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breathable paint for stone walls?


 
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sparkiedave

from United Kingdom

Joined: 01 Jan 2009
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Location: Gwynedd,
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PostPosted: Sun Apr 12, 2009 8:16 pm Reply with quote

What is the best paint to use on plaster in a stone cottage, been told it needs to be able to breathe to help prevent damp getting locked into the wall
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Wandle2

from United Kingdom

Joined: 16 May 2008
Posts: 27
Location: London,
United Kingdom

PostPosted: Mon Apr 13, 2009 11:29 am Reply with quote

Hi
there are several breathable emulsions. I think they are the water-based ones, not the ones with vinyl. I used one on my cottage in Sussex, as it's damp and I was told the walls needed to breathe.
I'm not in the cottage at the moment, so can't tell you the name, but I got it from my local Brewers decorating shop. It's what they use on new plaster.
Otherwise, Farrow and Ball do all their various colours in breathable emulsion. You can email their website and they will tell you (I did ask, and got an answer, then decided I'd just paint the walls white, so bought the Brewers, much cheaper, paint).
Julia
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sparkiedave

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PostPosted: Mon Apr 13, 2009 8:45 pm Reply with quote

Cheers for that
I was told similar by a spotty faced young kid in a decorators merchants, wasn't quite sure whether I should trust his advice but looks like he may have been right icon_lol.gif
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Zampa

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PostPosted: Wed Apr 15, 2009 5:29 pm Reply with quote

Ordinary contract emulsion like covermatt, Jonmatt, or Supermatt will do the job...and half the price of 'paint for new plaster' which is the same thing
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Wandle2

from United Kingdom

Joined: 16 May 2008
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Location: London,
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PostPosted: Wed Apr 15, 2009 5:37 pm Reply with quote

Zampa

"Paint for new plaster" was just the man in Brewers' description of the paint. What he gave me could not be described as expensive paint. Wandle
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Zampa

from United Kingdom

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PostPosted: Wed Apr 15, 2009 6:30 pm Reply with quote

Ah right im with you now..i thought you was refering to Dulux's own one..which, the last time I looked was 30 quid a pop icon_eek.gif

You wont got wrong with ordinary non vinyl emulsion Sparkie..it will do the same job as the 'poncy paint' (farrow and ball) lol
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sparkiedave

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PostPosted: Fri Apr 24, 2009 8:09 pm Reply with quote

cheers for that, looked at a wiring job the other day, someone said, "we're on a very tight budget" I noticed the tins of Farrow & Ball or whatever it's called and asked "if you're on a tight budget, how come you're usin that stuff" continued with the job and charged them my normal price, noticed that the poncy paint smelled very similar to Leyland icon_lol.gif
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Zampa

from United Kingdom

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PostPosted: Sat Apr 25, 2009 11:43 am Reply with quote

Like a lot of customers mate, happy to spend money on themselves but not on a good tradesperson..

I have a regular customer who has a brand new car every 3 years and wouldnt pay anything less than 60 odd quid for a pair of shoes, all her clothes come from the best shops, hair done every three weeks.. yet whenever she asks for a price for anything its always 'dont forget, cheap job, im own my own and have always come to you over the years'

I wonder if she says the same thing in her local co-op

**** em
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brinerustle

from Spain

Joined: 28 Apr 2011
Posts: 1
Location: Spain

PostPosted: Thu Apr 28, 2011 8:16 am Reply with quote

sparkiedave wrote:
What is the best paint to use on plaster in a stone cottage, been told it needs to be able to breathe to help prevent damp getting locked into the wall


No synthetic paint will give you the breathability - the correctly term for walls is vapor permeability - of a mineral paint.

Synthetic paints (both oil paints AND latex emulsions) are made from oil distillates and will eventually bubble and peel because they are a moisture barrier. Even the so-called breathable ones have a fraction of the breathability of mineral paints.

Mineral paints are the best solution, they are non-toxic and ecological and the best choice for preservation of architectural heritage. They are antistatic so they do not attract as much dust, are alkaline so they never grow mold and rarely moss, are just as vapor permeable as stone, good for interiors or exteriors, withstands any temperature, does not release toxins over time, and do not release toxins even in a fire.

The cheapest alternative is lime paint. This has been in use for millenia and many old buildings have suffered since it has fallen out of use. However, lime is not as durable to rubbing or scratching (stairwells, hallways, etc), weathering, acid rain, etc. This is because calcium is a very soft mineral. However, a simple lime whitewash is far cheaper than any other alternative. It cannot be applied on horizontal surfaces where water pools.

The best alternative for stone - it lasts much longer than any other type of paint, just as vapor permeable as stone, good for interiors or exteriors, is washable - is silicate mineral paint Some are emulsions which contain small amounts of petroleum distillates and may offer a wider range of colors, others are pure minerals. These petrify into the stone and will last for decades, perhaps centuries, without a recoat.

If the cabin has already been painted with an oil or latex paint, the surfaces will first need to be stripped down to the stone before applying a mineral paint.
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pigeontoes

from United Kingdom

Joined: 03 Mar 2014
Posts: 1
Location: United Kingdom

PostPosted: Mon Mar 03, 2014 9:23 pm Reply with quote

Hi there,
I'm new to the site and have been readings some posts from way back about breathable paint for interior stone walls - thing is, i need to first strip existing paint and am not sure how to do that? The walls have been taken back to the orginal stone at some point and then rendered over and painted, but the paint has bubbled a lot (i'm told from salt in the walls, maybe) and i would ideally like to use a lime paint on it.
any ideas gratefully accepted!
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MelodyMartin

from Canada

Joined: 05 Mar 2014
Posts: 2
Location: Ontario,
Canada

PostPosted: Tue Mar 11, 2014 7:13 am Reply with quote

For painting, it needs to be consider its quality. As if not it won't be there for long time.And specially in case of kitchen paints.
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