In recent news, residents in the Mountbatten residential area of Singapore were startled when floor tiles in their home suddenly cracked and popped up. Initially, they suspected the issue might have been caused by nearby construction activity. However, just a day later, a sinkhole appeared only 200 meters from the property, raising concerns that the two events could be related.
Worried about potential structural damage beneath their home, the resident contacted the Building and Construction Authority (BCA). After a thorough inspection, BCA confirmed that the property was safe and that the tile issue was not caused by the sinkhole.
So… what caused the tiles to pop? Before we get into the root causes, it’s important to first understand what tile popping is.
What is Tile Popping?
Photo: Tiles in Mountbatten resident’s home crack & pop up via Mothership.SG, 30 July 2025
Tile popping refers to a situation where tiles begin to lift, shift, or even completely come off the surface they were fixed to. It’s a fairly common issue in both residential and commercial spaces, and it can present itself in a few ways, from minor lifting that creates a hollow sound or slight gap, to more extreme cases where tiles visibly rise or detach altogether.
Common Reasons for Popped Tiles
- Incorrect Installation Techniques
Improper tiling methods are among the leading causes of tiles popping. When adhesive isn’t applied thoroughly or evenly, it can leave empty pockets beneath the tiles. These voids weaken the grip between the tile and the surface, increasing the risk of detachment over time.
Skipping essential steps like priming the base or sealing grout joints properly can also allow moisture to seep in, further undermining the stability of the installation and causing tiles to lift gradually.
- Substrate Issues
The surface beneath the tiles plays a crucial role in maintaining structural integrity. An uneven, poorly prepared, or moisture-laden substrate can weaken the adhesive bond. Trapped moisture may rise and interfere with the setting adhesive, leading to loss of adhesion and eventual tile movement or detachment.
- Use of Low-Grade Materials
The longevity of a tiled surface also depends heavily on material quality. Low-grade adhesives or grouts might seem fine at first but often deteriorate quickly under environmental stress. When low-grade products are used, they fail to maintain a firm bond, making tiles more likely to come loose over time, even if no initial issues are visible.
- Temperature-Driven Expansion and Contraction
Tiles naturally expand and contract with temperature shifts. If the installation doesn’t include adequate expansion joints, this movement builds internal stress. Eventually, the stress becomes too much for the bond to hold, resulting in tiles lifting or popping.
This is particularly common in outdoor areas or spaces exposed to drastic temperature changes. Without accounting for thermal movement during the design phase, tile systems are more prone to long-term failure.
- Heavy Loads and Physical Impact
Tiles are built to be durable, but they’re not immune to damage. Dropping a heavy item can crack or dislodge a tile instantly. Likewise, long-term stress from very heavy furniture or machinery can compress and strain the tile adhesive. This repeated pressure may eventually cause the tiles to pop or shift out of place.
What About Tile Quality?
Tile quality is often the first thing people question, but it’s rarely the main issue. In most cases, the problem stems from how the tile was installed. Even high-quality tiles can experience issues if:
- The substrate isn’t properly prepared
- The wrong adhesive is used
- There’s inadequate allowance for movement (e.g., lack of expansion joints)
Once tiles are laid, they’re exposed to environmental factors beyond our control. These factors can cause tiles to expand, contract, or warp.
At this point, the bond between the tile and the adhesive becomes critical. If internal stress within the tile exceeds what the adhesive can hold, the tile may break free, resulting in the sudden “popping” or lifting effect.
Takeaways
Ultimately, preventing tile popping comes down to thorough preparation and expert installation. Understanding the causes allows us to create tiled surfaces that last and perform well under various conditions.
If you have any questions related to tiles, please do not hesitate to reach out to us at info@heritageceramics.com.
References
Photo from Mothership — published in the article “Tiles in Mountbatten resident’s home crack & pop up 200 m away from sinkhole, BCA says it’s safe” on Mothership.SG (30 July 2025). Link: https://mothership.sg/2025/07/tiles-mountbatten-crack-pop-sinkhole/
Explore more on our products: Home
Explore our Tiles On Offer: Tiles On Offer
Follow our social media pages: Facebook | Instagram | LinkedIn | YouTube
Heritage Ceramics is a global leading manufacturer of porcelain and ceramic tiles, with over 20 years of expertise in the tile industry. We have proudly contributed to iconic buildings and landmarks across Singapore and beyond, solidifying our presence in global markets. At Heritage Ceramics, we are dedicated to enhancing every customer experience at every touchpoint. Learn more about the story behind Heritage Ceramics: https://heritageceramics.com/about/
