ive just decorated my front room, and i appear to have completely wasted my time.
i stripped the existing wallpaper that was around 25yrs old, and painted over 100+ times.
bonded the walls as its plasterboard walls using a paste type solution similar to wallpaper paste.
i let this dry then started hanging the wallpaper.
i came down the next day and noticed oily patches all over the walls, at first i thought it was just not dried or whatever.
but no, i noticed it on areas that were not stuck down properly the first time round, and went around adding little bits of wallpaper paste under the bits id missed on joins etc.
well, 2days later i still have these damn patches all over my walls, it looks awful and im so miffed at the prospect of having to do it all over again :(