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    Author(s): H. E. Dickerhoof
    Date: 1977
    Source: (Research note FPL ; 0237):7 p.
    Publication Series: Research Note (RN)
    Station: Forest Products Laboratory
    PDF: Download Publication  (34 KB)


    The mobile home industry is a large and expanding lumber market within the housing industry. A sturdy wood frame lies under the metal wall and roof skin found on most mobile home units. When compared with data compiled in 1970 (1), the latest Forest Service, Department of Agriculture survey findings indicate the average mobile home now uses much more lumber for framing. This increase in lumber usage is attributed to larger units and better quality construction--with the quality factor generally thought to be most important. Better quality homes with sturdier framing are produced now because of higher standards established: (a) Voluntarily by the mobile home industry, (b) by individual States, and (c) by the U.S. Department of Housing and Urban Development. The latter standard became effective June 15, 1976, and is commonly referred to as the "Federal standard." To determine changes in lumber framing requirements since 1970, the Forest Service conducted a mail questionnaire survey of all mobile home manufacturing plants in the United States. Data were obtained for units manufactured in 1974. Although the "Federal standard" has been adopted since that time, it is very similar to the requirements of the American National Standards Institute (ANSI) Standard A 119.1 or the National Fire Protection Association (NFPA) Standard 501 B, which had been adopted in 46 States by 1974 (2,3).

    Publication Notes

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.


    Dickerhoof, H. E. 1977. Lumber use trends in mobile home construction. (Research note FPL ; 0237):7 p.


    Mobile homes

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