Welcome to IIBEC-Chicago

IIBEC-Chicago is a not-for-profit, professional association of building enclosure specialists and is an affiliated chapter of the International Institute of Building Enclosure Consultants (IIBEC).  Our members specialize in design, investigation, repair, and management of roofing, exterior wall, and waterproofing systems.

Member Info

Full Name
O'Brien, Thomas F., RRC, RRO, CDT, CSI
Membership Classifications
Consultant or Consultant Affiliate
RRO #
687
RRC #
647
Company Name
K2N Crest, PC
Address
1010 Jorie Blvd., Suite 320
City
Oak Brook
State
IL
Zip
60523
Phone
(630) 990-9595
Email
tomobrien@k2n.com
Service Categories
Roof Consulting, Material Testing, Expert Witness/Legal