SQUARE PIPE FLASHING BOOTS ARE QUALITY EPDM VENT PIPE BOOTS DESIGNED TO PROVIDE MAXIMUM OZONE, UV LIGHT AND TEMPERATURE RESISTANCE. FLEXIBLE ALUMINUM BASE WILL ALLOW THE FLASHING TO CONFORM TO ANY METAL ROOF CONFIGURATION. PIPE LOCATION CAN BE CENTERED IN THE FLAT OF THE PANEL OR THE RIB. URETHANE SEALANT & SELF-DRILLING SCREWS COMPLETE THE INSTALLATION.