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Author Topic: Hygroscopic Salts  (Read 2152 times)

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Sir Tigger KC

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Hygroscopic Salts
« on: 23 March 2022, 20:20:33 »

I've had penetrating damp in a property I own after the neighbours faulty gutter was pishing water down my gable end for months.  ::)  >:(

The damp patch appeared in October, the gutter was fixed pronto and it's largely dried out over the winter. I went round a couple of weeks ago and the paint was flaking, and as I peeled it a patch of plaster skim came away as well, so I scraped and sanded back until the edges were firm.

I went round again a couple of days ago and the edges of the patch were peeling slightly, but salts had appeared on the bare plaster.

Am I right in thinking that there is no point in repairing this until the salts have stopped coming through, as my repair will get blown off as well?  ???
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Varche

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Re: Hygroscopic Salts
« Reply #1 on: 23 March 2022, 23:49:09 »

Sounds like every house in Spain - that is why they have fancy tiles up the first metre of the walls!
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Marks DTM Calib

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Re: Hygroscopic Salts
« Reply #2 on: 24 March 2022, 08:35:22 »

Absolutely no point, in fact you may well have to remove considerably more of the plaster, down to the brick, over a larger area, to get it to dry out properly before proceeding further
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Raeturbo

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Re: Hygroscopic Salts
« Reply #3 on: 24 March 2022, 10:48:14 »

Yes it is efflorescence, it will have to come off, be prepared properly, re rendered  and skimmed.
« Last Edit: 24 March 2022, 10:54:59 by Raeturbo »
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Sir Tigger KC

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Re: Hygroscopic Salts
« Reply #4 on: 24 March 2022, 18:14:53 »

When I first saw it back in October I considered hacking it all off back to the stonework so it would dry out quicker, but I was so pissed off I didn't bother.  ::)

Wish I had now......  :-\
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Raeturbo

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Re: Hygroscopic Salts
« Reply #5 on: 25 March 2022, 01:36:03 »

Is it in Bleanllechau?
« Last Edit: 25 March 2022, 01:39:13 by Raeturbo »
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Viral_Jim

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Re: Hygroscopic Salts
« Reply #6 on: 25 March 2022, 06:50:55 »

Isn't this one to put with the house insurance? Or more likely your neighbor's as they caused the damage?  :-\
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Sir Tigger KC

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Re: Hygroscopic Salts
« Reply #7 on: 25 March 2022, 11:13:12 »

Is it in Bleanllechau?

Pontygwaith Rae.  :y

Bit of chaos round your manor last night eh?  :o   Never a dull moment in the Valleys!  ;D
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Sir Tigger KC

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Re: Hygroscopic Salts
« Reply #8 on: 25 March 2022, 11:18:27 »

Isn't this one to put with the house insurance? Or more likely your neighbor's as they caused the damage?  :-\

Probably could Jim, but the affected area is quite small, so it's an easy DIY repair, even if I end up hacking all the plaster and render off.  :y

I just don't want to do it now, just to have it come off again in a few weeks.  :-\
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Viral_Jim

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Re: Hygroscopic Salts
« Reply #9 on: 25 March 2022, 11:59:58 »

This is true. Nothing worse than doing a job, then doing it again immediately after!
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Raeturbo

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Re: Hygroscopic Salts
« Reply #10 on: 25 March 2022, 22:59:43 »

Is it in Bleanllechau?

Pontygwaith Rae.  :y

Bit of chaos round your manor last night eh?  :o   Never a dull moment in the Valleys!  ;D
              Yes indeed Tylorstown workman’s burnt to hell 4 arrests apparently. I’ll have a look for you when your down give me a shout 👍
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Sir Tigger KC

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Re: Hygroscopic Salts
« Reply #11 on: 26 March 2022, 20:15:20 »

Is it in Bleanllechau?

Pontygwaith Rae.  :y

Bit of chaos round your manor last night eh?  :o   Never a dull moment in the Valleys!  ;D
              Yes indeed Tylorstown workman’s burnt to hell 4 arrests apparently. I’ll have a look for you when your down give me a shout 👍

Cheers Rae, it' only a small patch though ,so if needs be I'll hack it off and repair it.  :y

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Raeturbo

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Re: Hygroscopic Salts
« Reply #12 on: 26 March 2022, 20:34:10 »

No probs Ill give you advice if you want👍
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Sir Tigger KC

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Re: Hygroscopic Salts
« Reply #13 on: 27 March 2022, 13:40:23 »

Cheers Rae!  :y
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Re: Hygroscopic Salts
« Reply #14 on: 27 March 2022, 14:49:20 »

Cheers Rae!  :y
I can give you some advice, too, but it will have nothing to do with gyroscopic salt  ;D
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