Volume 28, Issue 4 (July 2000)

    Exterior Insulation and Finish Systems (EIFS) Use in Wood-Framed Residential Construction: Design Concepts to Avoid Common Moisture Instrusion Problems

    (Received 24 November 1997; accepted 3 May 2000)

    CODEN: JTEOAD

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    Abstract

    During our field observations and water tests of wood-framed houses in North Carolina that are clad with EIFS, we noted common features in their exterior wall construction that caused significant deterioration to the sheathing and stud wall framing. For several reasons, these problems would be less severe or absent if the houses were clad with traditional residential wall systems (i.e., wood shingles or clapboards, brick veneer, or traditional stucco).

    To define the design “problem” we review issues relevant to the performance of surface-sealed barrier EIFS including common sources of moisture intrusion, the potential for moisture entrapment within the wall system, i.e., the lack of drying capacity of the wall, and the moisture sensitivity of various substrates. We focus on presenting suggestions for resolving the problems and designing a functional EIF system for use on moisture-sensitive substrates such as wood-framed construction, with particular attention to structures in climates with heavy rainfall and high humidity.


    Author Information:

    Bronski, MB
    Staff engineer/designerprincipal, Simpson Gumpertz & Heger Inc., Arlington, MA

    Ruggiero, SS
    Staff engineer/designerprincipal, Simpson Gumpertz & Heger Inc., Arlington, MA


    Stock #: JTE12107J

    ISSN: 0090-3973

    DOI: 10.1520/JTE12107J

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    Author
    Title Exterior Insulation and Finish Systems (EIFS) Use in Wood-Framed Residential Construction: Design Concepts to Avoid Common Moisture Instrusion Problems
    Symposium , 0000-00-00
    Committee E06