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Hi I have a corner of a NE facing stone cob wall. Heavily covered in mould, it has had foam wallpaper added on it to cover up, but mould/damp coming though from the bottom. There were two large crack in the render which looks like its been patched in the past, I have cut the cracks and filled with silicon temporarily until I decide what to do. The render is not blown. There is also an outside drain near the corner in front of the house.
Does anyone have any ideas as to what is causing it? Rising damp? Or condensation or penetrating damp?
What would a more permanent outside repair be, repair the render with new for 1inch with new render?
If the render is leaking still how long should the mould take to clear once the repair is good? Or should I rip off the affected area and tank it?
Thanks in advance.
View media item 72978 View media item 72977
Does anyone have any ideas as to what is causing it? Rising damp? Or condensation or penetrating damp?
What would a more permanent outside repair be, repair the render with new for 1inch with new render?
If the render is leaking still how long should the mould take to clear once the repair is good? Or should I rip off the affected area and tank it?
Thanks in advance.
View media item 72978 View media item 72977