06-10-2007, 11:01 AM
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Deity
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Join Date: Jul 2004
Location: Saint Regis Falls, NY, USA.
Posts: 3,831
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how long are these joists? the ones affected. any long piece of lumber will have a crown in it that should be installed upward, not down. also the joists usually are supported on the ends either atop the bottom plate or sill or atop a wall plate as in floor/ceiling.
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