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-   -   Foundation for addition (http://www.diychatroom.com/f105/foundation-addition-186699/)

marklienhardt 09-08-2013 08:19 PM

Foundation for addition
 
Firstly I'd like to introduce myself. I'm new to this site and I'm from calgary alberta Canada.

I will be building a 8x10 mudroom off my 2009 house

Question is should I do a footing with concrete foundation wall tied into my current house or do post beam footing. Such as sono tubes filled with concrete ?

jomama45 09-09-2013 07:53 AM

Typically, any attached addition has to have the same type of foundation as the existing........

vsheetz 09-09-2013 08:31 PM

Quote:

Originally Posted by jomama45 (Post 1239733)
Typically, any attached addition has to have the same type of foundation as the existing........

:thumbsup: Unless there is a specific reason not to do so - have you?

jomama45 09-10-2013 07:41 AM

Quote:

Originally Posted by vsheetz (Post 1240006)
:thumbsup: Unless there is a specific reason not to do so - have you?

Absolutely, but rarely. The most common is a tiny bumpout that sits on sonotubes below the frost line, and is framed with a wood floor. I've also done one addition which involved attaching a floating slab garage to a frost protected breezeway, and adjacent home. That one cost more than just tearing the garage down and building new with proper frost protection, but the existing garage was too close to the lot line for existing setbacks, so it made sense to the owners to keep it.......


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