BUILD
Integrity.

We are committed to delivering the highest quality of service by utilizing state-of-the-art technology and industry best practices, while balancing economic considerations with practicality.

OUR MISSION

the Team

Portrait of a man with glasses, a beard, and wearing a black shirt.

Ryan Longwill
RRC, RRO

BUILDING ENCLOSURE CONSULTANT

A Registered Roof Consultant and Observer with over 23 years in the building enclosure industry. Ryan’s diverse experience as an installer, manufacturer’s technical representative, and consultant provides him with extensive knowledge of roofing, waterproofing, and exterior wall assemblies. His goal is to deliver solutions that effectively meet client needs while maintaining building integrity. 

Portrait of a man in a dark shirt, smiling, with a neutral background.

BRENT CORNELISON
PE, SE, P. Eng, RC

PRESIDENT

As the President and owner of NWRC, Brent is a registered professional engineer in multiple states with a structural endorsement. He serves as the lead Forensic Investigator for all projects and is a Consultant Member of IIBEC and a Haag-certified roof inspector. Brent brings 28 years of experience in Structural Engineering and 17 years as a Forensic Investigator. 

Older man with white hair and glasses, wearing a black shirt, against a dark background.

Chris Smith

ROOF CONSULTANT

With over 30 years in the roofing industry, including more than 20 years as a roof consultant in the Inland Northwest, Chris’s extensive knowledge and experience are invaluable when evaluating and inspecting roofing issues. 

IIBEC Member badge with a blue and gray shield design featuring a building silhouette.
IIBEC Registered Roof Consultant logo in teal and gray.
IIBEC RRO badge for Registered Roof Observer.

COMMITTED to
EXCELLENCE.

NWRC is affiliated with I-ENG-A of the Inland Northwest, servicing Idaho, Washington, Montana, Oregon, and Northern California. We hold an I-ENGA Investigative Certification, reflecting our commitment to maintaining the highest standards in our field.