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What is the purpose of using a moisture barrier in tile installation?

To allow water to permeate the tile surface

To prevent moisture from affecting the tile installation

The purpose of using a moisture barrier in tile installation is to prevent moisture from affecting the tile installation. A moisture barrier is a critical component in areas prone to high humidity or water exposure—such as bathrooms, kitchens, and basements. It acts as a protective layer that helps to stop water from penetrating underneath the tiles and reaching the substrate or subfloor.

Without this barrier, moisture can lead to a range of issues such as mold growth, damage to the substrate, and failure of the adhesive, which can compromise the integrity of the entire installation. By effectively blocking moisture, the longevity and performance of the tile installation are enhanced, ensuring that the tiles remain secure and intact over time.

While other options may touch on related aspects, none address the primary function of a moisture barrier as thoroughly as the correct answer.

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To enhance the aesthetic quality of the tiles

To provide additional insulation

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