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
Sietmann, Charles T., RRO, CCCA, CIT
Membership Classifications
Consultant or Consultant Affiliate
RRO #
1264
Company Name
Building Technology Consultants, Inc.
Address
1845 East Rand Road, Suite L-100
City
Arlington Heights
State
IL
Zip
60004
Phone
(847) 454-8800
Email
csietmann@btc.expert
Service Categories
Roof Consulting, Architectural, Engineering, Expert Witness/Legal, Specifier, Roof Inspections, Waterproofing, Building Facades