Which product to be injected against rising damp?

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Dany Dutheil
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Which product to be injected against rising damp?




by Dany Dutheil » 12/11/12, 14:23

Hello,

I read all the old subjects on the subject but they are already a little old ... What's new under the sun concerning these products to inject to fight against the humidity of the walls? is resin still the best of the best? What advice to give to someone who wants to do it herself?

60 ml of stone walls (Bordeaux stone a little too soft for my taste ...) to be treated + the interior load-bearing walls too, of an old old house built in 1792 without foundation because by the river. .and so wet!

Thank you

dany
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dedeleco
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Re: which product to inject against capillary rise




by dedeleco » 12/11/12, 14:53

Dany Dutheil wrote:Hello,

I read all the old subjects on the subject but they are already a little old ... What's new under the sun concerning these products to inject to fight against the humidity of the walls? is resin still the best of the best? What advice to give to someone who wants to do it herself?

60 ml of stone walls (Bordeaux stone a little too soft for my taste ...) to be treated + the interior load-bearing walls too, of an old old house built in 1792 without foundation because by the river. .and so wet!

Thank you

dany


See specialists in renovating historic monuments, being wary of numerous scams, and asking see the buildings renovated at least 10 years ago, to check the reality of the effectiveness of the proposed solution, over a long time.

Otherwise the capillarity goes back to 20 cm or even 40cm at most, and above it is an abuse of false language, because it is actually evaporations, repeated condensations in the interstices of the wall, similar to what makes the rain , at the top of the mountains.

This explains that now in autumn winter, it is the season where it becomes very humid, because the still warm soil of summer, lets evaporate its humidity, which condenses in the colder wall (1 ° C difference sufficient) cooled by the cold exterior.

So waterproofing the foundations is a solution, drain deep at the periphery, even drain inside too, ventilate the wall to let these vapors come out of the wall (plaster plaster), instead of letting it go high up in the wall, there are solutions, possible, but to be done with great care, understanding the particular conditions, which can hide errors.
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by Rabbit » 12/11/12, 15:13

To see the height of the humidity rises, simply do
a photo of the exterior walls. It is obvious.
The height can go up to 1.5m.

I treated a house roughly 15 years ago. It did not move but I
no longer remember the product. This was done by injection.
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by elephant » 12/11/12, 15:55

The problem is not simple: a specialist (who had nothing to gain in the matter) one day explained to me that a diagnosis was first necessary, because there are several scenarios, the important being to know the one we are dealing with.

Personally, I would have several quotes made by long-established companies to assess the problem. I would then decide if the problem can be easily resolved by me ... or not.

Beware of the clearance at the bottom of the walls on old houses. I know someone who paid him very well ... from his house. He is lucky to be still with us! The house collapsed in seconds.
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by dedeleco » 12/11/12, 16:22

Beware of the renovations with modern waterproof plaster which blocks the exit of the water by evaporation (necessary breathing of the walls), and quickly destroy walls several centuries old, which they breathed freely before!

If there is such a plaster (a few decades old), remove it very quickly, before anything else !!

Be wary of muddy, incomprehensible sentences that betray a factual ignorance.

Explanations must be clear and verifiable, especially with examples made more than 10 years ago.
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by oli 80 » 12/11/12, 19:54

Good evening, here is something that dries up the walls, they call it an atmospheric siphon, you will all have the explanation here http://www.histoire-eau-hyeres.fr/612-puits_aerien.html

these are sort of cartridges, it's a Belgian invention
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by dedeleco » 12/11/12, 21:17

oli 80 wrote:Good evening, here is something that dries up the walls, they call it an atmospheric siphon, you will all have the explanation here http://www.histoire-eau-hyeres.fr/612-puits_aerien.html

these are sort of cartridges, it's a Belgian invention


This is also sold by several manufacturers.

But having a plaster well breathable with lime was once enough in the old walls, once.

Transferring an unsuitable and fairly recent plaster may suffice !!

To see very closely on the wall with wet problems !!

Otherwise the air well, collecting water from the air by condensation especially at night on cold surfaces, has existed for a very long time, invented by desert plants millions of years ago (succulents, cacti, agaves , etc .;) and used for centuries by so-called primitive populations in the deserts !!
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by Rabbit » 12/11/12, 22:49

dedeleco wrote:Explanations must be clear and verifiable, especially with examples made more than 10 years ago.


It is true that my experience is very limited. Thanks for reminding me.
I will try to find the name of the product that was used. It was
a product diluted in white spirit. The injections were made by
pros every 20 cm to mid depth of walls above level
exterior land.
The walls are very porous bricks, lime masonry. The foundation
is made of soft limestone, also lime-washed.
As I said, I am very happy, my problem has been solved.
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