Most wear layers on today's
engineered hardwood floors vary between .5 to 6mm. A thicker wear layer means your
floor can be sanded and
refinished more often, increasing the lifespan of the
floor. ... 2mm wear layer:
can be sanded and
refinished 1 to 2 times. 3mm wear layer:
can be sanded and
refinished 2 to 3 times.
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