You Reach Your Goal

1 Exam Prep helps candidates prepare with organized, trade-focused support designed around the way contractor exams are actually taken. For an open-book roofing contractor exam, preparation is not only about owning the correct books. It is about learning how to use those books, recognize key terms, locate information quickly, and connect practical roofing knowledge to written standards.

This book package supports that preparation by providing the listed references for the New Mexico Roofing Contractor GS-21 exam. Candidates can use the books to review roofing systems, safety standards, code provisions, estimating concepts, and installation requirements. Consistent use of the references helps candidates build stronger study habits and better test-day readiness.

1 Exam Prep’s approach is practical and exam-oriented. The goal is to help candidates reduce confusion, organize their preparation, and build confidence through repeated reference navigation and trade-focused review. Candidates still need to study consistently and understand the material, but having the proper references is a key part of preparing for the exam.

Roofing candidates often have hands-on experience but may not be used to working through code books, OSHA standards, estimating references, and technical roofing manuals under time pressure. 1 Exam Prep helps support that transition by encouraging structured study, reference familiarity, and practice-oriented preparation. With consistent effort, candidates can improve pacing, strengthen subject knowledge, and approach the GS-21 Roofing Contractor exam with a clearer plan.

FAQ

What books are included in this package?

This package includes OSHA 29 CFR Part 1926, New Mexico Commercial Building Code, New Mexico Residential Building Code, International Building Code, International Residential Code, Roofing Construction and Estimating, NRCA Roofing Manual: Steep Slope Roof Systems, NRCA Roofing Manual: Membrane Roofing Systems, and Concrete and Clay Tile Installation Manual.

Is the New Mexico GS-21 Roofing Contractor exam open book?

Yes. The GS-21 Roofing Contractor examination is an open-book test. Candidates are responsible for bringing their own approved references to the examination center.

How many questions are on the GS-21 Roofing Contractor exam?

The GS-21 Roofing Contractor trade exam has 60 questions.

How much time is allowed for the exam?

Candidates are allowed 150 minutes to complete the GS-21 Roofing Contractor trade exam.

What score is required to pass?

The required passing score is 75%, which equals 45 correct answers on this examination.

What topics should I study for the roofing exam?

Candidates should study roofing safety, steep-slope roof systems, membrane roof systems, tile roofing, code requirements, New Mexico building code provisions, estimating, roof drainage, flashing, underlayment, roof coverings, and general roofing construction practices.

Do I also need to take the Business Management and Law exam?

All Specialty Roofing - Commercial Contractor candidates are also required to pass the Business Management and Law for Contractors examination in addition to the GS-21 Roofing examination.

Should I study all of the listed references?

Yes. Each listed reference supports a different part of the exam. Candidates should become familiar with the safety standards, New Mexico codes, model codes, roofing manuals, estimating reference, and tile installation manual.

Does this package guarantee a passing score?

No product can guarantee an exam result. This package provides the listed reference books and supports candidates as they prepare through code-focused study, roofing topic review, and reference navigation practice.