Roof Vent Pipe Flashing Base Shape Square Base Material Aluminum EPDM Cap/Collar Material EPDM Material Thickness 0.1 in For Roof Angle Not Applicable For Number of Pipes 1 For Maximum Pipe Size 13 in For Minimum Pipe Size 7 in Base Height 6 1/4 in Base Width 18 1/4 in Base Diameter Not Applicable Seal Material Not Applicable Top Opening Open Application Pipe Vents Product Type Roof Flashing UV Protected Yes For Roof Type Corrugated Metal Includes Stainless Steel Gripper