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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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Bitumastic paint on brick
A previous owner of my son's house has painted part of the exterior wall
with black bitumastic paint in an attempt to solve a damp problem. In fact I think it's making matters worse by not allowing the brick to breathe. Does anyone have any suggestions or experience of removing similar? Grit blasting, magic chemicals, pressure washing, elbow grease or any combination of the above? Google throws up a variety of solutions so any suggestions gratefully received. Peter. |
#2
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Bitumastic paint on brick
"PJK" wrote in message ... A previous owner of my son's house has painted part of the exterior wall with black bitumastic paint in an attempt to solve a damp problem. In fact I think it's making matters worse by not allowing the brick to breathe. Does anyone have any suggestions or experience of removing similar? Grit blasting, magic chemicals, pressure washing, elbow grease or any combination of the above? Google throws up a variety of solutions so any suggestions gratefully received. I had this on a gable wall, it was quite old stuff. The wall was repointed and this got rid of a lot of it. I just scrapped off that which was loose and painted it. I would imagine that the property has lime mortar if it was painted with bitumen, in which case the lime mortar will disappear quicker than the bitumen. mark |
#3
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Bitumastic paint on brick
PJK wrote:
A previous owner of my son's house has painted part of the exterior wall with black bitumastic paint in an attempt to solve a damp problem. In fact I think it's making matters worse by not allowing the brick to breathe. Does anyone have any suggestions or experience of removing similar? Grit blasting, magic chemicals, pressure washing, elbow grease or any combination of the above? Google throws up a variety of solutions so any suggestions gratefully received. Peter. Methylene chloride paint stripper is relatively easy if the underlying brickwork is flat and the scraper can run across it smoothly. You'd need a lot of it though, so buy it in 5 litre sizes from a wood finish supplier (usually listed under "french polish supplies" or similar). |
#4
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Bitumastic paint on brick
On Nov 6, 5:13*pm, PJK wrote:
A previous owner of my son's house has painted part of the exterior wall with black bitumastic paint in an attempt to solve a damp problem. *In fact I think it's making matters worse by not allowing the brick to breathe. *Does anyone have any suggestions or experience of removing similar? *Grit blasting, magic chemicals, pressure washing, elbow grease or any combination of the above? *Google throws up a variety of solutions so any suggestions gratefully received. Peter. Yeah, it generally does make it worse. Blasting is a no-no, it will strip the brick face off, and the bricks then gradually disintegrate. Paraffin dissolves bitumen on contact, but simpler is to just repoint using lime. NT |
#5
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Bitumastic paint on brick
NT wrote:
On Nov 6, 5:13 pm, PJK wrote: A previous owner of my son's house has painted part of the exterior wall with black bitumastic paint in an attempt to solve a damp problem. In fact I think it's making matters worse by not allowing the brick to breathe. Does anyone have any suggestions or experience of removing similar? Grit blasting, magic chemicals, pressure washing, elbow grease or any combination of the above? Google throws up a variety of solutions so any suggestions gratefully received. Peter. Yeah, it generally does make it worse. Blasting is a no-no, it will strip the brick face off, and the bricks then gradually disintegrate. Don't be silly. Plenty of historic buildings have been tarted up that way. In most cases there is no practical way to remove paint without losing the faces. Has made no difference to any building I know of, including part of my own house that was done 20 odd years ago. Paraffin dissolves bitumen on contact, but simpler is to just repoint using lime. And leave the bitumen on the faces? |
#6
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Bitumastic paint on brick
On Sat, 07 Nov 2009 08:31:30 GMT, Stuart Noble
wrote: NT wrote: On Nov 6, 5:13 pm, PJK wrote: A previous owner of my son's house has painted part of the exterior wall with black bitumastic paint in an attempt to solve a damp problem. In fact I think it's making matters worse by not allowing the brick to breathe. Does anyone have any suggestions or experience of removing similar? Grit blasting, magic chemicals, pressure washing, elbow grease or any combination of the above? Google throws up a variety of solutions so any suggestions gratefully received. Peter. In the building conservation trade, the technique of choice is 1. Flake it off if it will come off easily. It probably wont, so ... 2. Magic chemicals. Peelaway is one name which comes to mind. Another is http://www.stripperspaintremovers.com/ Anna |
#7
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Bitumastic paint on brick
Anna Kettle wrote:
http://www.stripperspaintremovers.com/ Have bookmarked that one. Nice to find a proper trade supplier with sensible prices |
#8
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Bitumastic paint on brick
On 6 Nov, 17:13, PJK wrote:
Does anyone have any suggestions or experience of removing similar? Wire brush by hand. If it's damp behind, that will already have pushed much of the bitumen off the wall anyway, you just need to help it. The "scouring pad" whirly disks for paint removal are good here too, as they don't damage terracotta. I'm working through our Victorian gatepost pyramids with them. |
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