Structural Thermal Bridging: Consequences and Mitigation Strategies

The need for structural engineers to pay attention to and mitigate structural thermal bridging has become important due to improved thermal performance of the building envelope driven by more stringent energy codes. Structural thermal bridging through exterior walls, roofs, and foundations can not only impact building energy performance but also occupant comfort and durability of materials, where details that seemed to work 10 years ago may cause severe condensation problems today.

This presentation identifies various types of problematic thermal bridging conditions, such as balconies, beam and column penetrations, parapets, facades, and foundations, and effective mitigation strategies to reduce, if not eliminate, thermal bridging energy losses. Resources and tools to assist structural engineers in evaluating thermal bridging calculations will also be provided. This work is produced by the Structural Engineering Institute (SEI) Sustainability Committee’s Thermal Bridging Working Group.

• Course will award 1.0 hour of continuing education
• Diamond Review approved in all 50 states
• This webinar will be available as a recording.

Speaker:

Ivan Lee, P.Eng, is a Senior Building Science Engineer at Stantec with over 14 years of experience and leads the Component Modeling Team specializing in building science analytics, including 2D and 3D thermal simulations, hygrothermal modeling, and lifecycle assessment. He has been involved with various projects including 3D thermal modelling to assess thermal bridging details for the Building Envelope Thermal Bridging Guide (BETB Guide), the largest North American thermal bridging catalogue, and hygrothermal analysis of building envelope assemblies to determine risks of moisture accumulation and potential deterioration.

James A. D’Aloisio, P.E., LEED AP, is a practicing structural, building envelope, and forensic engineer and Principal of Klepper, Hahn & Hyatt in East Syracuse, NY. A graduate of RPI, he has over 40 years of experience as a consulting engineer in private practice. He is a member of NYSSPE, serving as Central New York Vice President and Chair of the Climate Action Committee. He is also a member of the SEI Sustainability Committee and Co-Chair of its Thermal Bridging Working Group, and a member of ASCE and the ASCE-32 Frost-Protected Shallow Foundations Committee.

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