paint over wallpaper glue

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  #1  
Old 06-11-03, 09:31 AM
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paint over wallpaper glue

I have a very small area in my home where I've peeled very old wallpaper off a plaster wall. Most of the glue remains. I want to paint this. This will be a "temporary" fix, as in a few years I will tear it all down to studs and remodel the entire room.

I want to use some sort of texture over the glue mess. Can I do something with joint compound before I paint? Is there a texture paint that might work well? Should I prime over it all before doing anything?

Any advice or suggestions are welcome. Also, feel free to ask if you need more info. Thanks...

Brian
 
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Old 06-11-03, 12:37 PM
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If you are not going to remove the glue and want something to make this hang together for a few years, then prime the wall with a good primer sealer such as Zinsser 123 or Kilz to seal the contaminant from the paint and provide a good bonding surface for the paint or texture or whatever.

You can then apply texture or whatever.

HTH
 
  #3  
Old 06-11-03, 01:45 PM
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You really should remove all the wallpaper adhesive or you will have problems. Mix up a gallon of water with a few drops of Dawn dishwashing soap. Apply with a sponge to the wall and allow it to reactivate the adhesive. Use a green scrubbing pad to remove the majority and follow up with a good sponging to remove it all.

The reason why priming isn't successful is that the adhesive will cause all sorts of problems with the primer. It will "fisheye" just like automotive paints when the surfaces isn't 100% free of contaminents. Priming the surface after to lock in any residual paste is a wise idea too.

"Surfaces must be clean, dry and free from scaling paint, loose wallpaper, and paste." from 123's Technical Data Bulletin at http://www.zinsser.com/PDF/TDB/BE_123.pdf

"KILZ Original primer and KILZ Odorless primer are ideal for priming over wallpaper. If removing the wallpaper, it is essential that all adhesives be removed prior to applying KILZ Original primer or KILZ Odorless primer. " From Kilz's website at http://www.masterchem.com/pages/default.aspx?NavID=61

If you do want to prime over the adhesive and I highly suggest you don't, the only assurance of good results is by using an oil based primer. Zinnser does make a product that will work over adhesive called Gardz. It's TDB says "for best results, remove residual wallcovering adhesive". Personally, I wouldn't trust it and would recommend an oil based primer.
 
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Old 06-11-03, 03:50 PM
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I tried the water/sponge/scrub suggestion on a small area and to my suprise the glue did come off relatively easily. So, since the entire area I'm doing isn't that large anyway, I'll remove the glue. Thanks for the suggestion...

Changing gears now... there are a few trouble spots--a hole where something used to be, a cracked area of plaster, etc.. What should I use to fill or repair these areas prior to painting?

Thanks again for the help...

Brian
 
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Old 06-11-03, 03:51 PM
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I agree that it is always better to clean the wall. The post just sounded as if that decision had already been made, and the plan was to leave the glue.
 
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Old 06-11-03, 06:28 PM
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bmears,

You can use a lightweight spackle which is available at any home improvement store. Apply with a plastic spackle tool, allow to dry and lightly sand. The end product should be a fairly invisible fix.

chfite,

I totally understand and appreciate your thoughts. There are some short cuts that can be taken in life, but in my profession, I have seen the results time and time again. This is one of those situations that cost next to nothing and is really fast to do, so I tend to "force" the correct methods. This is a real life picture of how a top quality latex primer performs when applied to wallpaper adhesive:

<img border="0" src="http://www.parodipalace.com/Pro-9990019.jpg" width="216" height="162">

Pizza cheese anyone?
 
  #7  
Old 06-11-03, 06:57 PM
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chfite--

The decision had been made, but I made a bad assumption that the 30+ year old wallpaper glue was not coming off the wall without a fight. In fact, it comes off easily. Since my last reply, I've removed 2/3 of it... I would have gotten it all off, but I destroyed my last scrubber pad.

Thanks again to all that replied...

Brian
 
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