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In Germany a lot of prof firms manage to build a closed shop as wonderful prop method for themselves, with norms and "laws" worked out by themselves. They offer various methods against "damp walls" - all of them are senseless in technical sense, but manage to disguise this several years. For...

So you mean the 'rising damp phrase' in buildings would be an awful tragedy, isn't it? I agree.

OK, once again, the historic Town Hall of Bamberg: It's not Victorian, it's much older. What should be wrong with Victorian mortar? Besides it is filled up with faecal salts, perhaps. And this is the most common answer for damp walls inside. Often in my projects I found out, that once...

I am wondering, how much professional liars are round about the english houses! Their killerphrases will never end. Stop it by this! Good luck! Konrad

Why do you need a damp proof there? Is there an artesic fountain under the place you will build the garage? Will you sprinkle the soil under the floor by pipes? Is there a river pressing water in your fundaments? Ref. damp proof problems, you get a lot of info here. Good luck! Konrad

@Softus: Lovely! With such guys like you England would rule the world again, but I suppose, you're only a one man show :wink: Yours sincerely! Konrad

Regarding the rotten floor joists, I bet it's too much damp in the room's air combined with a convective heating system. The floor is cold, condensate will come in and never get out. Under the floor it is still warm enough for the rot and this types of organism like it dark. They have no need to...

Hi Bludger, it's really interesting what you are reporting. I'm so sorry, that i can not get this tv clip. The results you have mentioned are exactly what I've found out about this topic. And the traced damp in the special wall: It must be the same diameter in the pore system in the stone and...

To know the reality regarding dampness in buildings, I have written some text. Is it not enough to answer your questions? Please try this. Good luck Konrad

I suppose to repeat it more and more. Perhaps it may help better than clever advertisement from business against "Rising Damp" :wink: Konrad _______________________________ locked, see forum rule 20

You're welcome. Banning salty pakistan walls is better than talibanning :wink: . Best regards Konrad

Rising damp is not possible in masonry, because of the different pores volume. It's not possible to transport water by capillarity from little stone pores to big mortar pores: - Masonry after about 5 days in 'swimming pool' So it must be a salt deposit in your wall what's looking damp. So...

your heating is based on heated air. This will not reach enough the corners between wall and floor and ceiling. So there it is colder than midst of the wall and ceiling. If you produce a lot of humidity f.e. by 'shwrng', the big amount of humidty in this moment can not be exhausted...

Cementous pointing in Germany. Some years later ... Cheers Konrad

Problems: 1st Mortars with any amount of cementous binder will not 'breath' as well as pure lime receipts, the will store water and diminish capillar activity to dry out rain. 2nd Sharp sand has to few fine parts to get a good adhesion, the main thing before the carbonisation will make it...

@Frederick: I understand you totally and beg you pardon my sarcasticism. An other example of my bitter humour: As I started my Lime mortar lecture at RILEM / University of Paisley I showed this: The bombed Nuremberg - and commented: Germany is World Champion in Restorating Old Buildings since a...

(pardon, posting failure)

Ok, I suppose you're a craftsman, maybe a stone mason and you may or must have had some trouble with silly architects and conservators. I can follow you in some sense, but please believe me - and this will not be too difficult, that I can look to a horrible amount of bad experience with stupid...

Oh, what a lot of text. I must be more shortly: Belonging the grading all depends from the situation of the building, so my recommendation is meant 'about' and thus I wrote. You refuse to go into the arguments, you spare out the facts of the opposite site and it seems you are singing a...

You are banned by the pics. I showed my ones, you don't. And please do not forget the arguments. Thats your problem, I suppose. But I think we should stop this boring form of not discussing. The audience will certainly fall in sleep by our rounds without an end. Good night Sirs and Ladies...