How to remove excess dried wallpaper paste?
I removed wallpaper and washed the walls of the melted paste afterward. But there are strips of excess paste that is hard and dry left over. At first I thought it was black mold but I've had it tested and have been told that it's wallpaper paste. But it's very hard and doesn't clean off with any regular methods for cleaning wallpaper paste. If I just try to dig it off, it takes the drywall paper layer with it. I'd like to dissolve it with something but so far haven't found anything that will soften it. The walls were prepared fully before papering. Has anyone ever seen anything similar to this? Any idea what I can use to get this off the walls?
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Hi Jan, have you tried fine grit sand paper or sheetrock sand paper? That would be my first instinct. After that, you may have to scrape it off and then fix the sheet rock behind it with sheet rock mud. Good luck!
There is a product that removes glue from floors that carpet was applied to. I've used it and it was easy . I'm sorry but I don't remember the name but if you went to a carpet store or Home Depot they may be able to help. Have you tried applying heat ( a hair dryer)to soften the glue?
https://www.homedepot.com/p/Zinsser-16-oz-DIF-Ultra-Concentrate-Wallpaper-Stripper-6-Pack-252648/203138602
Use this concentrated formula of DIF wallpaper remover. Put in a hand pump sprayer and mix with HOT water. Only mix what you will use within .5-1 hour and reheat when necessary. Spray (cover the floor!) and allow to sit 15-30 minutes. Scrape the glue with a plastic scraper so you don't damage the walls. When you think the wall is clean, start washing it with clean cold water and keep rinsing the sponge. Repeat if there is remaining glue. This should finish your project!
I agree with GrandmasHouse DIY. I use one cup of vinegar in one gallon hot water. use a sponge to wet it down and a few minutes to soften it. Then wash it off with the mixture. If that doen't work sanding is the next solution
Have you tried DIF wallpaper remover at all???? It's my 'go-to' product. Get the concentrated DIF and put in a pump sprayer. Add the necessary water and use HOT water!! Only mix what you will use while it is hot or you can reheat the mix if it cools off. Spray it on the hardened glue and allow to sit for 5-10 minutes, scrape off using a plastic scraper so you don't damage your walls. Spray again, let sit and then wash with clean hot water on a sponge - keep rinsing it out so you don't just spread the glue around. Once you think all the glue is removed, wipe the wall down once again with cold water. This should finish your project nicely.
If the wallpaper paste is dried, hold the damp cloth on the paste for a few seconds at a time to see if the paste will soften. Try dabbing at the spot and wiping away the paste if it becomes soft.
Scrape the paste gently with the edge of a paint scraper. Chip away small sections of the paste. When you get closer to the surface of the wallpaper, hold a damp cloth on the paste to soften it. Wipe the remaining paste away with the cloth.
Place a paper towel over the dried paste. Spray just a few squirts of window cleaner on the towel. Do not soak the towel; you don't want the window cleaner to run down the wall. Hold the towel on the spot for about 10 minutes to give it plenty of time to soak in. Dab the spot with a soft cloth after the paste softens.
here are more ideas to help you out
https://www.limitlesswalls.com/articles/how-to-remove-wall-sticker-residue/
First, use a steamer to loosen and scrape with a plastic scraper.
You can also mix either fabric softener or vinegar with warm water, 50/50, and spray.
Finally, wipe down with soapy blue Dawn water and microfiber cloth.
You could try this: https://www.architecturaldigest.com/story/how-to-remove-wallpaper-glue#:~:text=Combine%20hot%20water%2C%20liquid%20dish,cup%20per%20gallon%20of%20water.
wall paper remover you can buy small jar of it. https://amzn.to/2QpZhMm
Downey fabric softener mixed with water 1/2 and 1/2.. Spray it on leave it for about 10 minutes and scrape off with a plastic scraper. Works great.
Try a steam iron to soften the paste. then use a good scraper to remove. This is one reason I despise wall paper... Good luck
Hot hot water in a spray bottle and rub with a putty knife spray one ares work on another let it sit like 2 min keep going
Ps you could use a steam iron to
Have you tried warm water/vinegar mixture?
When I'm doing a stripping jobs, I sand these off with a small handheld sander and fairly fine sandpaper.
Looks like you also removed some of the drywall paper in spots. I then skim coat the walls but I think you could just get away with priming this wall well to get a nice finish for painting.
Hello there,
Maybe sand it down! Use hat water and washing up liquid to try and soften it and then use a scraper. Try using a Steamer. Hope that is of help!
Sanding them will take care of it. But do it by hand so that you don't sand too far.
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