Hi and apologies if this is a duplicate of an existing topic.
I have a Shaftesbury Greenstone house, which over the years has had various paints applied to the external masonry. One wall in particular has a longstanding damp issue, which I believe is due to the paint layers trapping in the moisture.
The local Conservation Officer is supportive of removing the paint though we need to agree the method and also what to do with the exposed surface.
Various methods have been tested for removing the paint including a blowtorch and four different types of chemical stripper. These are all effective to varying degrees on the surface layer (believed to be Weathershield) but underneath this is a layer of grey paint which I believe is mineral based though original brush marks are visible. I’m guessing that this is perhaps a Sandtex type product.
Given that a range of chemicals and blowtorch has no effect on the grey paint will I have to resort to an abrasive method like a needle gun or scabbler please?
Also the Conservation Officer has said that “Whilst the removal of non-breathable paints/covering is positive, it is unlikely that the stone will be able to remain exposed due to the damage done by the previous covering.”
Any advice or insight appreciated to clarify what damage the coverings could have done which necessitates a new lime wash being applied please?
Thanks, Nigel.
I have a Shaftesbury Greenstone house, which over the years has had various paints applied to the external masonry. One wall in particular has a longstanding damp issue, which I believe is due to the paint layers trapping in the moisture.
The local Conservation Officer is supportive of removing the paint though we need to agree the method and also what to do with the exposed surface.
Various methods have been tested for removing the paint including a blowtorch and four different types of chemical stripper. These are all effective to varying degrees on the surface layer (believed to be Weathershield) but underneath this is a layer of grey paint which I believe is mineral based though original brush marks are visible. I’m guessing that this is perhaps a Sandtex type product.
Given that a range of chemicals and blowtorch has no effect on the grey paint will I have to resort to an abrasive method like a needle gun or scabbler please?
Also the Conservation Officer has said that “Whilst the removal of non-breathable paints/covering is positive, it is unlikely that the stone will be able to remain exposed due to the damage done by the previous covering.”
Any advice or insight appreciated to clarify what damage the coverings could have done which necessitates a new lime wash being applied please?
Thanks, Nigel.
