Heat Gun for Stubborn Sections and Vinyl Wallpaper

Use a heat gun to soften adhesive on stubborn wallpaper sections or vinyl wallpaper that resists water-based methods.

How It Works

A heat gun produces concentrated, directed hot air (250-500+ degrees F) that softens wallpaper adhesive through thermal action. Unlike a steamer, it does not introduce moisture, which can be advantageous on surfaces sensitive to water damage. It is particularly effective on vinyl wallpaper that resists water penetration, and on stubborn patches that other methods leave behind.

Instructions

1. Set the heat gun to a low or medium setting (250-325 degrees F is sufficient for most adhesives)
2. Hold the heat gun 4-6 inches from the wallpaper surface at a 45-degree angle
3. Move the gun in slow, circular motions over a small area (about 12 inches square) for 15-30 seconds
4. Once the paper begins to soften or curl, set the heat gun aside and immediately scrape the heated section with a putty knife
5. Continue heating small sections and scraping in sequence
6. Work carefully and methodically — do not rush ahead with the heat gun

Tips

• A heat gun is best used as a supplemental tool for stubborn spots rather than as the primary method for an entire room — it is slow for large areas
• Variable-temperature heat guns give you much better control than single-setting models
• This method excels on vinyl and foil wallpapers that are impervious to water
• Keep the heat gun moving at all times to prevent scorching
• A heat gun is a versatile tool for many other projects (paint stripping, shrink tubing, thawing pipes), making it a worthwhile purchase even for occasional use

Common Mistakes

• Overheating the adhesive until it becomes gummy and tacky instead of soft and removable — this makes it harder to scrape
• Holding the heat gun in one spot, which can scorch the wallpaper, the wall surface, or even start a fire
• Using a heat gun near electrical outlets without turning off the circuit first
• Using maximum heat setting when medium is sufficient — more heat does not equal faster work and increases risks
• Attempting to use a heat gun on an entire room as the primary method, which is exhausting and time-consuming compared to steaming or soaking