Links - Roofing Industry and FAQ
RCI, Inc. - rci-online.org - RCI, Incorporated is an international association of professional consultants, architects, and engineers who specialize in the specification and design of roofing, waterproofing and exterior wall systems.
Green Roofs for Healthy Cities - greenroofs.org
Construction Specifications Institute - csinet.org
National Roofing Contractors Association - professionalroofing.net
