Question: how many times can engineered hardwood be refinished?
Answer: 5 to 1mm wear layer: cannot be sanded and refinished; only recoated with a layer of urethane. 2mm wear layer: can be sanded and refinished 1 to 2 times. 3mm wear layer: can be sanded and refinished 2 to 3 times. 4 to 6 mm wear layer: can be sanded and refinished 3 to 6 times.