https://bloggerguestpost.com/how-to-protect-your-hardwood-flooring-in-winter/

hardwood flooring is a wood floor that is installed on a wood subfloor. The subflooring may be of any type, and is usually covered by a layer of underlayment such as carpet, felt paper or vinyl sheet. A hardwood floor can be finished with paint, varnish, linseed oil or wax.