Attic conversion

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Posted by: from Winnipeg
9/17/2012 at 1:44:00 PM

Hi there,

We are looking to convert our attic. We live in a very solid 1920's home in Winnipeg. The previous owners used the attic space for something as there is flooring there. We are quite certain it is suitable to convert.

Question around collar ties and moving them up - we have read lots of contrary info - yes move them up, no don't move them and it depends. So I guess I am wondering if anyone can provide information that is detailed on - what does it depend on exactly?

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Date/Time9/17/2012 at 6:30:27 PM

You really need a structural engineer to take a look. He will be able to do the calculations for what will be required. There is no quick answer to your question. It all depends on the size of lumber used, spans between the supports, types of connections, etc.

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Date/Time9/17/2012 at 9:50:34 PM


I agree with James, consult a structural engineer. A collar tie simply connect the two rafters together but it's a matter of stress and strength and length, etc. It's your roof and I would suggerst that a small investment to do it right is much better that a shortcut and having problems down the road.

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