What is the purpose of patching or leveling compound in substrate preparation?

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Multiple Choice

What is the purpose of patching or leveling compound in substrate preparation?

Explanation:
Leveling and patching compounds are used to create a flat, even substrate by filling low spots and smoothing out high points so the surface forms a uniform plane for tile installation. A level base is essential for proper adhesion, prevents tile lippage, and reduces the risk of cracks or hollow spots later on. This material is chosen to bridge irregularities and produce a smooth, bondable surface that the tile mortar can reliably grip. It isn’t about increasing tile weight, changing color, or adding texture, which are not the purposes of leveling or patching compounds.

Leveling and patching compounds are used to create a flat, even substrate by filling low spots and smoothing out high points so the surface forms a uniform plane for tile installation. A level base is essential for proper adhesion, prevents tile lippage, and reduces the risk of cracks or hollow spots later on. This material is chosen to bridge irregularities and produce a smooth, bondable surface that the tile mortar can reliably grip. It isn’t about increasing tile weight, changing color, or adding texture, which are not the purposes of leveling or patching compounds.

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