This red line is usually created by installing a heat welded, red colored band of the flooring material. It’s a non-vinyl, cost-effective solution including low-contrast color options that work well in the operating theater. Typically, because of the raw materials, rubber has better compression and rebound attributes that lead to a floor that provides better comfort under foot. Sandra... https://telegra.ph/Can-a-piece-of-vinyl-plank-flooring-be-removed-and-reinstalled-09-04