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By Others – The Elusive Sub-Contractor Responsible for Transitions

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By Others – The Elusive Sub-Contractor Responsible for Transitions

September 23, 2021 @ 1:00 PM - 2:30 PM EDT

An in-depth look at the environmental separators for the roof, wall and below grade assemblies in regards to water control, air leakage control, thermal performance and vapor control.

Critical details that typically cause building performance related issues will be focused on the two largest failures of building enclosures: roof to wall connections and wall to window connections specific to curtain wall systems. A step by step look at each critical detail in regards to sequence of construction and the various connections to ensure airtight/watertight and thermally protected details. Real life photos and job conditions will bring the realities of the construction process to show typical errors found and how they can be addressed correctly.


Learning Objectives:

  1. Articulate how transitions impact building enclosure performance through real life experiences in regards to energy loss, building performance and the sustainability of the system.
  2. Correctly identify and prioritize critical details during the construction document phase to ensure an integrated approach is taken to heat, air, water and vapor control.
  3. Assess each detail in regards to impacts of the 4 control layers and understand the various options for designing details for a variety of roof, wall and window assemblies.
  4. Through the use of real-life case studies and photos, plan out the proper sequence of construction and identify quality control methods in construction document review to provide corrective action.

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Andrew Dunlap, First Vice-Chair – Air Barrier Association of America Co-Chairman of the ABAA Research Committee SmithGroup, ABAA Board of DirectorsAndrew Dunlap, AIA, CDT, LEED AP, NCARB

Andrew Dunlap’s primary work experience is focused on the analysis and development of building enclosure systems including wall cladding assemblies, air/water barrier systems, roofing, skylights, fenestration systems, and waterproofing. Specializing in the energy and hygrothermal analysis of wall, fenestration, and roof systems; his work extends from evaluating existing buildings, investigating problem buildings, revitalizing historic structures, to the design and consultation of new and specialty facades.

Andrew received his Bachelor of Architecture, Bachelor of Science in Mathematics, and Master of Architecture degrees from the University of Detroit Mercy. He provides presentations to several industry organizations on a regular basis and is published in numerous industry periodicals and journals.


September 23, 2021
1:00 PM - 2:30 PM EDT
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