A
Anonymous
Guest
Hello,
I've just removed the plaster from a terraced house wall to reveal an original tar DPC between the bricks at low level. The reason for removing the plaster was to inject a DPC but I'm thinking I don't need to now because of this tar DPC. I think one reason for the rising damp is that, behind some wooden skirting board, I found that there was old loose plaster and dirt providing a bridge over the DPC (there also seems to be a gap at the edge of the concrete floor down to ground level). Another reason may be that, in other areas, there was also some old plaster skirting (which I have now knocked off), which was bridging over the DPC. Surely, this was a bad practice?
Am I on the right track with my diagnosis?
I'm thinking that if I just paint a bitumen coating onto the edge of my concrete floor, after filling in the gap with sand and cement mortar, and then continue up to the DPC, then when I plaster, stop about an inch or two from the floor and refit skirting board, this should do the job?
Thanks!
I've just removed the plaster from a terraced house wall to reveal an original tar DPC between the bricks at low level. The reason for removing the plaster was to inject a DPC but I'm thinking I don't need to now because of this tar DPC. I think one reason for the rising damp is that, behind some wooden skirting board, I found that there was old loose plaster and dirt providing a bridge over the DPC (there also seems to be a gap at the edge of the concrete floor down to ground level). Another reason may be that, in other areas, there was also some old plaster skirting (which I have now knocked off), which was bridging over the DPC. Surely, this was a bad practice?
Am I on the right track with my diagnosis?
I'm thinking that if I just paint a bitumen coating onto the edge of my concrete floor, after filling in the gap with sand and cement mortar, and then continue up to the DPC, then when I plaster, stop about an inch or two from the floor and refit skirting board, this should do the job?
Thanks!