{"title":"Hawaii Waterproofing Contractor (C-55)","description":"","products":[{"product_id":"hawaii-waterproofing-contractor-c-55-exam-book-package","title":"Hawaii Waterproofing Contractor (C-55) Exam Book Package","description":"\u003ch1 style=\"color: #d32f2f;\"\u003eHawaii Waterproofing Contractor (C-55) Exam Book Package\u003c\/h1\u003e\n\n\u003cp\u003eWaterproofing is one of the most detail-sensitive specialties in construction. Small mistakes in surface prep, drainage planning, flashing transitions, membrane selection, or curing conditions can turn into costly call-backs, moisture intrusion, mold concerns, corrosion, concrete deterioration, and premature finish failures. The Hawaii Waterproofing Contractor (C-55) trade exam is designed to confirm that you understand the principles, practices, and safety expectations needed to apply waterproofing systems correctly in real-world conditions.\u003c\/p\u003e\n\n\u003cp\u003eThis Exam Book Package is built for candidates who want a focused set of references to support structured study for the C-55 specialty. Waterproofing work touches multiple building assemblies and environments—above-grade exterior walls, decks and walking surfaces, planters, tanks, between-slab applications, below-grade foundations, and conditions where vapor and hydrostatic pressure can challenge the system. Your study has to reflect that range while keeping the learning practical: what to use, where to use it, how to prep it, how to install it, and how to protect it.\u003c\/p\u003e\n\n\u003cp\u003eBecause the C-55 exam is a \u003cstrong\u003eclosed-book\u003c\/strong\u003e examination, preparation is less about “finding” answers and more about building confident recall and decision-making. That means you’ll get the most value from these books when you study in a process-based way: learn system types, understand the purpose of each layer, memorize the common failure points, and practice answering scenario-style questions without looking anything up.\u003c\/p\u003e\n\n\u003cp\u003eThe books you’ve selected support that approach by covering three critical pillars of a waterproofing contractor’s knowledge:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilding code context\u003c\/strong\u003e for how assemblies are expected to perform and how moisture management fits into overall construction quality.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWaterproofing system fundamentals\u003c\/strong\u003e that reinforce materials, methods, transitions, detailing, and performance thinking.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConstruction safety expectations\u003c\/strong\u003e to support safe jobsite habits and risk-aware decision-making while performing waterproofing work.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eIf you already work in the trade, this package helps you organize your field experience into exam-ready knowledge. If you’re newer to the specialty, it gives you a clear learning path to build fundamentals and avoid “guessing” your way through exam questions. Either way, the goal is the same: build dependable understanding that holds up under timed testing conditions.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eExam Details\u003c\/h2\u003e\n\u003cp\u003eThe State of Hawaii C-55 Waterproofing Contractor trade examination is published with the following format:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExam Type:\u003c\/strong\u003e C-55 Waterproofing Contractor (Trade)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Questions:\u003c\/strong\u003e 25\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTime Allowed:\u003c\/strong\u003e Two-hour time limit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Passing Score:\u003c\/strong\u003e 75% correct required to pass\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe published examination outline is organized by topic weights:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAbove-Grade Waterproofing Systems:\u003c\/strong\u003e 40%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBelow-Grade Waterproofing Systems:\u003c\/strong\u003e 30%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVapor Barriers:\u003c\/strong\u003e 10%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDamp Proofing:\u003c\/strong\u003e 10%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSafety:\u003c\/strong\u003e 10%\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThose topic weights make it clear what the exam is prioritizing. Above-grade and below-grade waterproofing systems make up the majority of the test, so your preparation should focus first on understanding system selection, drainage and moisture movement, substrate readiness, detailing transitions, and the practical installation sequence that makes a system perform. Vapor barriers and damp proofing are smaller categories by weight, but they often appear in questions that test whether you understand the difference between controlling moisture vapor and resisting liquid water. Safety remains a dedicated category because waterproofing work often involves hot materials, solvents, confined or poorly ventilated areas, fall exposure on decks or elevated surfaces, and jobsite coordination risks.\u003c\/p\u003e\n\n\u003cp\u003eWith 25 questions in two hours, the pace is manageable—if you know the fundamentals well enough to answer without searching for information. Closed-book exams reward steady confidence and correct reasoning, especially when the question describes a job condition or detail and asks you to choose the best practice response.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eClosed Book Test\u003c\/h2\u003e\n\u003cp\u003eThis is a \u003cstrong\u003eclosed-book\u003c\/strong\u003e examination. The published exam information states that the references used to create exam questions are \u003cstrong\u003enot allowed\u003c\/strong\u003e in the testing center. Because you cannot rely on books during the exam, your study plan should be designed around comprehension and recall.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat closed-book readiness looks like for C-55:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eYou can explain system purpose:\u003c\/strong\u003e you know what the waterproofing system is intended to stop (liquid water, vapor, hydrostatic pressure, intermittent moisture, or a combination).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eYou recognize the weak points:\u003c\/strong\u003e you know where systems typically fail—terminations, penetrations, transitions, laps, corners, drains, changes in plane, and poorly prepared substrates.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eYou understand sequencing:\u003c\/strong\u003e you know the typical order of prep, priming (when needed), membrane application, protection layers, flashings, drainage components, and cure\/inspection steps.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eYou can make safety decisions quickly:\u003c\/strong\u003e you identify hazards and choose the safest, most compliant approach without hesitation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eA practical way to study is to read in short blocks, then immediately test yourself. After finishing a topic, close the book and write down what you remember: key terms, steps, reasons, and common mistakes. If you can’t explain it clearly without looking, that’s your signal to review and reinforce it again.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eLicensing Steps\u003c\/h2\u003e\n\u003cp\u003eHawaii contractor licensing is overseen by the Contractors License Board under the Department of Commerce and Consumer Affairs (DCCA), Professional and Vocational Licensing (PVL) Division. The trade exam is one part of the licensing process, and the exam program rules emphasize that candidates must be approved before they can register for an examination.\u003c\/p\u003e\n\n\u003cp\u003eWhile individual application pathways can vary, most candidates follow an exam-related sequence like this:\u003c\/p\u003e\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfirm the classification:\u003c\/strong\u003e ensure C-55 Waterproofing Contractor matches the scope of work you plan to perform.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrepare your application package:\u003c\/strong\u003e gather the required documentation and complete the application as directed by the Contractors License Board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSubmit your application for review:\u003c\/strong\u003e the Board reviews applications for eligibility.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReceive approval to test:\u003c\/strong\u003e exam rules state you are not allowed to register until the Board approves your application and sends a letter of approval.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSchedule through the exam administrator:\u003c\/strong\u003e Hawaii’s contractor examinations are administered by PSI.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTest within the eligibility window:\u003c\/strong\u003e the candidate bulletin states your eligibility is valid for 6 months, and you can test unlimited times during the 6-month period.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003eEven though C-55 has a generous time limit relative to the number of questions, you still want your knowledge to be stable and easy to access under pressure. The best approach is to begin studying early—before your exam date is set—so you can use repetition and review cycles rather than cramming.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eState Requirements\u003c\/h2\u003e\n\u003cp\u003eHawaii contractor licenses renew on a fixed biennial schedule. The Contractors License Board states that all licenses—regardless of issuance date—are subject to renewal by \u003cstrong\u003eSeptember 30 of every even-numbered year\u003c\/strong\u003e. If a license is not renewed by the license expiration date, the license is unlicensed and may not practice.\u003c\/p\u003e\n\n\u003cp\u003eFrom a planning standpoint, that matters for two reasons. First, you want to keep renewal timing on your calendar once you are licensed so you maintain continuous compliance. Second, if you are applying and testing near a renewal deadline, you should plan your timeline carefully so your licensing steps do not collide with renewal processing or administrative deadlines.\u003c\/p\u003e\n\n\u003cp\u003eOn the examination side, Hawaii’s contractor exam program is administered by PSI under contract with the state. The candidate bulletin also emphasizes that exam registration follows Board approval, so your study plan should ideally run in parallel with your application timeline.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eReference Books\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInternational Building Code (IBC), 2018\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA building code reference that supports understanding of building performance expectations and construction assembly context. Use it to reinforce how waterproofing details interact with overall building requirements and good construction practice.\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWaterproofing the Building Envelope (1993)\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA waterproofing fundamentals reference that reinforces system types, transitions, detailing principles, and performance thinking. It supports core learning for above-grade and below-grade waterproofing decisions, including common failure points and best-practice detailing mindset.\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCode of Federal Regulations – 29 CFR Part 1926 (OSHA)\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA construction safety reference that supports hazard recognition and safer jobsite decision-making. Waterproofing work may involve fall risks, hot work, solvents, ventilation concerns, and coordination hazards—this resource helps reinforce safety awareness while studying.\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\u003cp\u003e\u003cstrong\u003e1) Study to the exam outline weights.\u003c\/strong\u003e Since the majority of the exam focuses on above-grade and below-grade waterproofing systems, start there. Build a clear understanding of the major system categories you may see in questions: sheet membranes, fluid-applied systems, cementitious approaches, coatings, elastomerics, and related assemblies where waterproofing and drainage work together. Then reinforce vapor barriers and damp proofing concepts so you can clearly distinguish where each is appropriate and what each is designed to control.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e2) Create a “jobsite scenario” study habit.\u003c\/strong\u003e Contractor exams commonly test applied knowledge. When you read a chapter or section, ask yourself:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWhere would this system be used (above grade, below grade, planters, decks, tanks, between slabs)?\u003c\/li\u003e\n  \u003cli\u003eWhat is the moisture source (rain, splash, irrigation, vapor drive, hydrostatic pressure)?\u003c\/li\u003e\n  \u003cli\u003eWhat are the failure points (penetrations, terminations, corners, laps, drains, changes in plane)?\u003c\/li\u003e\n  \u003cli\u003eWhat preparation steps matter most (cleaning, repairs, dryness, priming, surface profile)?\u003c\/li\u003e\n  \u003cli\u003eWhat is the correct sequence (prep → application → transitions\/flashings → protection → cure\/inspection)?\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThen, close the book and answer your own questions without looking. This is the fastest way to train recall for a closed-book exam.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e3) Build a vocabulary list and definitions.\u003c\/strong\u003e Waterproofing questions often rely on precise terminology. Make a running list of terms and be able to define them in plain language. Include terms tied to vapor control, damp proofing, drainage, substrate condition, adhesion, cure time, compatibility, and detailing at penetrations and terminations. If you can define the words, you can usually identify the right answer faster.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e4) Use short, repeated review instead of long rereads.\u003c\/strong\u003e Closed-book performance improves when you repeat recall training. A simple approach is:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwo concept sessions per week (45–60 minutes each):\u003c\/strong\u003e read and outline one major system topic (above-grade or below-grade).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwo recall sessions per week (20–30 minutes each):\u003c\/strong\u003e answer prompts without looking, then correct your notes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOne safety session per week (20 minutes):\u003c\/strong\u003e review key hazard categories and safe jobsite choices tied to waterproofing work.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOne mixed review session (30–45 minutes):\u003c\/strong\u003e combine above-grade, below-grade, vapor barrier, damp proofing, and safety prompts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003e5) Train “best answer” thinking.\u003c\/strong\u003e Many questions are not asking what is merely possible—they are asking what is best practice, safest, or most appropriate for a condition. When you study, practice choosing the “best” option by asking: does this answer protect the assembly long-term, prevent common failure paths, and reduce safety risk?\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eHow 1 Exam Prep Helps You Reach Your Goal\u003c\/h2\u003e\n\u003cp\u003e1 Exam Prep helps you reach your Hawaii C-55 goal by supporting a structured, trade-focused approach to studying for a closed-book exam. Instead of relying on reference navigation, you build understanding and recall through organized topic review and practice-oriented preparation that mirrors how contractor exam questions are written.\u003c\/p\u003e\n\n\u003cp\u003eOur approach emphasizes:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrganized study guidance\u003c\/strong\u003e so your preparation stays aligned with the C-55 topic weights and doesn’t drift into low-value material.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrade-focused review\u003c\/strong\u003e that keeps learning connected to real waterproofing decisions—system selection, detailing, sequencing, and common failure prevention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePractice-oriented preparation\u003c\/strong\u003e that turns reading into recall through scenario prompts and repeatable review cycles.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfidence-building structure\u003c\/strong\u003e so you can answer questions efficiently and calmly during a closed-book, timed exam.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eResults depend on your personal effort and exam-day performance, but a realistic study structure can make your preparation time more productive and help you feel ready when it’s time to test.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eFAQ\u003c\/h2\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eIs the Hawaii C-55 Waterproofing Contractor exam closed book?\u003c\/h2\u003e\n\u003cp\u003eYes. The published C-55 exam outline states the examination is closed book, and it notes that references used to create exam questions are not allowed in the testing center.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eHow many questions are on the C-55 exam and how long do I have?\u003c\/h2\u003e\n\u003cp\u003eThe published exam outline lists 25 questions with a two-hour time limit.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWhat score do I need to pass the C-55 exam?\u003c\/h2\u003e\n\u003cp\u003eThe published exam outline states that 75% correct is required to pass.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWhat topics should I focus on most for the C-55 exam?\u003c\/h2\u003e\n\u003cp\u003eAbove-grade waterproofing systems and below-grade waterproofing systems are the highest-weight categories, followed by vapor barriers, damp proofing, and safety. Studying to those weights is an efficient strategy for closed-book readiness.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eHow do I study effectively for a closed-book waterproofing exam?\u003c\/h2\u003e\n\u003cp\u003eStudy in short sessions, write summaries in your own words, and train recall with scenario prompts where you answer without looking. Repeated recall drills build the confidence needed for closed-book testing.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eDo I need approval before registering for a Hawaii contractor exam?\u003c\/h2\u003e\n\u003cp\u003eYes. The PSI candidate bulletin states that you are not allowed to register for your exam until the Board approves your application and sends you a letter of approval.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eHow long is exam eligibility valid after approval?\u003c\/h2\u003e\n\u003cp\u003eThe PSI candidate bulletin states your eligibility is valid for 6 months, and you can test unlimited times during the 6-month period.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWhen do Hawaii contractor licenses renew?\u003c\/h2\u003e\n\u003cp\u003eThe Hawaii Contractors License Board states that licenses renew by September 30 of every even-numbered year, regardless of issuance date.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eAre these books used during the exam?\u003c\/h2\u003e\n\u003cp\u003eNo. Because the C-55 exam is closed book, these references are intended for study and preparation rather than use in the testing center.\u003c\/p\u003e\n","brand":"1 Exam Prep","offers":[{"title":"Default Title","offer_id":45878475522105,"sku":null,"price":245.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1789\/0861\/files\/HW-Waterproofing_C-55_-BOOKS.jpg?v=1780099325"}],"url":"https:\/\/1examprep.com\/collections\/hawaii-waterproofing-contractor-c-55.oembed","provider":"1 Exam Prep","version":"1.0","type":"link"}