Tile hollowness is one of the most common installation defects faced by contractors and site teams. It occurs when there are air gaps between the tile and the substrate, resulting in a hollow sound when tapped. Left unchecked, this can lead to loosen tiles, cracking, and long-term flooring failure.

For professionals, understanding how to prevent tile hollowness is essential to deliver durable and high-quality finishes that meet client expectations and industry standards.

Before addressing the issue, it’s important to know where it starts. Common causes include:

• Uneven substrate surfaces that prevent proper bonding
• Insufficient adhesive coverage, causing voids under tiles
• Lack of back buttering for large-format tiles
• Premature traffic or impact before full curing
• Uncontrolled environmental conditions during installation

Recognising these factors early allows site teams to plan effective preventive measures.

The foundation of any successful tile installation lies in a stable and properly prepared substrate. Follow these key steps:

• Clean the surface thoroughly — remove dust, oil, paint, or other contaminants.
• Repair and level — fix cracks, holes, and uneven areas to create a smooth surface.
• Check substrate moisture levels — avoid tiling on damp or unstable surfaces.
• Apply primers or bonding agents when required to improve adhesion.

A well-prepared substrate minimizes air entrapment and provides a reliable base for installation.

Installation conditions on-site can make or break a tile project. Professionals should:

• Avoid direct sunlight, strong wind, or high heat during installation.
• Restrict foot traffic on newly installed tiles until adhesive has cured fully.
• Maintain consistent temperature and humidity to prevent uneven curing.
• Protect installed areas from vibration or heavy impact during the curing period.

Controlling environmental conditions ensures consistent bonding and longevity.

Consistent quality assurance is vital to achieving a defect-free installation. Recommended steps include:

• Conduct tapping or pull-off tests to check for hollow spots.
• Keep detailed records of installation conditions and methods.
• Train and supervise installers to maintain consistent workmanship.
• Coordinate closely with suppliers and consultants for product compatibility and site support.

 Ongoing supervision and documentation help maintain professional installation standards.

Conclusion

Tile hollowness can be prevented through strict installation discipline, thorough preparation, and effective on-site management. By focusing on substrate readiness, complete adhesive coverage, and consistent quality control, contractors and designers can deliver installations that stand the test of time.

Kimgres continues to support the professional community with high-quality ceramic tiles engineered for lasting performance — helping you build with confidence, precision, and pride.

Partner with Kimgres for Project Success

At Kimgres, we understand the demands of large-scale and custom tile installations. Our tiles are crafted with durability, consistency, and precision in mind — trusted by architects, interior designers, and contractors across Malaysia and beyond.

Connect with our project team today to explore our tile collections, request samples, or discuss your next project requirements. Let’s achieve quality installations together.