For installation questions please email us at support@flexonflange.com. We will reply to your email within one business day. You may also call us Mon-Fri 8:30 AM- 6:00 PM CST at (832) 900-9117. (If calling after 6:00 PM CST please leave a message and we will return your call the following business day.) 

For any other product related questions, please fill out the form and a representative will respond shortly.