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Posted by on May 7, 2008, 11:17 am
wrote:
>
>>
>> When the exterior walls are built by the contractor, is it normal to just
>> nail the exterior walls into the top (header maybe) of the main floor
>> walls?
>> I am wondering if this is typical and enough strength wise since I live in
>> the east coast of Canada and we often get high winds (tail ends of
>> Hurricanes - 90 - 130 km/hr) during hurricane season. We actually were
>> hit
>> directly by Hurricane Juan (Cat 1 - 2) and last hurricane season
>> (summer/fall of 07) we had wind gusts from a tropical depression up to 130
>> km/hr.
>>
>> I am wondering if the exterior walls should be bolted down with a big type
>> of lag bolt. Is just nailing the exterior walls typical and enough
>> strength
>> wise?
>
>It has worked like that for the past 100 years or so, but add lags if you
>wish
>
It is easy to see the difference between a house built to a wind code
and one that only looks at down load. The "download" house is
scattered across the yard in a minor wind storm.
In Florida you are required to strap the floors to the foundation, the
walls strap to the floor, the roof straps to the wall.
Houses built this way will hold up to triple digit wind speeds.
All you need, to see this in action, is to look at hurricane pictures
and see the houses built to the "post-Andrew" wind code. They are the
ones still standing.
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