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Hi, recently had a concreter disconnect my airconditioner while pouring a concrete slab. While doing this they let all the refrigerant escape. How/ who can replace this ?

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Do not know where you are located, but these people should have never tried to disconnect the unit. Most states require the a person working on a HVAC unit be licensed and the EPA requires that anyone working with freon also be licensed. Venting freon to the atmosphere is a big time no no and subject to a very large fine. I would require this contractor to hire at their expense, a licensed a/c contractor and have them pay for it since they caused the problem. Freon is getting to be very expensive

Posted on May 15, 2008


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Is it posiible to level a concret slab after its set

Self Leveling Concrete Overlays The Concrete Network

This will correct a small correction of a about 1/4 inch. Other than that If its not level when poured it will be not level.

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Is it possible to level a concret slab after CONCRETE HAS SET?

There are companies that raise sidewalks, etc. You may find it cheaper to have someone remove yours and pour a new one, depending on the size. I don't know where you are so can't provide any company names. You may try HomeAdvisor com Get Matched to Top Rated Remodelers Plumbers and More

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Is there a concrete floor sealant that eliminated moisture seeming through the concrete slab?

if you want to seal the surface a epoxy paint is good !

but if the water come from under the concrete slab only a hole with aggregates ( small rocks ) and a swamp pump works fine !

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How do i know how many cubic meter of concrete pour in 50 squre meter and 50m

as in any volume calculation, follow this formula:

a x b x h = volume
a x b = area
h = height
all dimensions must be in same units, if you use m, all must be m, if you use ft, all units must be ft, use decimal not inches in imperial measurement.

in your example you give area of 50m2, you did not give what thickness of the slab, or should i assume this is 50m thick slab?!?

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How can i build a cement speed bump?

Is this for vehicles? If so concrete won't work as it will be too brittle especially when it gets cold.

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How to repair a water pipe leak under a concreat slab

Things to consider are cut and replace -1. Concrete saw the affected area replace and re-concrete (impact hammer is another option but a concrete saw is neater and you can control the cut better.. 2. You can bypass the pipe. 3. Dig under the slab - you obviously would need to be near an edge.

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What is post tension slab

It is a slab of usually Concrete that has Tension introduced upon it's Reinforcing rods/cables, AFTER it has been Poured, dried/set as opposed to a Pre-tension slab whereas the Tension is put on the reinforcing rod/cables inside the concrete and are Tensioned BEFORE or While it drys/sets

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