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Re: GBlist: Engineered Truss Problems



Hi Doug,

Check out:
    http://www.trusspro.com/partsepa.htm

At 09:31 AM 6/2/97 CDT, you wrote:
>Hi All!
>
>One of our member builders has been experiencing a phenomenon known as "truss
>lift," in which the vertical and diagonal bracing chords of the roof truss
>system shrink over time to the point where they are able to raise the bottom
>chord enough to separate it from the interior non-load-bearing walls up to an
>inch.  Has anyone else experienced this situation? Causes? Solutions? (Our
>builder has gone back to standard framing with 2x6 rafters.)
>
>Thanks!
>
>Doug Seiter
>Austin Green Builder Program

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