We have a 1905 Victorian End Terrace.
Walls are 9 inch brick, plastered on brick inside and unfortunately painted on outside 20 years ago. Probably not sealed very well at all.
If window is open quite a bit the cold external bedroom walls (North facing) will be dry.
If closed the walls get ringing wet with condensation.
Only the corners and about two feet left and right top to bottom are wet behind a chest of drawers and above.
Much of the plaster on these walls is dry.
What is the likely reason for this wet corner being so damp?
Should we chop these two walls back to brick, seal the walls and then add two layers of thermal plasterboard?
Or should we start by installing a 1st floor level modern air brick vent behind the chest of drawers and also seal and repaint the walls outside with a really good quality water repellent and weathershield paint?
Thanks in advance....
Walls are 9 inch brick, plastered on brick inside and unfortunately painted on outside 20 years ago. Probably not sealed very well at all.
If window is open quite a bit the cold external bedroom walls (North facing) will be dry.
If closed the walls get ringing wet with condensation.
Only the corners and about two feet left and right top to bottom are wet behind a chest of drawers and above.
Much of the plaster on these walls is dry.
What is the likely reason for this wet corner being so damp?
Should we chop these two walls back to brick, seal the walls and then add two layers of thermal plasterboard?
Or should we start by installing a 1st floor level modern air brick vent behind the chest of drawers and also seal and repaint the walls outside with a really good quality water repellent and weathershield paint?
Thanks in advance....