Empty drum, cracking, arching tile problem
Have you ever noticed cracks or loose tiles in your home? If so, you're not alone. Tile problems can be frustrating and even dangerous if left unchecked. In this article, we’ll explore the common causes of tile failure, how to identify them, and what steps you can take to fix or prevent them. Experts from the construction field have shared their insights to help you understand the issue better.
Phenomenon 1: Hollow Sounds Under Tiles
One of the most common signs of a problem is when you tap on the tile with a small hammer and hear a hollow sound. A solid tile will produce a dull sound, while a hollow one will ring more clearly. According to Beijing’s building regulations, no more than 5% of the tiles should be hollow. This issue often appears after seasonal temperature changes, as materials expand and contract.
Causes: - Poor preparation before tiling, such as improper tile cutting or spacing. - Incorrect mixing of cement mortar, leading to weak adhesion. - Inexperienced workers who don’t press the tiles properly. - The use of lightweight walls or keel structures that are prone to deformation, causing the tiles to loosen over time.
Solution: If only a few tiles are affected, it's usually manageable. However, if more than two corners or multiple areas show hollow sounds, re-paving may be necessary. It's also important to check for hidden pipes before replacing any tiles.
Phenomenon 2: Tile Bulging and Falling Off
This happens when tiles lift off the wall or floor, sometimes even falling down. Common reasons include poor mixing of cement and sand, skipping the "resting" time for the mortar, or not properly pressing the tiles against the surface. Another major cause is inadequate base preparation, such as not cleaning the surface or applying an adhesive agent.
Solution: If two or more issues occur together, the tiles are at high risk of falling. In such cases, using tile adhesive or reapplying the mortar can help secure them again. Always make sure the base is clean and properly prepared before tiling.
Phenomenon 3: Cracking Tiles
Cracks can appear on both the surface of the tiles and the underlying structure. If the wall itself settles, it can cause cracks in the tiles. Similarly, if the base layer isn't stable or the tiles aren't soaked properly before installation, cracking may occur.
Solution: Minor cracks may not affect functionality but could look unsightly. If the cracks are extensive or accompanied by hollow sounds, it’s best to investigate the foundation. In some cases, leaving it as is and monitoring the situation might be the safest option.
Additional Tips & Questions
What is “tile sizzling� Some homeowners report hearing strange noises from their tiles. This sound often indicates that the tiles are beginning to peel away. If you hear this, it's wise to inspect the area early to avoid potential accidents.
Will tiles fall off? In some cases, tiles near air ducts or vents may become loose due to insufficient expansion joints. Experts suggest adding a layer of lightweight bricks in these areas to prevent future issues. For now, filling the gaps with grout can offer a temporary fix.
Is the door frame tile hollow? Tiles around door frames can sometimes expose the cement underneath. This can lead to loosening, especially if the door is frequently opened and closed. If the problem is severe, consider replacing the tiles to ensure stability.
Can cabinet tiles be replaced? Tiles behind cabinets may seem safe, but if they’re hollow, they could eventually fall. Especially above countertops, where moisture and temperature changes are common, it’s safer to re-tile if the hollow rate exceeds standards.
Understanding tile issues can save you time, money, and potential safety hazards. Whether you're a homeowner or a DIY enthusiast, knowing how to spot and address these problems is essential for long-term satisfaction with your renovation.
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