I'm not positive but I don't believe he was suggesting to have the post set on top of the cement. I think the idea was to make sure that the hole drilled would not be drilled completely through the cement all the way into the soil. Meaning drill it 3" instead of the full 4" or something. That way the bottom of the post won't be exposed to the soil.
Steve
The existing posts are set through the cement and surrounded by a felt, I don't know how they are set in the ground as they where there when we moved in. For simplicity, I like the idea of setting them on the cement slab, however if some posts are in the ground and some on top of the cement would that cause a problem?
ltd
On 6/24/2012 12:34 PM, Steve Wilson wrote:I don't think you actually want to put the lumber down to the soil level. What is usually done is a steel base for the timber with an anchor hole at the bottom is placed at the base of the timber. Then a matching hole is drilled in the concrete to place the anchor. That keeps the timber off the ground and away from moisture that will rot it.
This is an example of one I found. There are several different designs.
http://www.homedepot.com/h_d1/N-5yc1v/R-100374896/h_d2/ProductDisplay?catalogId=10053&langId=-1&keyword=post+base&storeId=10051
Steve
On 6/24/2012 8:44 AM, L.T. Davies wrote:
I want to put two 6"X6" treated lumber posts into an existing cement
patio for an extension of a deck. The cement is about 4" thick. I know I
can drill a hole in the cement, but is there a way to "drill" a square
hole to fit the 6"X6" lumber into the existing cement?
Thanks,
ltd
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