While it is possible to install hardwood flooring directly onto a concrete basement floor by gluing it down, it is recommended that a more durable option, such installing subfloor first, or using engineered wood flooring, is considered. Because a basement is a below-ground-level space, it is susceptible to moisture and leaks making water damage a common problem for basement flooring that is not waterproof.
Engineered wood flooring has the timeless look of hardwood floors, with the added durability of a plywood sub-layer. With engineered wood flooring, a thin layer of real hardwood is positioned on top of a plywood base. This plywood makes the floor structurally sound and prevents moisture from damaging the floor.
Another waterproof flooring option that looks like wood is laminate flooring. Laminate is flooring is easy to install and maintain, and because it's plastic-coated, it comes without the drawbacks of regular wood floors in a basement.
See also: Floor Buying Guide
A basement flood can cause irreparable damage to not only a home and the items within it, but the space that is left behind....
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