What is the primary concern when installing wood flooring over a slab?

The primary concern when installing wood flooring over a slab is moisture control. Concrete slabs can retain moisture, which, if not managed properly, can lead to a variety of problems, such as warping, buckling, and mold development in the wood flooring. When wood is exposed to excessive moisture, it can absorb this moisture and cause expansion, potentially damaging the flooring over time.

To prevent these issues, it is crucial to use moisture barriers, such as vapor retarder membranes, during installation. Proper acclimatization of the wood before installation, as well as ensuring that the concrete is fully cured and any moisture issues are addressed, are key steps in mitigating moisture-related problems. Understanding and managing moisture levels is essential for the durability and longevity of wood flooring installed over concrete slabs.