ICF Roof
Last Post 19 Oct 2008 08:14 PM by rhinojosa46. 3 Replies.
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PatrickG26User is Offline
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14 Sep 2008 07:44 PM
Anyone know what the code states is the maximum wind a house built in Eastern Ontario (Ottawa) has to be able to withstand?

I have an ICF house, but a regular gable end truss roof.  The trusses are all tied together with 2x4s running horisontally, but the trusses are simply toe nailed into a 2x6 placed horizontally on the top of the ICF fall.  The 2x6 itself is attached via bolts cured in the concrete.  But does not seem as though this would provide much wind resistence.  Just a couple nails per truss ... it's like my roof if essentially just being held down by it's own weight.

My roof also has a huge overhang (4 feet) in front of the house, not supported by piers, but incorporated in the truss design.  Seems like that would be a good opportunity for wind to get underneath and "push" it up.

The house passed all the requirements obviously, the builder was given all the required permits, but seems flimsly.  Thinking of attaching hurricane straps from each truss onto the 2x6 and adding more reinforcement to the gable ends.  I know I'm paranoid, but I read about hurricane Hazel, so it CAN happen :)

Anyways, question is, like it is today, what kinds of winds can it handle if it meets minimum code?

Thanks,
Patrick



robinncUser is Offline
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14 Sep 2008 11:09 PM
Why not have your GC build the roof to hurricane code? We are required to use hurricane straps here and we're 200 miles from the ocean.


FarmboyUser is Offline
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19 Oct 2008 07:26 PM
rhinojosa, It sounds like Patrick may have trusses already in place and is looking for advice on how to reinforce them. Are you suggesting he scrap all that and install the system you've been pushing in quite a few recent posts? Or is there a way your system can be applied to an existing truss roof? If not, you might foster more credibility for yourself and consideration for your product by not saturating every forum with your advertising blitz. And maybe include your name so we know who we're talking to.   Dave


Raul HinojosaUser is Offline
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19 Oct 2008 08:14 PM
All right, i got you message, but yes, can be installed on top of existing wood trusses system (the truss system used as a shoring system, to keep all the existing installations), but at the end the cost of doing that will determine the decision. Let's get the people informed, he could probably be in need of something like this in the future. I am sure that when he built his house he didn't knew about it, and probably had not been disturbed thinking about any wind forces if the system were installed along with the ICF walls.

Regards,

This is what I am talking about,

Attachment: kadir-final (25).jpg

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