Addressing Moisture Durability and Energy Performance in Roof Assemblies
A Critical Review of Multiple Voluntary Green Building Certifications
Continuing Education
Use the following learning objectives to focus your study while reading this month’s Continuing Education article.
Learning Objectives - After reading this article, you will be able to:
- Apply recent changes in energy codes to building enclosure roof and wall assemblies for improved energy efficiency.
- Evaluate effectiveness in existing green standards for a project’s long-term moisture durability regarding the scope and impact to the building enclosure.
- Identify how to utilize and supplement various green standards across the various project phases, including design and material selection, construction-related activities, field performance testing, and Building Enclosure Commissioning (BECx).
- Apply examples of best practices and tools to assist in designing energy-efficient and durable roofing and building enclosures.
The requirements in green standards alone, such as LEED, Green Globes and IgCC may lack comprehensive measures to address resiliency related to the long-term performance of the building enclosure.
In this presentation, optional and required credits from various green standards will be compared regarding the scope and potential moisture durability impact of the building enclosure across the following project phases: design and material selection, construction-related activities, field performance testing, and Building Enclosure Commissioning (BECx).
It will review changes in codes, examples of roof and vertical assembly integrations, and tools to assess potential moisture challenges to enable energy-efficient and durable enclosure assemblies.
Photo courtesy of GAF
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James R. Kirby, AIA, is a GAF building and roofing science architect. Jim has a Masters of Architecture—Structures Option, and he is a licensed architect. He has over 25 years of experience in the roofing industry covering low-slope, steep-slope, metal, SPF, vegetative and rooftop photovoltaics. He understands the effects of heat, air and moisture on a roof system. Jim presents building and roofing science information to architects, consultants and building owners, and he writes articles and blogs for building owners and facility managers, and the roofing industry at-large. He is also a member of AIA, ASTM, ICC, MRCA, NRCA and IIBEC. |
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Benjamin Meyer, AIA, NCARB, LEED AP is a Building & Roofing Science Architect with GAF. His previous experience includes enclosure consultant principal, technical management for enclosure products, commercial design, real estate development and construction management on a range of projects that included residential, educational, offices and DuPont industrial projects. Benjamin’s industry positions include Voting Member of the ASHRAE 90.1 Envelope and Project Committees, LEED Technical Committee member, past Technical Advisor of the LEED Materials TAG, and Director of the Air Barrier Association of America. |