Hello ERIC and thank you for the feedback you posted on the Home Depot website. Moen takes consumer comments very seriously and we are delighted to have the opportunity to assist you. The flanges are designed to have a tight fit. Our Product Specialists will be delighted to troubleshoot and offer technical support. Please call us at 1-800-289-6636; our Consumer Services Center is available Monday through Friday from 8:00 am – 7:00 pm Eastern Time.