In older buildings, original subfloors often exhibit significant irregularities due to building settlement or the degradation of original materials. Cementitious leveling compounds, often self-leveling, are poured over the existing surface to fill depressions and cover voids. These products provide a high-strength, uniform base that is essential for preventing the 'telegraphing' of subfloor imperfections through thin floor coverings like vinyl or luxury vinyl tile. They also stabilize loose or crumbly substrates, providing a chemically compatible surface that promotes uniform adhesive distribution and reliable bonding for the new finish floor system.
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What is the role of cementitious leveling compounds in old buildings?
Cementitious leveling compounds are used in older buildings to rectify uneven, cracked, or sloped subfloors. They create a flat, smooth, and structurally sound surface, ensuring that new flooring materials achieve proper adhesion and long-term performance.