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flyboylr45 03-29-2013 03:48 PM

Is this the right way of doing it??
Hi all,

My father in-law came to visit and we started talking about adding to the current slab. I'm very handy and love construction but have never done cement work. I want to know from the more experienced members if this is the right way of doing it and if it will last. I know it's a little late. :no: The rebar is 1/2 inch and about every 18 inches epoxied into the home's foundation and the sides of the existing slab. The thickness is about 5 to 6 inches and it was compacted before the pour. Tell me what ya'll think. :)

And here is the finished product.

joecaption 03-29-2013 03:58 PM

I never would have attacted the slab to the house.
A slab will move up and down a house foundation should not.
There should have just been an expantion gap between the house and the slab.
I've never even seen rebar used in a slab extention like that.

joed 03-29-2013 04:06 PM

Agree. For a patio no need for rebar. Maybe for a garage floor. It also should not have been attached to the house foundation.
You didn't post your location so If you live in an area that does not have frost then you might be OK.

flyboylr45 03-29-2013 04:08 PM

I'm in Florida. All the stuff I read mentioned attaching it to the foundation. What would be the trouble by doing it this way? Just trying to learn. :)

flyboylr45 03-29-2013 04:08 PM

In fact, my mom had sort of the same thing done in her house and the inspector said it had to be done.

joecaption 03-29-2013 04:10 PM

Please go back and add your location to your profile.
Simple as going to Quick links and edit.
Even in a garage slab it's only needed on the outside in the footing.

flyboylr45 03-29-2013 04:22 PM

The system won't let me edit my details. So is the rebar hurting anything? What is the problem with attaching it to the foundation?

ddawg16 03-29-2013 05:06 PM

It doesn't matter now......while not needed, it doesn't hurt to put in rebar there....

I personally think you did a nice job....and the extra patio slab looks like it really helps...

flyboylr45 03-29-2013 05:18 PM


flyboylr45 03-29-2013 05:22 PM

Sorry, trying to get my post count up as well. If I were to decide to finish the other side, should I just do the same thing or not tie it into the house? In the near future, we are going to put a pool in. Is there going to be a problem tying these slabs together? What if I decide to put a cover on the patio?

jagans 03-29-2013 06:51 PM

Great Job. The rebar is probably overkill for a slab on grade, and it should be about 1/3 from the bottom, but the job looks great. I personally like a sponge float finish, but thats personal. Pinning to the foundation is probably fine in FL. Did you tap the forms to get rid of honeycombs and edge it?

Wet it down three times a day for a couple of weeks. :thumbsup:

flyboylr45 03-29-2013 07:33 PM

Thanks!! I did and we are still wetting it. The reason we did the broom finish was to match the existing slab.

joed 03-29-2013 09:18 PM

The rebar in the slab is not a problem just extra expense that is not really needed. The main problem if you are in a frost area is the attachment to the house. The sidewalk will raise and lower with winter frost. I have seen walls lifted an inch when the sidewalk was attached to the wall.

Nailbags 03-29-2013 09:25 PM

I am just amazed at how you got the cement to be upside down like that.
Don't fret about it did a great job adding rebar never hurts. Only helps.

flyboylr45 03-30-2013 03:15 AM

Lol lol. Thanks.

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