Description. Cover up ugly chips and grooves in your enamel in no time at all instead of replacing the unit. Our Kitchen & Bathroom Touch-up Enamel comes with everything you need to have your sink, toilet or bath looking good as new. An all-in-one kit for quick repairs. Not just for enamel - suitable for porcelain, acrylic, fibreglass and. The cost to re-enamel a bath is usually $350 to $600. Aside from making the tub look updated, the enamel can also be painted in a color of your choice. Cost to Refinish Tub and Tile . Refinishing a bathroom tub and tile costs between $1,000 and $1,200. The ceramic tile refinishing cost can be higher than this, depending on the size and type of.