If you have wallpaper in your home and you live in a hot and humid climate with air conditioning running most of the time, you might want to reconsider using paint instead of wallpaper. Chances are: your wall has already been infected by a colony of mold.
Don’t blame the contractor, it’s not their fault. Even if the wallpaper is perfectly glued together, the mold will still be there.
So, how do we get rid of this seemingly persistant mold? Long story short. Most wallpapers are made out of vinyl which is essentially impermeable to water – we call it vapor barrier. You’ll find a lot of them installed inside houses that are in cold climate and uses heater a lot. The vapor barrier is installed behind the drywall on the inside face of the warm side of the wall. —— Next page