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What is efflorescence?

A type of tile adhesive

The white, powdery residue that can appear on tile surfaces due to salt deposits from moisture

Efflorescence refers specifically to the white, powdery residue that can develop on the surface of tiles or masonry as a result of salt deposits carried by moisture. When water seeps through porous materials, it can dissolve soluble salts. As the water evaporates from the surface, these salts are left behind, forming a visible white layer. This phenomenon is particularly common in areas with high humidity or where moisture management is inadequate. Efflorescence does not indicate a failure of the tile material itself, but rather an issue related to moisture control and can affect the aesthetic appeal of tile installations. Proper installation techniques, drainage, and moisture barriers can help prevent efflorescence from occurring.

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A method of tile installation

The process of sealing grout

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