Roofing Resources, Inc. Welcome Roofing Resources, Inc. (RRI) is a multi-million dollar roof and masonry consulting firm committed to building envelope problem analysis... of clients, from state school districts to General Services Administration (GSA). Roofing Resources, Inc. RRI has developed a total roof project management service. Our expertise... to solve varied roof problems and perform studies to establish long and short term financial plans. Finally, Roofing Resources, Inc's exclusive Roof Guardian preventative maintenance...