Why Do Bubbles Form in Laminate Flooring and How Can You Fix Them?

Laminate flooring has become a top choice for homeowners in Tempe, AZ, and surrounding areas like Mesa, Scottsdale, Gilbert, and Chandler thanks to its affordability, stylish appearance, and durability. But one issue that can frustrate homeowners is bubbling—raised spots or air pockets under the laminate. Whether it appears days after installing laminate flooring or years later, bubbles are both unsightly and damaging if left unaddressed.

Understanding the reasons behind this problem and knowing how to resolve and prevent it is essential for anyone considering laminate flooring installation or dealing with bubbling floors.
 

What Causes Bubbles in Laminate Flooring?

 

1. Moisture Infiltration

The most common reason bubbles form in laminate flooring is moisture. Water can seep between seams or into the core layer of the planks, especially if the flooring wasn’t sealed properly. Even high humidity in the air can impact laminate if the product wasn’t designed for moisture-prone areas.
 

2. Improper Laminate Flooring Installation

Skipping essential steps during installation—like failing to allow planks to acclimate to room conditions or neglecting to leave expansion gaps—can result in bubbling. Temperature and humidity changes cause flooring to expand or contract, and if there's no room for movement, pressure builds and bubbles can form.
 

3. Poor Subfloor Conditions

Installing laminate flooring over a subfloor that’s uneven or contains moisture can lead to long-term issues. If bumps, dips, or dampness are ignored during laminate floor installation, the planks may flex or warp over time, creating bubbles.
 

4. Heavy Furniture and Impact Damage

Dropping heavy items or dragging furniture without protection can compromise the protective surface layer of laminate planks, allowing moisture to penetrate or damaging the core.
 

How to Fix Bubbles in Laminate Flooring

 

Spot Repairs

For small, localized bubbles, it's sometimes possible to make spot repairs. Use a needle to puncture the bubble and press the air out. Apply wood glue and a heavy weight overnight to reseal it.
 

Replace Affected Boards

In more severe cases, the best option is to remove the damaged planks and replace them. Be sure to match the replacement boards with your original flooring and follow proper procedures for installing laminate flooring.
 

Reinstall with Care

If bubbling is widespread, a complete reinstallation may be necessary. In that case, knowing how to install laminate flooring properly—ensuring the subfloor is level and dry, planks are acclimated, and expansion gaps are left—is critical.
 

Preventing Bubbles in the Future

 

• Always allow planks to acclimate to the room for 48 hours before laminate flooring installation.
• Check that the subfloor is level and dry.
• Leave 1/4 inch expansion gaps at walls and doorways.
• Avoid mopping with excess water; use dry or damp microfiber mops only.
• Use protective pads on furniture legs.

 

Protect Your Laminate Investment in Tempe and Beyond

Manufacturers Floor Covering Outlet provides professional laminate floor installation and expert guidance on how to install laminate flooring correctly the first time. Serving Tempe, Mesa, Scottsdale, Gilbert, and Chandler, AZ, our team ensures your flooring is installed to last—bubble-free. Visit our showroom or contact us today to learn more.