September 2022 Monthly Meeting

Meeting Title
Portland BEC Half Day Symposium (Hybrid)

Revolution Hall
1300 SE Stark
Portland, OR 97214

Andrew Dunlap
Laverne Dalgleish

3.5 LU/HSW learning credits


  • 8:45 – 9:15 Sign In & Welcome
  • 9:15 – 10:15 Oh no! What did I miss? How to properly specify an air barrier system Laverne Dalgleish 1.0 LU/HSW
  • 10:15 – 10:30 Break
  • 10:30 – 12:00 “By Others”: The Elusive Subcontractor Responsible for Transitions Andrew Dunlap 1.5 LU/HSW
  • 12:00 – 12:30 Lunch
  • 12:30 – 1:30 Air Barrier Material Evaluations & Testing Laverne Dalgleish 1.0 LU/HSW

Presentation Overview

Oh no! What did I miss? How to properly specify an air barrier system Laverne Dalgleish

Design and Construction documents are one of the first steps towards achieving an effective layer of airtightness to manage moisture and air movement. The importance of a proper specification cannot be understated and a well-articulated document will ensure that the owner is provided with materials, performance and quality. The presentation will review some of the consideration and language that should be reviewed prior to developing a specification and will outline code requirements, performance requirements, what can be done for quality and ensuring material selection meets the intent of design and for crucial coordination with other components of the enclosure.

“By Others” The Elusive Subcontractor Responsible for Transitions Andrew Dunlap

This course will take you through a multitude of details with a review of assembly environmental separators that will show common enclosure assembly discontinuities and provide an education on common system transition methods.

Air Barrier Material Evaluations & Testing: Why Peanut Butter Is Good For A Sandwhich But Not For Your Air Barrier Laverne Dalgleish

Air barrier technology has been around for decades, but the use of air and water resistive barrier material in buildings is fairly new. Some air and water resistive barrier materials have been used in other applications for years and now are being used for the air and water control layer. Now that the application has changed, does the material still perform in the new application? As the air and water resistive barrier industry has grown over the past decade, new materials have come on the market. These materials have a short track record, but should you shy away from using them? This presentation shows how you can sort out the different materials and how you can get help in choosing the right one for your project.


This event is free to Portland BEC Members. For non-members the cost is $50, which includes membership.



This event will be both in person and streamed online.

In-person attendance will be limited to 50. 

Streaming will be hosted by the ABAA through GoTo Webinar.