Question by  Zach49 (27)

Is it okay if I'm installing backerboard over wallpaper?


Answer by  dr84bhl (2789)

Take the wallpaper off. You will get a better finish if walls are clean, smooth,and sanded down to a even finish.


Answer by  ajack88 (39)

If you decide to install backerboard over wallpaper, make sure you know exactly where you want it to go before installation. If you are especially fond of the wallpaper, and don't have extra sheets to replace it, be sure that you actually want to use the backerboard. Otherwise you risk ruining what could be very nice or expensive wallpaper.


Answer by  bekkashay (98)

Yes it is, first score the wallpaper with a wallpaper scoring tool. Next, apply a thin layer of mortar on top of the wallpaper. Next, start installing your backerboard!


Answer by  yankeeboy (6)

Since the backerboard is a verstaile product, make sure the wallpaper is clean and dry. Ensure this by using a wet rag and letting the wallpaper dry before installation.


Answer by  mrsb (76)

No, installing backerboard over wallpaper is just asking for trouble. I'd remove the wallpaper thoughly and make sure that the surface is dry before putting backerboard over it.


Answer by  saadhana (22)

The backer board at the doorways into common areas or transition places that are completely open into the next room you could scrape off all the high spots of thinset.


Answer by  LouB (294)

This should not pose any problem. As long as you are adhering the backerboard securely and correctly, it is acceptable.


Answer by  eone282 (67)

yes it is fine. i would not glue it though i would use screws in to the studs for a better installation


Answer by  shastie (1601)

It is okay as long as you make sure the wallpaper is clean and dry before you put the backerboard over it. It is probably a better idea just to go ahead and remove the wallpaper.


Answer by  Stardancer (295)

Yes, as long as you use a water-resistant barrier is between the backer board and the wall surface with the wallpaper on it.


Answer by  heather88 (1897)

I think it will be ok if you put backboards on wall paper. I don't think it will hurt anything at all.

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