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Chalky substance on drywall after wallpaper removal

Chalky substance on drywall after wallpaper removal


Old 07-18-06, 11:59 AM
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Join Date: Jul 2006
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Question Chalky substance on drywall after wallpaper removal

I have removed the old wallpaper on a couple of walls and discovered the wall was painted before the wallpaper was put up.

I moved onto another location to remove some other wallpaper and when I returned, the old paint appeared to be peeling from the drywall. I started in a small section and began peeling the paint from the walls. It almost acts as if the paint is no longer adhereing to the drywall. Then...this morning as I was walking by the area, I ran my hand over the drywall area with no paint left on it and a chalky residue was left on my hand.

First, any idea what the residue is?
I would like to install new wallpaper, what is the best way to prep the walls again?

Drywall is hard, no apparent damage.

Very confused,

Thanks for the help in advance.

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Old 07-18-06, 02:07 PM
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Tlcar, welcome to the forums. You probably have a residue of both the paint which wasn't adhered properly, and/or some of the glue left from the wallpaper.
You will want to "size" the wall first to give the wallpaper a good substrate to adhere to. Wall sizing is found in the wallpaper section of big box stores or in hardware stores. Make sure you have a good and smooth wall before sizing it, as any aberritions will show through the wallpaper once it dries.

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