Roof Vent Pipe Flashing Base Shape Round Base Material Aluminum Cap/Collar Material EPDM Material Thickness 0.1 in For Roof Angle Not Applicable For Number of Pipes 4 For Maximum Pipe Size 2 in For Minimum Pipe Size 3/8 in Base Width Not Applicable Base Diameter 14 in Seal Material Not Applicable Top Opening Closed Application Pipe Vents Product Type Roof Flashing UV Protected Yes For Roof Type Flat