Post-tension Concrete Foundation Extension - Building & Construction - DIY Chatroom Home Improvement Forum

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Old 01-17-2011, 05:26 PM   #1
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Post-tension concrete foundation extension

Hi! I'm planning to build an addition onto my home and therefore need to extend the foundation. The existing foundation is a post-tension concrete foundation but the extension would be a standard rebar-type slab. Is it OK to pour another concrete foundation alongside an existing post-tension concrete foundation?

I know that it is OK to join concrete slab foundations but was wondering if there would be a problem with a post-tension type.

I realize that great care would need to be exercised when drilling holes in the existing foundation for the rebar pins to join the 2 foundations. Are there any other tips I should consider? Thanks.


Last edited by woody9911; 01-17-2011 at 07:30 PM.
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addition , foundation , post-tension

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