Small Bathroom Crown Molding . Crown molding does not make a room look smaller — in most instances. The molding draws the eye up and asks viewers to take in the details of the environment. Upgrading a bathroom... adding crown molding... elegant lighting from www.pinterest.com Gray bifold master bathroom doors compliment gray crown. Appropriately installed, crown molding uplifts spaces and makes the ceiling look higher. 192019 if your bathroom is larger than most we offer crown molding kits to accomodate bathrooms up to 20×20.