Can you use a sealant on this product? What sealant is recommended?

All standard Harris Cork floors are prefinished with a UV-cured urethane topcoat. No additional sealant is required or recommended for new floors. Older floors showing the effects of micro-cuts and scratches can have the sheen restored by having the floor professionally screened and recoated with additional urethane.

Harris Cork LVC floors feature a vinyl wear layer and do not require additional sealing or refinishing.