Roof Vent Pipe Boot Base Shape Square Base Material Aluminum Cap/Collar Material EPDM Material Thickness 16 ga For Roof Angle 45 Degrees For Number of Pipes 1 For Maximum Pipe Size 14 in For Minimum Pipe Size 6 3/4 in Base Height 19 1/2 in Base Width 19 1/2 in Seal Material EPDM Top Opening Open Application Pipe Vents Product Type Flashing UV Protected Yes For Roof Type Pitched Standards UPC Roof Pitch Range 12 12