Replacing Small Cracked Porch/Slab (with Pictures) - Concrete, Stone & Masonry - DIY Chatroom Home Improvement Forum


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Old 03-24-2012, 07:59 PM   #1
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Replacing Small Cracked Porch/Slab (with pictures)


Hi Everyone,

I've attached a picture of the small cracked porch in front of one of my door entrances. I would like to replace this.

I am not sure why it cracked. Perhaps there is no re-bar or other type material in the porch? Maybe this is why overtime it just cracked?

Besides concrete, what would be the material needed to reinforce the concrete so that this does not happen again?

Anyone have any good resources that I should follow in building a new porch or concrete slab?

How thick should the slab be considering right now it's 42 x 36 inches?

Thanks,

Jason
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Old 03-24-2012, 08:31 PM   #2
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Replacing Small Cracked Porch/Slab (with pictures)


It most likly failed because the propper prep work was not done under it before poring.

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Old 03-24-2012, 09:47 PM   #3
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Replacing Small Cracked Porch/Slab (with pictures)


For a slab that small you never really need to use rebar. If I were pouring a slab like that, I would make it at least 4-5 inches deep.

As mentioned by joecaption, the correct prepwork was probably not done. Check out YouTube... there are a lot of very good howtos on pretty much anything you will ever want to do. Here is one that may be helpful:
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