IIBEC, International Institute of Building Enclosure Consutlants formerly RCI, is an international organization of building envelope Consultants who specialize in the design, investigation, repair and management of roofing, exterior wall and waterproofing systems.


The mission of IIBEC is to ensure the credibility of the roofing, waterproofing, and building envelope consulting professions.

  • To support professionalism, ethical behavior, education, career opportunities and research in the roofing, waterproofing, building envelope, and related industries
  • To provide education and professional development to our members
  • To convey IIBEC’s perspective to the public and to the roofing, waterproofing and building envelope industries
  • To represent the interests of our membership


IIBEC regularly hosts education programs designed to promote and explain the practical applicaton of roofing technology and sound building envelope theory.  IIBEC publishes a monthly journal and newsletter, and sponsors regional events that provide forums where information is shared and netwroking occurs and IIBEC offers industry recognized professional certification, including those for Registered Roof Consultant (RRC), Registered Waterproofing Consultant (RWC), Registered Exterior Walls Consultant (REWC), Registered Building Envelope Consultant (RBEC),  Registered  Exterior Wall Observer(REWO) and Rgistered Roof Observer (RRO) programs distinguish professionals with the proven standards of education, experience and ethics. Click here to view our chapter calendar.


  • Photo for

Upcoming Events

View our complete Events Calendar for more information.

Join the IIBEC Delaware Valley Chapter

Membership Provides...

    Contact Listing on Chapter Website
    Member Discount to Chapter Events

Join here

Chapter Tools

Chapter Leadership Tools