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What causes tile to sound hollow? Why are my tiles 'exploding'?

Drummy tiles are a common issue that can occur in homes and commercial buildings.

Drummy tiles refer to tiles that have become loose and hollow-sounding when tapped. This can be a result of a variety of factors, such as poor installation, high moisture content, or damage from heavy foot traffic. If left untreated, drummy tiles can lead to further damage and potentially pose a safety hazard. Here are some tips on how to prevent and fix drummy tiles.


The main cause of tiles going drummy or loose is pressure- pressure buildup can occur underneath tiles, leading to separation of the adhesive to the tile or to the slab. This can be caused by a lack of expansion joints installed during the tile installation process. Expansion joints are designed to allow for movement and flexibility in the flooring system due to temperature changes, moisture, or other environmental factors. Without expansion joints, pressure can build up underneath the tiles, causing them to become loose and de-laminate. It is important to ensure that proper expansion joints are installed during the tile installation process to prevent this issue from occurring.



High moisture content can also contribute to drummy tiles. This is especially true in areas such as bathrooms and kitchens where there is a lot of water and humidity. To prevent this issue, it is important to ensure that the substrate is dry and stable before tile installation. This may involve using a waterproofing membrane or sealing the substrate to prevent moisture from seeping through.


Heavy foot traffic can also cause drummy tiles. Over time, the constant pressure of people walking on the tiles can cause them to become loose and hollow-sounding. Using high-quality, durable tiles designed to withstand heavy foot traffic can help to prevent this issue. In addition, keeping the floors clean and well-maintained can prevent dirt and debris from accumulating and causing further damage.

If you are experiencing drummy tiles, it is important to address the issue as soon as possible to prevent further damage and potential safety hazards. One solution for fixing drummy tiles is tile injection. This involves injecting a special adhesive into the gap between the tile and the substrate, filling the hollow space and bonding the tile back into place. Tile injection is a quick and affordable solution that can be completed without having to remove or replace the tiles.


In conclusion, drummy tiles can be a frustrating and potentially dangerous issue in homes and commercial buildings. However, by taking steps to prevent this issue and addressing it promptly if it does occur, you can ensure that your floors remain safe, stable, and looking great for years to come. If you are experiencing drummy tiles, consider contacting a professional tile injection service to fix the issue and restore your floors to their former glory.


If you have drummy or tenting tiles, call us today for a free quote.

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