Without enough room for the tile assembly to expand, the tile will pop up or “tent” most times in the middle of the floor. The reason they are so critical is that without them, especially on floors subject to sunlight, most installations which otherwise appear to be well done, will fail. Sadly, they are probably the least used, most misunderstood and yet one of the most important listings in the Tile Council of North America (TCNA) Handbook. “A joint through the tile, mortar, and reinforcing wire down to the substrate.” By integrating these “stress relievers” into the tile assembly, expansion and contraction takes place without compromising its integrity.” In ceramic, porcelain, glass and stone tile installations, they are critical to the success and longevity of the installation.Īccording to the NTCA (National Tile Contractors Association) Reference Manual, an expansion joint is, Tile Installation Expansion Joints Are Critical for Success!Įxpansion joints are also known as Movement Joints or Movement Accommodation Joints. Let us explain why they are so important. If you’re wondering why you need to include expansion joints when installing tile, you’ve come to the right place. Why Do You Need Expansion Joints When Installing Tiles?
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