Latest Discussions : Basement & Foundation

sydcollc

08:06AM | 05/20/07
Member Since: 05/19/07
2 lifetime posts
Why are basements more prevelant up north than in the south?

Billhart

08:47AM | 05/20/07
Member Since: 04/25/05
1915 lifetime posts
The main reason is that for "common" foundation construction requires that the footing be below frost depth. In the midle states (Ky, MO) that is about 30" and in the northern states 48-54".

In the far south there is no frost deepth and you can just clean the surface and use intergal footers that are down 18" and poured with a slab.

After digging down that deep it does not cost a lot more to make it into a basement.

But there other ways around this and there are lots of variables such as soil types and water table levels that will affect this.

sydcollc

11:13AM | 05/20/07
Member Since: 05/19/07
2 lifetime posts
You would only be digging a 12" width footing for a 8" block foundation wall. That would still require a ton of grading work. Would the cost be that beneficial?

Billhart

02:07PM | 05/20/07
Member Since: 04/25/05
1915 lifetime posts
"You would only be digging a 12""

You have to be able to lay the blocks or have space for forms for poured walls. Then you need space to damp proofing and drain pipe.

This is outside my experience, but I suspect that you need 40 to 60" wide "trench".


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