Registered Roof Consultant – RRC®

An applicant must meet specific requirements to become a Registered Roof Consultant.  These requirements include verifiable levels of work experience and education, high ethical standards, and a satisfactory score on both the RRC and General Consultant Knowledge (GCK) Exams.  Those that hold other IIBEC consultant registrations are exempt from having to take the GCK exam. There is no separate application for the GCK Exam, as approval of the RRC application will qualify candidates to take the general exam.  See additional information about the GCK Exam below.

RRC Application Requirements

Applicants must have at least 4 years of roof consulting experience.  Verification of one’s education and/or work experience is done using a point system.  A minimum of 100 points is required and is based on one of the following: 

  1. work experience only
  2. experience and education
  3. experience, education and professional registration

70 hours of continuing education through attendance and a minimum of 3 seminars within the roofing, waterproofing and/or exterior wall industries are needed for application approval.

5 references are also required.

RRC Application Process

Candidates are encouraged to use the online interactive electronic process to complete the application.

A user account is all that is required to log in to the portal to complete an application. You may enter and save the information until the application has been completed. It can then be electronically submitted to IIBEC for review and approval. Once begun, the application must be completed and submitted to IIBEC within one year or the application in process will expire.

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Applications in .pdf format are also available upon request.

The computer-based REWO exam is available at over 1,000 conveniently located testing centers worldwide. Ninety days should be allowed for processing once an application is submitted to IIBEC. Applications will be processed within 60 days for an additional expediting fee ($50 member/$75 nonmember).  An exam registration form will be provided to the candidate when the application has been approved. Once registered, the candidate will be contacted by Scantron, the internet-based testing company, to schedule an exam.

Computer-based testing is offered on demand to approved candidates subject to individual testing center hours and availability. Consult Scantron for testing center locations.

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RRC Exam

The RRC online exam has 60 multiple-choice questions that involve the following topics:  codes and standards, materials and properties, assemblies, analysis and design, and evaluation and testing.  Some problems may involve mathematical computations that require familiarity with basic algebra, geometry and trigonometry.  The exam is 4 hours in duration.

Download a Registered Roof Consultant (RRC) study guide.

Note: IIBEC Educational Programs, in particular the Roofing Technology and Science programs (Part I and Part II), Professional Building Consulting, wind and drainage e-learning programs, Roof System Thermal and Moisture Design, and RRC Review and Update programs may prove useful for anyone planning to pursue the RRC credential.

Download Exam Study Guide

RRC Fees

A renewal fee is required annually, as well as 12 roofing, waterproofing, and/or exterior wall related continuing educational hours (CEHs).  All registrants are encouraged to self-report CEHs via the IIBEC website.

Application Fee

$350 – IIBEC member
$425 – Nonmember

Examination Fee

$250 – IIBEC member
$325 – Nonmember

For more membership, registrations, and external IIBEC-approved continuing education information, contact a member of the Membership & Registration Team.

Membership & Registration Team

RRC Annual Renewal

A renewal fee is required annually, as well as 12 roofing, waterproofing, and/or exterior wall related continuing educational hours (CEHs).  All registrants are encouraged to self-report CEHs via the IIBEC website.

Annual Renewal Fee*
$175 – IIBEC member
$250 – Nonmember


*There is a 10% discount from the base renewal rate for each additional designation.

General Consultant Knowledge Exam

This exam tests knowledge common to all components of the building envelope (roofing, waterproofing and exterior walls).  This was designed to produce a more efficient testing process, eliminating common information being tested for each consultant designation.  Currently, to earn the RRC designation, a candidate must pass the general exam as well as the RRC Exam.  This pertains to the Registered Waterproofing Consultant designation, and in 2017, the Registered Exterior Wall Consultant designations as well.

If only one of the two exams is passed, the candidate will be required to retake only the exam he or she failed.  The exam that has been passed will be valid until the candidate passes the other exam and the first consultant designation is earned.  Candidates who do not initially pass an exam will have the option to retry every four months with a valid application.

Once passed, the general exam will not need to be retaken for the other IIBEC consultant designations.

The exam is computer-based and offered at over 1,000 conveniently located testing locations. Visit Scantron to locate a testing center near you. The exam is 4 hours in length and consists of 90 multiple-choice questions which test knowledge in the following general consulting areas:  ethics, general skills, communications and reports, codes and standards, design process, procurement process, agreements, and construction administration.

All questions pertain to general consulting practices and are applicable to all consultants despite of the discipline (roofing, waterproofing, exterior walls).

Download the General Consultant Knowledge (GCK) Exam Study Guide.

Note: IIBEC’s Professional Building Enclosure Consulting course is recommended for anyone planning to take the GCK exam.

General Consultant Knowledge Exam Fees

Examination Fee
$250 – IIBEC member
$325 – Nonmember


For more membership, registrations, and external IIBEC-approved continuing education information, contact a member of the Membership & Registration Team.