The S400 Roof Extenda brackets provide a secure fixing for installing an additional roof line over an existing building. Ideal for pergolas and carports, the Roof Extenda bracket fixes to the existing rafter and top plate for added strength and comes with a Flashrite seal to ensure a water proof seal on your roof line and prevent any water intrusion. Can be installed through either a metal or tile roof, it is quick and easy to install and includes the top bracket, bottom bracket, locking hex nut and FlashRite weather seal.