Hello 1234 and thank you for the rating you posted on the Home Depot website. Depending on the installation surface, the Moen Waterhill 14 in. Shower Arm in Brushed Nickel shower arm flange may require a small bead of sealant. The Moen Waterhill 14 in. Shower Arm in Brushed Nickel has been thoughtfully designed, manufactured under strict quality guidelines and is backed by our lifetime limited warranty to the original product purchaser. Our product specialists are available for pre-purchase, installation or warranty assistance. They can be reached at 1-800-289-6636 and are currently available Monday through Friday from 8:00 am – 7:00 pm Eastern Time.