Nrca-ds.de
The NRCA is one of the US construction industry's trade associations and a voice in the roofing industry for information, education, technology, advocacy and health care.
The International Roofing Expo (IRE) is the largest roofing and exteriors event in North America. Each year residential and commercial professionals come together to meet suppliers, discover new products, network with the global industry and improve how they run their businesses.