[GSBN] Sticking clay on top of lime?

[Tom Woolley]

Dear Rikki

There is little doubt that a clay plaster will fall off if applied to a lime washed wall

Hemp lime plaster will be a better solution . Once it is dried a clay paint can be applied 
https://earthbornpaints.co.uk/product/claypaint/ <https://earthbornpaints.co.uk/product/claypaint/>

Here are a couple of examples of hemp lime being applied to old walls

http://hemplimespray.co.uk/ <http://hemplimespray.co.uk/>
https://www.simonjameslewis.com/bristol-hemp-and-lime/ <https://www.simonjameslewis.com/bristol-hemp-and-lime/>
We are working on a clay hemp solution but it is quite early days and I have not tried applying it to a wall that has already been lime washed

Tom

Dr. Tom Woolley
 
80 Church Road
Crossgar
Downpatrick
BT30 9HR
Tel: 028 44 831164






> On 27 Jul 2020, at 11:00, M. Oehlmann <martinoehlmail at gmail.com> wrote:
> 
> Dear Rikki,
> What about a hemp-lime render?
> Best wishes from an old farm up in the mountains of Haute Savoie.
> Martin O:)
> 
> On Mon, 27 Jul 2020, 11:55 Rikki Nitzkin, <rikkinitzkin at gmail.com <mailto:rikkinitzkin at gmail.com>> wrote:
> Hi all, 
> 
> I have an unusual request. A couple who has been repairing an old stone home with lime mortar want to finish with clay plasters inside. However, although the existing finish is quite irregular, most of the stones are covered with lime or lime wash. Has anyone tried sticking a clay plaster on top of lime? I have never done that. I am worried that over time it will fall off. 
> 
> I had thought to add a bit of lime to the clay mix in order to help it stick, but I would rather avoid it if possible. It would be great to be able to work without gloves…
> 
> I am attaching photos of the lime-finished wall, in case that helps.
> 
> Thanks! 
> 
> Rikki
> 
> Rikki
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