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-   -   What is the minimum aggregate base depth for a patio? (http://www.diychatroom.com/f105/what-minimum-aggregate-base-depth-patio-143288/)

greentrees 05-10-2012 01:11 AM

What is the minimum aggregate base depth for a patio?
 
I have read online that a 4 inch aggregate base is used for a patio. Is there a minimum that would cause problems in the future? I assume a contractor may quote a smaller aggregate base to save money.

TRUEPRO 05-10-2012 11:48 AM

Im not aware of any code or minimum, but the standard i go by would be no less then 3.5 inches of tamped stone/sand base. Strong substrate=strong concrete.


GL


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