Durable & Energy Efficient Building Envelope Design
Maria Spinu, PhD, CSI, LEED AP
Recent changes in energy and sustainability codes for increased energy efficiency include higher insulation R-values, continuous insulation, high performance fenestration, and reduced air infiltration (e.g. continuous air barriers). These measures minimize building enclosure thermal loads and in turn, reduce energy consumption for heating and cooling.
The new energy efficiency measures often require changes in traditional building enclosure design. New wall assembly design options that meet energy code requirements are currently being constructed. Unfortunately, some energy efficient assemblies, while code compliant do not always follow fundamental building physics principles and may be susceptible to increased moisture levels and decreased durability. Furthermore, many designers are often unaware of moisture and durability implications of untested design options and the available tools which could be used to minimize potential problems.
This seminar will review recent changes in North America energy codes, examples of building enclosure wall assemblies being considered for code compliance, potential moisture management and durability challenges, and design tools that could be used to assess and minimize potential problems. The importance of design features for increased moisture management capabilities, such as effective drainage, ventilation and diffusion drying will be demonstrated.
Credit: 1.0 AIA CEHs, 1.0 PDHs
- Learn about the recent trends in NA Building Energy codes.
- Understand the energy efficient wall design requirements and potential moisture management implications.
- Learn about advantages and limitations of moisture analysis tools for building envelope design.
- Learn, with examples, how moisture analysis tools can be used to compare the durability of different design options.
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