Joe Callahan's Contact Details

Joe Callahan's Company Details

At CDC, our design, engineering and consulting services are dedicated to a structure’s most distinctive architectural feature: the building envelope. With more than 40 years of experience and 22 offices in eight countries, we are globally recognized for the design, engineering and consulting on some of the world’s most complex facades, roofing and waterproofing. Our clients include internationally renowned building envelope manufacturers, architects, developers, contractors and subcontractors. Our expertise covers both new building envelope systems and existing systems. And no building envelope material is beyond our reach. Employee owned and operated, we are solely focused on the building envelope, and we are driven to set and maintain the highest standards in the industry. Whether your building is existing or in development, whether you need design, engineering or consulting, you can count on CDC to make sure the building envelope performs as well as it looks.