Home > Journey > Why wallpaper should never be used inside your house

Why wallpaper should never be used inside your house

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


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  1. April 30, 2010 at 2:48 pm

    Yay..my lovely husband is a geek 🙂 But, anyway.. nice to read your article

  2. Roberto
    May 18, 2010 at 5:01 am

    Nice article!

    One question,
    One way to prevent heat, cold and noise from outside the house is to place a Styrofoam in between the brick wall (so its Brick-Styrofoam-Brick). Using this construction, do you think the water vapor can still go through?

    • May 22, 2010 at 9:53 am

      No but I think there should be air gap after the Styrofoam. So its Brick – Styrofoam – air gap – brick. In case condensation occur before it hits the Styrofoam you have a means to drain / evaporate.

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