Home>Discussions>PAINTING & FINISHING>Paint over wallpaper over...what on earth is this?
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maryn
Paint over wallpaper over...what on earth is this?

I have no idea what I've got here.

House dates to 1906. Rest of the house is plaster/lathe, and I think that's what at the base of my hallway walls (bottom half of the walls). However, since then, they've been covered... with something. Trying to remove it so I can skim coat and redo the halls.

There are clearly two layers of paint over a textured wallcovering with a design. The wallcovering, however, appears to be a couple mm thick and possibly made out of a masonite-type product. It appears to have been glued with the will of god over a very old layer of dark green paint (or paint-like substance; it is dissolving with the water/fabric softener mix I sprayed on for the wall paper), which is on a white semi-shiny surface, which is over the plaster.

Again, from the base, that's:
Plaster
semi-shiny white surface
green paint-ish
cardboard/masonite layer which may or may not be the base for the
textured wall paper
at least 2 layers of paint

The cardboard type layer had lifted from a few small areas, so I was able to remove it; It was very stiff and brittle, not like regular wallpaper. And now that those sections that removed themselves are over, I cannot figure out how to get the rest of it off.

At first I thought this cardboard-ish layer was the top layer of sheetrock, but the fact that there is the green layer underneath it - and the fact that it seems to be pulling up at the corners - lead me to believe this is something that was applied over the original walls. I was thinking maybe it was beaverboard, but everything I've found about it doesn't suggest that this is an application it'd be used in. It seems like a very thin masonite or a very thick wallpaper.

Any ideas? It's a lot of angles, so I'd prefer not to have to break out all the plaster and sheetrock it. But I am at a loss and google isn't helping. Thanks!

JLMCDANIEL
Re: Paint over wallpaper over...what on earth is this?

My guess is you are dealing with heavy textured and paint-able wall paper. It is make to cover slight imperfections in the wall.

Jack

Clarence
Re: Paint over wallpaper over...what on earth is this?

Many years ago there was a product on the market called Plaster in a roll.
It was like the material used for a plaster cast for broken bones.
It was hung like wall paper and it would cover cracks and defects.
Thickness would be about 3/32 of an inch and maybe a little less.

maryn
Re: Paint over wallpaper over...what on earth is this?
Clarence wrote:

Many years ago there was a product on the market called Plaster in a roll.
It was like the material used for a plaster cast for broken bones.
It was hung like wall paper and it would cover cracks and defects.
Thickness would be about 3/32 of an inch and maybe a little less.

Yep, that sounds like it. Feels like they used cement to adhere it. Any ideas for getting the adhesive to release?

Clarence
Re: Paint over wallpaper over...what on earth is this?

Try this tape say an area of 1 square ft of than spray with water soak well than tape a sheet of plastic over the area to seal the moisture in wait about 12 hours than remove the plastic and sc**** the area if it is a plaster / cement product it will come off of the existing plaster.

maryn
Re: Paint over wallpaper over...what on earth is this?
Clarence wrote:

Try this tape say an area of 1 square ft of than spray with water soak well than tape a sheet of plastic over the area to seal the moisture in wait about 12 hours than remove the plastic and sc**** the area if it is a plaster / cement product it will come off of the existing plaster.

I'll give it a shot this weekend and let you know how it goes. Thanks!

Other than that, I think it's busting out all the plaster to the lathe and screwing in some sheetrock. (I know, I know.) But I'd prefer NOT to have all that mess and labor. Thanks again. Hope it works!

Pyewacket
Re: Paint over wallpaper over...what on earth is this?

I would be a little concerned about the green paint. They were still using arsenic to get bright greens in wallpaper and paints in the early 1900s - though I think its use in items of clothing had been outlawed much earlier.

Perhaps a face mask is in order when removing the stuff, and dispose of it via the poisons control center of your city, to be safe.

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