Bath, Wall, Quartzite, Alcove, Ceramic Tile, Undermount, Enclosed, Soaking, and Ceramic Tile The vanity, shelving, and finish surrounding the rub are custom; using marine-grade hardwood Ply that has been treated with multiple layers of sealer. An additional layer of Formica veneer has been used to treat the finish around the tub and shelves.  Best Bath Alcove Ceramic Tile Photos from Before & After: A 1954 Midcentury in Portland Is Stunningly Revived