Is self-leveling compound necessary for every flooring installation?

Self-leveling compound is not necessary for every flooring installation, but it's required when your subfloor has significant height variations that exceed your flooring material's tolerance levels.

Most flooring materials have specific flatness requirements. Hardwood and laminate typically require the subfloor to be flat within 3/16" over 10 feet, while luxury vinyl plank (LVP) is more forgiving at 1/4" over 10 feet. Tile installations demand the strictest tolerances - usually within 1/8" over 10 feet - because any subfloor irregularities will telegraph through and potentially crack the tile.

The decision depends on your current subfloor condition and chosen flooring type. A licensed contractor will use a long straightedge or laser level to measure your subfloor's flatness. If you're installing over concrete that has minor dips and humps, or plywood subfloors with slight height differences between sheets, self-leveling compound creates the smooth, flat surface essential for professional results. Skipping this step when needed often leads to squeaky floors, visible seams, or premature wear.

In Ottawa's housing market, many older homes benefit from floor leveling due to settling and aging subfloors. The cost typically ranges from $2-6 per square foot depending on the severity of the irregularities. While it adds to your project cost, proper subfloor preparation prevents costly callbacks and ensures your new flooring performs as intended.

Your best approach is having a professional assessment before making assumptions about your subfloor condition. What looks flat to the eye often reveals significant variations when properly measured. For a comprehensive evaluation of your subfloor and flooring options, request a quote from Ottawa Floor Install to ensure your project starts with the proper foundation.

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