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nerd guy
LSU Fan
Grapevine
Member since Dec 2008
10500 posts

Dealing with painted over wallpaper
I've read you can possibly use an oil based primer to cover wallpaper and then skim coat it and add texture. Is it worth the risk of the wallpaper eventually detaching from the wall? Two of our bathrooms have wallpaper and the previous owner just painted over them and one room is starting to look like crap with small sections of the paper ripped off. I'd like to be lazy and just skim coat it and add knock down texture along. Doesn't seem like the greatest of ideas. Thoughts?


ItzMe1972
Member since Dec 2013
3879 posts

re: Dealing with painted over wallpaper
You've got the right idea.

Just peel any loose wallpaper before, prime and skim.

You should be fine.


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TDsngumbo
LSU Fan
Member since Oct 2011
24307 posts

re: Dealing with painted over wallpaper
Remove the wallpaper and have some mold/mildew killer from Lowes handy because if you had wallpaper in the bathrooms, you will have mold behind it. Don't panic, it's perfectly normal especially if your house was built in the 1970s/1980s.

My home was built in the 1970s and two bedrooms and the kitchen had painted over wallpaper that looked like shite. I was able to remove it in the kitchen and one bedroom and then skimcoat the walls but the other room was impossible to remove the wallpaper without destroying the drywall. I tried skimcoating it after myself but it was too big a job. I ended up calling two Mexican drywall guys (very professional and fast, by the way) to finish the job for me. They did it faster and more efficiently than I ever could have myself. Very happy I called them. Cost me $700 for them to do the entire room and ceiling (it had popcorn that needed to be scraped and refinished).

Back to the mold --

I used Concrobrum Mold Control from Lowes to remove and KILL the mold in and on the drywall after removing the wallpaper. Use a mask while you remove the wallpaper and try to seal off the room and air vents to prevent mold from spreading too much throughout your home. Do not skip this step and do not just use bleach. Bleach won't do the job completely like Concrobrium Mold Control will.

Honestly, it's probably just going to be worth it to hire someone to do it for you. After doing two rooms myself and hiring someone to do the third for me, I felt dumb for going through all the trouble myself.




This post was edited on 7/30 at 3:17 pm


deeprig9
Member since Sep 2012
40316 posts

re: Dealing with painted over wallpaper
Just rip the drywall out and start over. A mexican can do it in 45 minutes.


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51
gumbo2176
Member since May 2018
6666 posts
 Online 

re: Dealing with painted over wallpaper
There's a pretty fair chance the moisture from the drywall mud will cause the paper to lift a bit where it is torn and the sheetrock under it is exposed, but you can float over that once the original skim coat dries to even it out most times.

The problem with trying to remove the wallpaper is a lot of times they don't prime the wall before hanging the paper. Trying to remove it will often cause the outer paper of the sheetrock to be removed with the wallpaper, and that can be a huge PITA to deal with.

If you want to try to remove the paper, get one of those tools that fit in the palm of your hand and has little spur like rollers that perforate the wallpaper. Then just use a pump sprayer to wet the paper and let that soak to loosen the paste holding it to the wall. You'll find out quick just how hard, or easy, a job it will be.


Cracker
Montana Fan
in a box
Member since Nov 2009
11208 posts

re: Dealing with painted over wallpaper
If the wallpaper was applied properly and it’s in good shape leave it alone. Paint over it!


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wm72
New York/Roma
Member since Mar 2010
7063 posts

re: Dealing with painted over wallpaper

quote:

There's a pretty fair chance the moisture from the drywall mud will cause the paper to lift a bit where it is torn and the sheetrock under it is exposed, but you can float over that once the original skim coat dries to even it out most times.


I've skimmed and painted over old wallpaper numerous times with good results if the wallpaper is adhering well to the walls, i.e. difficult to remove.


Like the poster above advises, you may get some areas where the wallpaper lifts due to moisture when you put the mud.

For this reason, before skimming, I first prime with a product called Larsen "Plaster Weld" and then cut-out and/or caulk any of the edges that may still look loose.

Still possible to have a few spots where paper lifts and you need to cut it and re-skim but sealing the edges and getting Plaster-Weld into any crevice/joint eliminates a lot.



TFTC
Southern Fan
Chicago, Il
Member since May 2010
20252 posts

re: Dealing with painted over wallpaper
quote:

wm72


Hows the shop doing?


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wm72
New York/Roma
Member since Mar 2010
7063 posts

re: Dealing with painted over wallpaper
quote:

Hows the shop doing?


Good to hear from you!

Record shop is doing ok but things are still very slow here in Brooklyn. Not many people shopping and we've limited days and hours.

Fortunately, there's been enough support from our regular customers and a nice bump after reopening from all the "addicts" that hadn't bought records in months.

Certainly can't complain though since I'm much better off than most of my friends in the music business who depend on live shows / DJ gigs etc.


How about you guys?





nerd guy
LSU Fan
Grapevine
Member since Dec 2008
10500 posts

re: Dealing with painted over wallpaper
quote:

I first prime with a product called Larsen "Plaster Weld" and then cut-out and/or caulk any of the edges that may still look loose.



May end up just trying something like this. Don't mind priming it and letting it sit for a couple months to see how it holds up then skim coating it.


TFTC
Southern Fan
Chicago, Il
Member since May 2010
20252 posts

re: Dealing with painted over wallpaper
all good here.. would love to be in a shop and buy records.. have been buying online.. try my best to give to localish guys


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wm72
New York/Roma
Member since Mar 2010
7063 posts

re: Dealing with painted over wallpaper
quote:

I first prime with a product called Larsen "Plaster Weld" and then cut-out and/or caulk any of the edges that may still look loose.



quote:

May end up just trying something like this. Don't mind priming it and letting it sit for a couple months to see how it holds up then skim coating it.


It'll be the skim coat layer that would give you any issues due to moisture.

The Plaster-Weld, if you haven't used it, goes on very liquid so it's easy to get into crevices. It's designed as a first coat for glueing crumbling/ cracking plaster so works well to glue down any edges of wallpaper you need to cut out. (I always roll back over it quickly to smooth out any drips and globules to make the skim coat easier.)

It'll dry in a day to see where you stand but unless the wallpaper is already compromised and easy to pull off right now, I think you'll be fine.





awestruck
Auburn Fan
Member since Jan 2015
5954 posts

re: Dealing with painted over wallpaper
quote:

Concrobrum Mold Control
weak sauce

Next time get the JoMax. Have used both in a truly thick black mold vacant house with leaky water situation. And the Jomax did more in a hour than four applications over two days using the Concrobrum.


(following the directions for both)


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nerd guy
LSU Fan
Grapevine
Member since Dec 2008
10500 posts

re: Dealing with painted over wallpaper
Ahhhh thanks ok. Good to know.


Thecoz
Member since Dec 2018
791 posts

re: Dealing with painted over wallpaper
I had a house from 1955 that my agent said I needed to cover some wallpaper to update....

It was still on very very well and I wanted to make it look fresh and sell with minimal effort...
Hit it with oil base kiltz...rolled on some texture from lowes ...painted it two coats and it looked great...

Have another house ....which is my primary house that I had this done to over twenty years ago and it looks good still.....


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