1. Substandard Construction Quality
During the pool construction phase, the quality of mosaic installation is a critical factor affecting the pool’s lifespan. Improper construction techniques can result in poor adhesion between the mosaics and the substrate; over time—even with constant immersion in water—the mosaics are prone to detaching.
Construction Errors
First, failure to adequately prepare the substrate (e.g., cleaning, leveling, and waterproofing) before laying the mosaics often leads to a weak bond. Additionally, using adhesives that do not meet standards or mixing them in incorrect proportions can compromise the adhesion of the mosaics.
Inappropriate Material Selection
The choice of mosaic material is crucial; low-quality mosaics are more likely to detach when subjected to fluctuations in water temperature or exposure to chemicals. Therefore, using high-quality mosaics and suitable adhesives is essential for ensuring the pool’s integrity and safety.

2. Imbalanced Water Chemistry
Pool water quality directly impacts the lifespan of the mosaics. Water chemistry parameters that fall outside recommended ranges (such as pH levels and chlorine content) can corrode the mosaic surface, leading to detachment.
pH Imbalance
Ideally, pool water pH should be maintained between 7.2 and 7.6. Excessively high or low pH levels can compromise mosaic durability; alkaline water, in particular, can cause mosaics to detach over time.
Chemical Exposure
Chemicals added to the pool—such as disinfectants and water balancers—can erode the mosaics if concentrations are uncontrolled or if the chemicals are applied incorrectly. Prolonged exposure to these substances gradually weakens the bond holding the mosaics in place.
3. Temperature Fluctuations and Physical Factors
Temperature changes within the pool and physical impacts are also significant causes of mosaic detachment.
Temperature Fluctuations
Significant temperature differences—such as high water temperatures in summer followed by a sharp drop in winter—cause mosaics to expand and contract. If these movements exceed certain limits, the mosaics may detach, particularly if adequate expansion joints are not provided. Physical Impact Caused by Human Activity
Activities by swimmers in the pool—or even vigorous movements like diving—can subject the mosaic tiles to physical impact. If the force of these impacts exceeds the tiles’ tolerance limits, detachment may occur.
4. Poor Maintenance and Management
Inadequate management and maintenance of the pool can also lead to mosaic tile detachment.
Insufficient Regular Inspections
Regular maintenance and inspections are essential. Routine checks allow for the early detection of loose or damaged tiles, preventing the need for costly repairs that arise when problems escalate.
Improper Cleaning
Using cleaning agents such as strong acids or alkalis, or employing unsuitable cleaning tools, can damage the mosaic tiles and accelerate detachment. Without proper management, this damage can worsen over time.