I would hire a leak detection company first. They should be able to pinpoint the leak to within 1 foot. A leak detection company is not always a plumber, but they can be. Ask them. Use someone like United Leak Detection or American leak detection Than I would consider either jackhammering thru the floor and fix the pipe, or bypassing all that and just run new lines thru the walls and or attic. If you are in a warm climate this can be a better option for you. In cold climates, you need to have a second story so that freezing is not a problem. Problem is that your leak might just be the first one of many to come. Thus therefore, I would recommend just bypassing all the jackhammering and such, and just have the plumber run new lines.
So my answer is: run new lines thru the walls or attic. Unless you can't then you won't.
First, identifying the source of the leak is absolutely critical. Otherwise any fix employed is a shot in the dark.
If there are any joints in the horizontal plane, those need to be inspected for a proper seal.
Depending on the conditions, you also need to be aware that concrete is a porous material that absorbs water and it will pass completely through a roof slab that has not been waterproofed. Another consideration is that unless a concrete slab has been stabilized [see StableCrete.com] the internal chemistry of a concrete will migrate out to a surface. This migration to the surface will cause delamination of any surface membrane or coating applied. Happens commonly to paint applications with alkali burn and peeling.
If a roof membrane is installed and has developed an area where water is entering, this water under the membrane will penetrate the concrete and wind up on the underneath side. How much or little water will depend entirely on the porosity of a concrete roof deck that has not been waterproofed!
M20
elephant
Yes a u-value or SAP calc expert can
actually you use mortaar mix pre blended spec or sand and plastic cement 1 to 4
In anarid region, concrete placed as a road slab or roof slab gets dried up in a very short time, say within 2 hours.This condition should be maintained for 24 hours or at least till the final setting time of cement at which duration the concrete will haveassumed the finalvolume.Normally curing is done for 28days at 90% of strength gain is achievedUntil maximum design strength is achieved (should be 28 days): Concrete does not gain strength by "Drying out". It gains it through a process known as hydration. The road slabs used as an example in the first post will still undergo hydration once water makes contact with the concrete. (rain). k.k
Clay tiles are installed on a roof by spreading a thin layer of concrete on the roof and setting the concave face of the tile into the concrete.
I believe you mean the ceiling, which is concrete.
You have a major problem. concrete is not water proof (liquid or vapor)or really even water resistent. If you look at a concrete pool or tank, a thin plaster coating provides the water proof layer - not the concrete. Your best bet is to remove the concrete, lay down a real water proof layer and reinstall the concrete. You can put so called water proof paints/materials on the cement, but they will only last a few years. In the mean time, you will have completely rotted the wood framing that supports the concrete slab.
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M20
marble and concrete slabs.
With a lot of Elmers Glue. With a lot of Elmers Glue. With a lot of Elmers Glue.
The English term 'leakage' can have several meanings, including:1. an unwanted discharge of a fluid or gas from from a container which was designed not to leak;2. an unwanted leakage of electrical current from something (such as a battery) which should not normally lose any current when it is disconnected from a circuit.
elephant
Mould is mostly caused by humidity or leakage. For example, if you have mould on your ceiling, you should check if your roof isn't leaking.
In most cases the association is responsible for mantaining the roof and structure. It should the the association's insurance problem.
the roof, the roof, the roof is on FIRE but we dont need no water...