Instead, Ligeri suggests you pull out a heat gun. Don't try to pull it off all at once. The vinyl should be delaminated from the scrim. Then wet the glue and let it soak for five to seven minutes and take off the scrim. Then scrape the balance of glue, scour, and squeegee the wall.
Many contractors favor chemical removers.
But you'd be surprised what dishwashing liquid can do if you don't have one. Don't assume you need a chemical remover for every job, said Gary Mueller of Warner. Most pastes are wheat-based and will loosen up with warm water applied with a sponge or sprayer. Still another tool used in wallcovering removal is a steamer, though Ligeri said his gets only occasional use, surprisingly. A steamer is really the only thing that comes close to making it soluble enough to removed.