Technical Roof Services, Inc.
Pacific Building Consultants, Inc.
2339 Stanwell Circle, Suite A
Concord, CA 94520-4875
Phone: (925) 356-7770
Fax: (925) 356-7776
Email: pdregger@dng-group.com
Professional engineer, registered roof consultant & author with over 30 years experience in investigation, design, and expert witness trial testimony regarding full range of roof and waterproofing systems. Special expertise in roof wind damage, photovoltaic (PV) solar panels, condensation/venting, & complex moisture intrusion.
