How can I get wallpaper sizing off in order to paint it?

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I removed 2 layers of old wallpaper, but streaks of sizing remain on the drywall making it lumpy and it will look awful if I paint it like this.

  5 answers
  • Charlene F Freeman James Charlene F Freeman James on Mar 18, 2019

    Im working to remove wall paper in a 1920s house. I used a steamer on parts and when a mixture of 1/2 fabric softener and water. Let sit 30 minutes and drag a putting knift across to remove old build up and / or paper backing. If you run into unsmooth walls a painter taught me about plumbers caulking. Put it on the putty knift and drag over the indentations it fills everything in nicely. I was able to paint a short time later.

  • William William on Mar 18, 2019

    Wash it off with a 50/50 mix of vinegar and hot water. May need to scrape off with a putty knife.

  • Dee Dee on Mar 18, 2019

    Use fabric softener and water, spray on wall. Let sit about a half an hour then use a scraper to take off the sizing. Works like a charm.

  • Shari Fryrear Shari Fryrear on Mar 18, 2019

    I would use vinegar half and half. If that doesn't work check WalMart they have lots of products for wall paper removal

  • Trish Townsend Trish Townsend on Mar 18, 2019

    Use fabric softener and water I've done it many a Time

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