damp patches on plaster.

[bullnose]

hello, my hall was artexed, i had it skimmed, [ 5 years ago] in the last 2 years damp patches have appeared, when i tap the damp spots it sounds hollow. the worst place is at the foot of the stairs. has anyone
got any ideas?

thanks inadvance.

 

[HERTS P&D]

You've got a leak.

Or a dog?

Andy

 

[bullnose]

You've got a leak.

Or a dog?

Andy

spot on. carbante et dictoli !!