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Norminn Norminn is offline
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Default Roofing Question

Wayne Whitney wrote:

On 2008-04-07, Harry K wrote:



Well, if the winds and sheer force are great enough to rip off T&G,
a bit of ply over it ain't gonna stop it.



It's not a matter of ripping off the T&G boards, it's a matter of
deforming the framing so that each rectangle formed by two joists and
two of the T&G boards becomes a non-rectangular quadrilateral. This
only requires that the T&G boards slide relative to each other.
Plywood would resist this deformation much more than the individual
boards do.

Yours, Wayne


Looks like an answer from an old engineering text. If the freeking
rectangles are deforming, something
else is happening to the house under it. Hurricanes take the roof OFF,
and take them apart after
they are off.