Old wallpaper wall repair

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  #1  
Old 03-21-19, 06:50 AM
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Old wallpaper wall repair

i have a lot of older wallpapered walls of which here in phase one I have 8 stripped walls. The walls are covered with 1967 1/2 drywall. I have one stand alone wall at least where I tried to retake it my job was poor and I had to tear it out there is gap at least 1/4 ď and it would be much larger if I tore the old tape out, i did some of it because the old mud is cracking and quiet flimsy.

Question
1. What should I do tear all the old out and start over with taping? IR
2 Tape over it. I got air in my first attempt even tho it was on the ceiling in the interest of quality I tore it out hence my questions.

I will Iíll be back but Iím running some today, any suggestions are appreciated. Thanks
 
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Old 03-21-19, 06:55 AM
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Welcome to the forums!

How did you strip the wallpaper? How damaged are the walls? Walls that need repairing should be coated first with Zinnser's Gardz or an oil base primer. That seals any exposed gypsum, locks down the edges of torn paper and seals any remaining wallpaper adhesive.

Some folks say it's easier to tear out the drywall and start over but I've almost always thought it easier to repair what you have.

pics could be helpful https://www.doityourself.com/forum/e...-pictures.html
 
  #3  
Old 03-22-19, 06:59 AM
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I am not sure that I fully understand the scope of your project; however, I see that you have no replies so I will attempt to advise you.
As best I can underststand your situation, you wish to re-tape the existing drywall (circa 1967)seams.
Is this correct?
If so, you can use a garden spray to spray/wet the existing/failed mud and tape before you get an edge and pull the old, wet tape and mud off the old drywall. If it were my job, I would have a ladder handy, protect the floor, and continue spray-wet the mud, after pulling down the tape, and then, using a 4" Warner Scraper with a 12" handle, I'd scrape the remaining mud off the seams, allow time for drying. again, Scrape any residual mud off, dry, so that when you re-tape and mud, you'll have a smooth surface. Wet sand when mud is almost completely dry and final coat with a little more water in the mud to obtain smooth final finish.
Hope that is what you were asking about. If not, please advise.
 
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