condensation would only form in that shape if it has a corresponding cold bridge, is there anything like that in the wall or the other side?
Looks like it’s travelling in that way inside the wall rather than condensation so a slow leak from something, presume there’s no diagonal crack in the brickwork?
condensation would only form in that shape if it has a corresponding cold bridge, is there anything like that in the wall or the other side?
Looks like it’s travelling in that way inside the wall rather than condensation so a slow leak from something, presume there’s no diagonal crack in the brickwork?