Diall White Round edge Self adhesive bath seal trim (L)2500mm. This self-adhesive bath seal is designed to help protect your tiles against moisture and damage and adds a professional finish to your tiling projects, ideal for busy bathrooms!. This smooth white self adhesive bath seal trim is perfect for hiding and protecting the exposed raw edges of tiles. It will provide the perfect finishing touch, giving your tiles a smart and elegant look. Self adhesive bath seal trim by Diall.