Joint Planning and Expansion Joint Applications for 60x60 cm Single-Layer Terrazzo Tiles in Wide-Span Commercial Areas
In modern architectural projects, especially in large-scale commercial spaces such as airports, shopping malls, and office complexes, application precision is as vital as the choice of flooring. While 60x60x2.4 cm single-layer terrazzo tiles offer aesthetics and durability, they may face structural risks without proper joint planning. This guide discusses application principles in accordance with TS EN 13748-1 standards.
The Importance of Joint Planning in Large-Scale Projects
In wide-span areas, floors are directly affected by building movements, temperature fluctuations, and dynamic loads. For large-format single-layer products like 60x60 cm tiles, a strategic joint plan is essential to tolerate the natural expansion and contraction of the material. Incorrect planning can lead to cracking, buckling, or delamination of the tiles.
Minimum Joint Width and Grout Selection
In single-layer terrazzo applications, the joint spacing between tiles should never be less than 3 mm. In large areas, this gap can be revised to 4-5 mm depending on the project load. Using a flexible (flex) grout ensures that microscopic movements are absorbed, maintaining surface integrity.
Expansion Joint Implementation Principles
Expansion joints are critical points that divide large floors into independent sections to prevent stress accumulation. In commercial areas, it is generally recommended to leave a main expansion joint every 25-36 square meters or every 6 meters.
- Structural Joints: The joints in the floor covering must align perfectly with the main structural dilatation lines of the building.
- Perimeter Joints: A gap of at least 10 mm should be left between the terrazzo tiles and wall bases, column perimeters, or fixed joinery, and these areas should be sealed with appropriate backing rods and sealants.
- Intermediate Expansion Joints: In wide corridors or open offices, flexible transitions should be created using profiles or polyurethane-based sealants.
Technical Standards for 60x60 cm Single-Layer Tiles
Produced according to TS EN 13748-1 standards, single-layer terrazzo tiles offer high abrasion resistance thanks to their homogeneous structure. However, the 2.4 cm thickness provides the highest performance when combined with correct bedding (adhesive layer) and jointing. The double-sided bonding method should be preferred during application to minimize voids under the tile.
Conclusion and Professional Application Recommendations
To preserve the aesthetics of 60x60 cm single-layer terrazzo tiles in your wide-span projects, technical specifications must be strictly followed. Correct expansion joint placement and the use of high-quality consumables extend the life of the space while reducing maintenance costs. Contact our expert teams for detailed technical drawings and project-based solutions.
