- Author
-
Persily, A. K.
- Title
- NIST/GSA Design Guidelines for Thermal Envelope Integrity.
- Coporate
- National Institute of Standards and Technology, Gaithersburg, MD
- Book or Conf
- American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. (ASHRAE). Thermal Performance of the Exterior Envelopes of Buildings V. Proceedings of the ASHRAE/DOE/BTECC Conference. December 7-10, 1992,
Clearwater Beach, FL,
693-699 p.,
1992
- Keywords
-
office buildings
|
thermal integrity
|
air tightness
|
design applications
- Abstract
- Office building envelopes are generally successful in meeting a range of structural, aesthetic and thermal requirements. However, poor thermal envelope performance does occur due to the existence of defects in the envelope insulation, air barrier and vapor retarder systems. These defects result from designs that do not adequately account for heat, air and moisture transmission, with many being associated with inappropriate or inadequate detailing of the connections of envelope components. Despite the existence of these thermal envelope performance problems, information is available to design and construct envelopes that do perform well. In order to bridge the gap between available knowlege and current practice, the National Institute of Standards and Technology has developed thermal envelope design guidelines for federal office buildings for the General Services Administration. The goal of this project is to transfer the knowledge on thermal envelope design and performance from the building research, design and construction communities into a form that will be used by building design professionals. These guidelines are organized by envelope construction system and contain practical information on the avoidance of thermal performance problems such as thermal bridging, insulation system defects, moisture migration, and envelope air leakage. This paper describes the guidelines prepared by NIST for GSA.