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-   -   Bad concrete drives (all over) (http://www.diychatroom.com/f105/bad-concrete-drives-all-over-141173/)

Startingover 04-23-2012 07:32 AM

Bad concrete drives (all over)
 
Very curious about this. In this area of Florida, while house hunting, (most houses 10-30 yrs old), I have yet to see a driveway that wasn't cracked. Good sized noticable cracks.

Why is this so common? Is this all the longer concrete lasts outside?

Didn't concrete guys have to lay rebar or use monolithic concrete? It's not like there's freezing and thawing here like up north.

I think I'll ignore it for now. I don't have much faith in concrete filler.

CplDevilDog 04-23-2012 07:56 AM

Speaking from a Production Housing standpoint, the bar is pretty low for pouring those projects.

Also, the Builder does not leave enough time in the schedule to cure properly and forces the Subs to pour in all kinds of weather that you shouldn't be doing concrete work in.

My concrete drive was poured 40 years ago and looks great despite the fact that I throw tons of calcium chloride on it every winter.

Wish I could take credit for that pour.

Startingover 04-23-2012 08:14 AM

thanks.

That makes sense. This 'city' is famous for it's lack of planning and random building. Houses were thrown up quickly.

I suppose the only solution would be to have a concrete guy cut out and replace the sections that are cracked. The back patio has a big crack also.

TRUEPRO 04-24-2012 07:05 AM

Biggest reasons why driveways crack in bulk:

Concrete company poured over freshly excavated dirt without proper substrate (2 inches rocks, sand) and they did not tamp or put remesh in. They most likely did many of the jobs in that neighborhood.

When these companies are given 20 driveways a month, they focus solely on volume, not quality.

Or, heres a crazy thought... they concrete company was using a good water-cement ratio (too much water because of the florida heat), thus adding a reducer weakening the mix and making it less durable. Who knows.

CplDevilDog 04-24-2012 07:19 AM

That is why I'm glad to be out of Production Housing. Your under orders to do it wrong.

We poured a footer on Wednesday morning and the block guys set the last block on the foundation Friday afternoon. :eek:

It looks like a house on the day the new owner signs the papers but oh man....:no:

Pigs-in-a-poke.....


Pig in a poke (funny) Piglets were sold in English markets in a burlap bag called a poke. When times were tough, farmers would put a cat or puppy in the bag to defraud the customer. Also where the expression "Let the cat out of the bag" came from.

TRUEPRO 04-24-2012 07:20 AM

Haha nice little history lesson here good stuff!

Startingover 04-24-2012 07:22 AM

If I ever should have a budget to do concrete repairs what can I do to ensure that the same thing won't happen?

thanks

HAHA, never knew where those sayings came from, but back in rural Ohio we used a lot of old folksy sayings.

CplDevilDog 04-24-2012 07:32 AM

Educate yourself on Concrete.

Get references.

Don't force the Contractor into a low bid situation. Low Bid should be called "Lose-Lose Bid". Your lowest bid guy is either:

1. Just getting started and needs the work. They may have the best intentions but not the know how.

2. Going to cut corners to land the job.

3. A guy who enjoys the work and does it right for reasons deeper than profit. Rare

TRUEPRO 04-24-2012 07:32 AM

Dont waste your money. You can cut out and fill every hole/crack you want but the slab will continue to settle. If you dont have a budget to get it replaced and you want to seal the cracks, use elastomeric caulk. It will expand with the concrete and keep the voids filled over the years. Recommended grind the cracks out first so you can get more caulk in the crack.

Also, the average price down there in florida to remove and replace driveways is $10 per square foot.


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