I have a 60 year old house and the original hardwood floors have been covered for at least 25 years and the slats are cupped with the edges of each slat being higher than the center of the slat. What is the best way to sand these floors smooth so that i may put either another layer of hard woods or vinyl slats over the top of these existing floors?
Wood – how do i flatten the hardwood
hardwood
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Best Answer
Worst case scenario: remove the flooring.
Medium damage throughout: Lay down 3/8" plywood over it, first replacing heavily damaged areas.
Every board is slightly cupped: Have it professionally sanded and refinished. Upright floor sanders can be rented but they are not for novices. A random orbit sander would get it done... eventually.