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Re: Rigid vs Flexible Diaphragms - Some

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Thor Tandy wrote:

. > So long as there is nailing to a common member/chord the sheathing panels 
. > do not have to be in contact (?)

. > Thor Tandy  P.Eng  MCSCE
. > Victoria BC

That is correct.  In fact, spacing is necessary to allow for dimensional 
changes due to temperature and humidity variations.  Panels marked "Sized for 
Spacing" are actually 1/8 inch shorter than the nominal dimensions.

A. Roger Turk, P.E.(Structural)
Tucson, Arizona