Ideal Home cautions against using a steam mop on engineered wood floors. Although engineered boards are designed for stability, their layered construction does not make them immune to steam. The experts quoted describe possible discoloration, warping and damage to the surface finish when heat and moisture reach the planks.

Keep Steam Away from Engineered Wood Flooring

Use the floor manufacturer's approved cleaning method instead, removing loose dirt before any permitted lightly damp cleaning. Do not extend a steam cleaner's suitability for a tile surface to an adjacent wood floor. A tool that works well elsewhere in the home can still be unsuitable for this material, particularly when repeated wet-season cleaning increases how often the boards are exposed.

Layered wood can be damaged by the combination of moisture and high temperature.