Peel and stick wallpaper has become a popular choice for homeowners and renters alike because of its easy application, removability, and wide variety of stylish designs. However, one common frustration many users face is the appearance of bubbles or blisters under the wallpaper surface after installation. If you’ve been wondering, “Why is my peel and stick wallpaper bubbling?” you’re not alone. In this post, we’ll explore the common causes of bubbling and practical solutions to help you fix or prevent this issue so your walls look flawless.
What Causes Peel and Stick Wallpaper to Bubble?
1. Surface Preparation Issues
One of the biggest culprits behind bubbling peel and stick wallpaper is improper wall preparation before installation. The adhesive on peel and stick wallpaper needs a clean, smooth, and dry surface to stick properly. If the wall surface is dusty, dirty, greasy, or uneven, the wallpaper may not adhere well, causing air pockets or bubbles.
Common surface issues:
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Dust and dirt on the wall
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Residue from old wallpaper or paint
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Uneven or textured surfaces
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Moisture or dampness on the wall
2. Humidity and Moisture
Peel and stick wallpaper is sensitive to moisture and humidity. If installed in a humid environment or on damp walls, the adhesive can lose its grip, causing bubbling or peeling. Bathrooms, kitchens, or basements with high humidity levels are prone to this problem unless you use wallpaper specifically designed for these conditions.
3. Incorrect Installation Technique
Applying peel and stick wallpaper requires patience and the right technique. Rushing through the process can trap air under the paper, resulting in bubbles. Common installation mistakes include:
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Not smoothing out air bubbles during application
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Applying wallpaper on a cold surface causing the adhesive to lose tackiness
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Stretching or pulling the wallpaper too tight, causing puckering or bubbles
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Not allowing the wallpaper to settle or reposition during installation
4. Temperature Fluctuations
Extreme temperature changes after installation can affect the adhesive and cause bubbling. For example, if the wallpaper is installed in a cold room and then exposed to heat or direct sunlight, the adhesive may expand or contract, creating bubbles.
5. Low-Quality Wallpaper
Not all peel and stick wallpapers are created equal. Lower-quality wallpapers may use weaker adhesives or thinner materials that don’t adhere well or resist bubbling. Investing in a reputable brand with good reviews can reduce the chances of bubbling problems.
How to Fix Bubbles in Peel and Stick Wallpaper
If you already have bubbling wallpaper, don’t worry—there are several fixes you can try to smooth out those unsightly bubbles and restore your walls.
Step 1: Smooth Out Small Air Bubbles
For small bubbles trapped under the wallpaper surface, you can often fix them without removing the wallpaper.
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Use a squeegee or a flat plastic card (like a credit card) to gently push the bubbles towards the edges and smooth them out.
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Work slowly and carefully from the center of the bubble outward.
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For stubborn bubbles, prick a tiny hole with a pin or needle to release the trapped air, then press the wallpaper flat.
Step 2: Reapply Problem Areas
If smoothing doesn’t work or the bubble is large:
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Carefully peel back the bubbled section from the wall.
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Clean the wall surface underneath to remove any dust or debris.
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Let the wall dry completely if it was damp.
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Reapply the wallpaper section slowly, smoothing out any air pockets as you go.
Step 3: Address Moisture Problems
If humidity or moisture is the root cause:
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Use a dehumidifier or ventilation fans in the room to reduce moisture.
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Avoid installing peel and stick wallpaper in overly damp areas unless it’s specifically moisture-resistant.
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Check for leaks or water damage behind the wall and repair before reapplying wallpaper.
How to Prevent Bubbling When Installing Peel and Stick Wallpaper
Prevention is always better than cure. Follow these expert tips to avoid bubbles during your next wallpaper installation.
1. Prepare the Wall Properly
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Clean the wall thoroughly with a mild detergent and warm water.
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Remove any dust, dirt, grease, or old wallpaper residue.
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Fill any holes or cracks with spackle and sand smooth.
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Ensure the wall is completely dry before applying wallpaper.
2. Choose the Right Wallpaper
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Opt for high-quality peel and stick wallpaper with strong adhesive.
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For humid areas like kitchens and bathrooms, select wallpaper rated for moisture resistance.
3. Install in Ideal Conditions
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Avoid installing wallpaper in very cold or very humid rooms.
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The recommended room temperature for installation is usually between 65°F and 85°F (18°C to 29°C).
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Make sure the wallpaper is at room temperature before applying.
4. Take Your Time During Installation
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Peel back only a small section of the backing paper at a time.
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Align the wallpaper carefully before pressing it onto the wall.
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Use a smoothing tool to press out air bubbles as you go.
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If you notice bubbles forming, lift and reposition the wallpaper gently.
When to Call a Professional
If you’ve tried fixing bubbles yourself but they keep returning or the wallpaper is peeling badly, it might be time to call a professional. Wallpaper installers have experience, tools, and techniques to ensure a smooth, bubble-free finish.
Final Thoughts
Peel and stick wallpaper is a fantastic way to update your walls quickly and affordably. Bubbling can be frustrating, but it’s usually caused by common issues such as poor wall preparation, moisture, or installation errors — all of which can be fixed or avoided with proper care.
By following the tips above, you can enjoy beautiful, bubble-free walls that bring new life to your space. Remember to prep your walls thoroughly, use quality wallpaper, and take your time during installation for the best results.
If you have any questions or want more wallpaper styling tips, feel free to reach out or browse our collection of peel and stick wallpaper ideas!
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