Phil Dregger of Salas O’Brien is presenting, Solar Ready Roofs that Aren’t – How to Protect Your Client and Yourself at the 23rd Annual IIBEC Southern California Chapter Winter Workshop at the Aulani Resort on January 19th.

This engaging session will explore the complexities and challenges of ensuring that roofs are truly ready for solar installations. Phil will delve into common misconceptions and pitfalls in preparing roofs for solar panel integration. He will provide valuable insights and strategies for both protecting clients and safeguarding project integrity. Attendees can expect to leave with a deeper understanding of the critical considerations and best practices in this evolving area of roof engineering.

Phil Dregger, PE, RRC, is a seasoned consultant and expert witness specializing in roofing, waterproofing, and building enclosure systems. His expertise extends to California’s Title 24 Part 6 Energy Code, with a particular focus on roof drainage and wind or hurricane damage. Phil’s experience in patent litigation, cold storage, and condensation issues is marked by his skill in hygrothermal analysis, including wood decay, biological growth, and corrosion, utilizing tools like WUFI Pro, ASHRAE Standard 160, and ASTM E3054. A recognized figure in the industry, Phil actively contributes through presentations to industry and legal groups, authoring numerous technical articles. His contributions have been acknowledged with prestigious awards such as the ASTM D08 William C Cullen Award and the IIBEC/RCI Lifetime Achievement Award.

For registration information, click here.

Using your roof to generate electricity is a great idea; as long as your roof and the solar array play well together. I share ways to help them get along.
Phil Dregger, PE, RRCVice President, Salas O’Brien


The International Institute of Building Enclosure Consultants (IIBEC) is an international association of professionals who specialize in roofing, waterproofing, and exterior wall specification and design. From sprayed polyurethane foam to cedar shakes, from parking garages to air barriers, IIBEC has a member expert for every type of roof, exterior wall, or waterproofing issue in the world today.

About Salas O’Brien

Salas O’Brien is an engineering and technical services firm focused on advancing the human experience through the built environment. Our team is engineered for impact, helping clients achieve critical goals, advancing our team members through growth and opportunity, and operating at the center of important global issues including sustainability and decarbonization. We are a top firm as ranked by Engineering News-Record and Consulting-Specifying Engineer, and we have appeared for the past ten years on the Inc. 5000 list of North America’s fastest-growing private companies.

For more details or to set up an interview, please contact Stacy Lake, Director of Corporate Communications.