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Old 07-04-2013, 09:39 PM
 
Location: Johns Creek, GA
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Quote:
Originally Posted by imcurious View Post
The entire point of a bump-out is that you don't need to extend the foundation - you bump out over the foundation and support it with wood (I wish I knew the technical terms or how to describe it, but I'm sure you can find some pics and plans online).

It's basically a cantilevered bay/baywindow.
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Old 07-04-2013, 09:40 PM
 
Location: Southern New Hampshire
10,049 posts, read 18,056,896 times
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Quote:
Originally Posted by K'ledgeBldr View Post
It's basically a cantilevered bay/baywindow.
Yes ... which is why I'm not sure it would work with my particular house without some sort of foundation, alas. The size I need (~5' x 12.5') would be a little big for that too, I expect.
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Old 07-05-2013, 08:53 AM
 
Location: In a happy place
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Quote:
Originally Posted by karen_in_nh_2012 View Post
Yes ... which is why I'm not sure it would work with my particular house without some sort of foundation, alas. The size I need (~5' x 12.5') would be a little big for that too, I expect.
I believe that would depend on which direction the floor joists under your existing kitchen run and whether structure could be built far enough under the existing to support the new. Personally I would probably avoid that design because I have seen too many cantilevered designs with vegetation growing underneath. 5' would be a long way to crawl under to pull weeds.
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Old 07-05-2013, 09:24 AM
 
Location: Berkeley Neighborhood, Denver, CO USA
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Default Yes

We did one. Moved a wall about 5 feet. Worth it.
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Old 07-05-2013, 03:25 PM
 
Location: Southern New Hampshire
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Quote:
Originally Posted by rrtechno View Post
I believe that would depend on which direction the floor joists under your existing kitchen run and whether structure could be built far enough under the existing to support the new. Personally I would probably avoid that design because I have seen too many cantilevered designs with vegetation growing underneath. 5' would be a long way to crawl under to pull weeds.
Another reason to go with some sort of foundation!! I'd be afraid not only of vegetation but also of critters moving in.
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