Roof Vent Pipe Boot Base Shape Square Base Material Aluminum Cap/Collar Material EPDM Material Thickness 0.3 in For Roof Angle 14 Degrees For Number of Pipes 1 For Maximum Pipe Size 9 in For Minimum Pipe Size 4 in Base Height 14 1/4 in Base Width 14 1/4 in Base Diameter Not Applicable Seal Material Silicone Top Opening Open Application Pipe Vents Product Type Standard Retrofit Master Flash UV Protected Yes For Roof Type Pitched Standards UPC