Bricks, Masonry, Asphalt and Concrete - Frost Line Under House?
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shoeless
06-10-09, 10:54 AM
Building a crawl space foundation. Question. Should the frost line be measured from under the house or outside the house?
I ask because with my current plan the top of some of the footers will be visible if viewed from under the house. On the outside, they will be 12" under ground (our local frost line).
Is there a minimum depth for the frost line UNDER the house?
I ask because with my current plan the top of some of the footers will be visible if viewed from under the house. On the outside, they will be 12" under ground (our local frost line).
Is there a minimum depth for the frost line UNDER the house?
marksr
06-10-09, 01:24 PM
The frost line is the depth under the grade/ground level.