IIBEC (formerly RCI, Inc.) is an international association of building enclosure consultants. Members specialize in design, investigation, repair, and management of roofing, exterior wall, and waterproofing systems.

Since 1983, IIBEC's consultant members have offered unbiased design, repair planning, quality assurance observance, legal testimony, and general roofing and other building envelope management services. IIBEC’s consultant members adhere to a strict code of ethics that offers unprejudiced service without affiliation with any product or manufacturer. Current membership is over 3,200. IIBEC boasts an international constituency residing across the United States, Canada, Australia, the West Indies, Europe, and Asia.

The IIBEC Southern California (So Cal) Chapter formed in 2003 with the purpose to provide a medium at the local level for the advancement of the objectives of IIBEC - to promote closer relations and cooperation amount the professionals, contractors, manufacturers, trade associations and societies which are engaged in, or directly connected with, the building construction industry.