Drip edges have been in use for centuries, but we often take their quiet contribution to building performance for granted. While some designers resist using them due to their aesthetic impact, some critical components of the building enclosure will not function properly without them. This presentation will focus on the connection between drip edges and air tightness, and how external elements like flashing can improve the function of internal components.

Learning Objectives:

1. Identify locations in commercial building envelopes where drip edges aid in air tightness and overall building performance
2.  Describe how design decisions such as material selection impact the way the water control layer is detailed
3.  Explore details that successfully and unsuccessfully manage air, water and thermal control layers
4. Investigate the relationship between drip edges and the four primary control layers

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Chris Bubser, AIA, LEED AP BD+C, Senior Technical Architect, LHB Corp

Chris Bubser has spent half his career in architecture and half in construction, but has always gravitated towards the technical side of the industry. Chris has had the good fortune to work on a wide variety of commercial and residential building types around the midwest. While a Quality Manager at Mortenson Construction, he was responsible for setting up and managing all aspects of the QA/QC process on project sites, but specialized in coordinating building enclosure systems. Chris is currently a Senior Technical Architect at LHB, where he oversees document quality and detailing for their K-12 Education studio. He is Past-Chair of the Building Enclosure Council of Minnesota.