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Each house somewhere has a damp, salty and mould-filled wall, or what? Have a look!:
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Consequently a huge quantity of diagnose experts, chartered building surveyors, manufacturers of chemical soup and
perpetuum mobile, craftsmen and wizards of “drying out and damp-proofing wet and damp walls” are specialized
on the wall dampness market (Look here for one of billion's ridiculous examples worldwide:
"Treatment of Salt Attack and Rising Dampness
on Heritage Buildings in Malaysia - By Associate Professor Dr. A Ghafar Ahmad and Haris Fadzillah Abdul Rahman. The
research was fully financed by Universiti Sains Malaysia's Short-term Research Grant.") And do you know that Mike
Parrett of Lewisham Council in London has investigated over 5000 buildings and has never found a sign of rising damp?
But not each owner of the moistured houses nor each owner of grants and funds is a clever guy. And so the foolish owner
will get the most crazy and most expensive bogus 'solution' for his problems, which have nothing to do with rising
dampness, despite it seems to him otherwise. Or is explained him as such from the members of "The major damp treatment
authorities within the U.K.: The British Wood Preserving and Damp-proofing Association (BWPDA) and The Property Care
Association (as is written in en.wikipedia) or other poison-spreading-experts and chemical-soup-lovers. And all too
often the fraud is based on electrical moisture meters / damp meter / protimeters, calibrated for timber, not masonry
or showing only the presence of fluid water and salt ions, in the hand of the charlatanes. These meters do not measure
pure moisture, they show electrical conductance depending on the ion transports in the wet / moistured material!
Here you'll find better solutions for your damp wall, but I recommend to read the following
first, to understand the recommended proven treatments for desalination and dehumidification / drying out the wet
walls a little better ...
Salty foundation wall of a brick house
No ascending dampness by capillarity, but consequence of current splash-water, water sucking cement joints and earlier
animal husbandry (follows mineral saltpeter (sodium nitrate))
Suggestion of the diagnosing craftsman: Borehole injection with salt-splitting off poisoned chemicals!
From my building consultation (photo owner): Salty wall, wrongly plastered - the result:
Plastered with cement mortars the bricks are blown off by salt crystallization, damp rope and frost.
Similar case from building consultation (photo owner):
Dampness-blocking cement plaster damages the salt-overloaded wall parts at most.
The cellar is built from stones, which can take up the humidity ideally, therefore black damp in parts marks the wet walls in the cellar. On the cellar is built a house in wood beam construction. I wanted to protect the wood structure against the ascending moisture, therefore the application of this product seemed to me ideally. The representative of the implementing company also made me anxious and predicts rotten wood by dampness.
Now, since that product is in the wall (4 weeks) I suffer with an eye irritation as soon as I am in the house. From 6 persons of my family were affected first 3. From 2 persons the complaints faded away after 3 days.My comment for you: Great! Building protection is called here probably damaging with poisoned chemical weapons, normally used against iraquish kids and grannies? The best: 'Avoid moisture' - walls to be injected with this must be totally dry - what is totally correct, because it is not possible at all to inject fluids in soaked building materials under the practically given means and conditions! And people shall never enter the injected house.
Typical ascending dampness according the experts. Here much should be
bored and injected. The mysteries solution was not on the hand, but on the other side: 
The rain discharge and the splash-water of the garden wall watered
the building, whole the years rain avoided to come in the ground drainage system.
And this around the corner:
And in former times here lived the pigs and goats.
The cold and salty wall of the former stable may be refreshed by
warm-damp air in hot summertime.
Rising damp near the floor?
Not ascending dampness, not from the outside oppressive dampness - it
is explosive ettringite as swelling salt reaction product of cementicious mortars with gypsum - sulfate salts in the
wall! Mortar of gypsum is used to fix the metal profiles to even the level of the tile underground - very good expert
know-how!!
A cellar after best design of 1939. The best bituminous and water repellent damp-proof
course in Third-Reich-Quality can do nothing against salts from in- and outside the walls.
Even not here.