When is it necessary to use a flooring sealer?

Study for the Red Seal Floorcovering Installer Exam. Review with flashcards and multiple choice questions, each question has hints and explanations. Prepare better!

Using a flooring sealer is particularly necessary when installing porous tile materials. Porous materials, such as certain types of natural stone or unglazed ceramic tiles, have the ability to absorb moisture and liquids. Without a proper sealer, these materials can become stained, develop odors, and harbor mold or mildew growth due to moisture intrusion. A flooring sealer creates a barrier that protects the surface from spills and makes maintenance easier by preventing dirt and grime from penetrating the material.

In contrast, hardwood floors may not require sealing in the same way, as they are often pre-finished or can be treated with specific finishes that provide adequate protection. Laminate flooring typically has a protective wear layer factory-applied, which makes additional sealing unnecessary. While high foot traffic areas could benefit from sealers for additional protection, it is not a requirement for all types of flooring. Thus, sealing is most crucial when dealing with porous tile materials to maintain their integrity and longevity.

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