Installing Weather-Resistive Barriers: A General Contractor’s Perspective

Track 2

Tuesday, May 2, 9:45 am – 10:45 am

An overview of some of the benefits realized and challenges faced in the installation of multiple types of Weather Resistant (air barrier)Barrier systems on multi-family residential projects in the Pacific Northwest. The presentation will examine factors including code requirements, relative cost, project scheduling, seasonal weather, installer proficiency and availability,  and project specific design detailing, that determine the selection by the design professionals of the particular system to be utilized.

Learning Objectives:

  1. Describe and illustrate multiple options for weather resistant barrier systems on multi-family projects
  2. Provide understanding of key factors that are considered by the design team when specifying a particular system.
  3. Equip participants with examples of areas and details likely to present challenges in maintaining air barrier continuity
  4. Provide understanding of guidelines for determining which of the system choice determining factors may or may not apply in other regions of the continent.
Level of content:

Brian Lenz

Walsh Construction Co., Seattle, WA

Brian Lenz has worked as a Quality Assurance Manager for 10 years with Walsh Construction Company in Seattle, WA. He performs constructability reviews, construction phase site inspections, infrared imagery, qualitative blower door testing, in-house material testing and oversight of project mockups. He leads installer and employee training sessions and has presented to industry groups on strategies for constructing airtight buildings. Prior to joining WALSH, he had more than 20 years of hands-on experience in residential construction. Brian earned his B.A. from Northwestern University and a Master of Architecture from the University of Washington.